MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The critical heuristic 'SE_SECRET_RECOVERY_LURE' indicates the document's primary purpose is to solicit sensitive recovery information from the user. Numerous URLs pointing to compromised WordPress sites and disposable hosting were extracted, suggesting a link farm used for distribution or hosting of malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9601
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Recovery secret / private key request critical SE_SECRET_RECOVERY_LUREDocument requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adc499b1420---8021833379.pdf In PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607672e9c573a---62834137307.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608f40ff4c32a---59377305793.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/4b426fe264032a83a33571dba3787ab2/42291005783.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/79462821253.pdfIn PDF document text
- http://sunrui-ti.com/d/files/51164513455.pdfIn PDF document text
- https://pet-fashion.ro/mm/file/gigenoxafudaxoxenefiwaro.pdfIn PDF document text
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160bb5a4d1989d---bitanuje.pdfIn PDF document text
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/a8cae03026b5693c4461dbed80fd2c23/47503912574.pdfIn PDF document text
- http://www.buildingmalawi.com/images/uploaded/documents/puraligimol.pdfIn PDF document text
- https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/q7d2bvt94n1fr8uk9e3s85oh5r/17209242222.pdfIn PDF document text
- https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/1a3c3t90ejls2fj8qruu10jtf2/fuvepobopilejewojadis.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16088efebc0f74---nebotuvidunivob.pdfIn PDF document text
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608b88b3d2c71---98525265969.pdfIn PDF document text
- http://hevolta.com/upload/file/pimilot.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c4ed14efbcb---dozefamunevazubuz.pdfIn PDF document text
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/3c1n32q1aqlv47gakho7q7gf37/firaxulipet.pdfIn PDF document text
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e97586f661---85381428668.pdfIn PDF document text
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5b8c18fe7---lujebegizotomokixowogefa.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1609bb7e542362---64948113956.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160c49905e77cd---wazuve.pdfIn PDF document text
- http://samafb.org/uploadfilefiles/milumusizosorobenelida.pdfIn PDF document text
- http://clinicaveterinariabilancino.it/userfiles/files/kowubitapiwonugup.pdfIn PDF document text
- https://dla-pracownika.pl/pliki_user/File/64534001415.pdfIn PDF document text
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/737a296a09813f64c0dd790efeedd57d/78651656731.pdfIn PDF document text
- http://nct-vn.com/userfiles/file/balixasav.pdfIn PDF document text
- http://www.urbanwaterways.info/files/gudebadisuwi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=pairing+based+cryptographyPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00018bd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18BD6 | 11004 bytes |
SHA-256: 3db335a939ec7caef161e5206b21296240ad9eaedd1e37ca945f5c5337e885cb |
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font_01_sfnt_off0001a4f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A4F8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001bcd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BCD5 | 1284 bytes |
SHA-256: 3f2eb68e56e0cc9b24f861ad510cb196f24dbc520975aefba06cb0b93c7ac786 |
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font_03_sfnt_off0001c431.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C431 | 20836 bytes |
SHA-256: 45bb67425a3c6c4b029a3847821eda29308c7e08b2b0e05ff27f53edd8a9265c |
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font_04_sfnt_off0001fc2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1FC2B | 16276 bytes |
SHA-256: 4cd70d5d09da42112440e5e2a5e9fec59a5048417d78f39fa7e26cc122b9263b |
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