MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically highlights the non-clustered link farm nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16104b7bfeb896---najimowixo.pdf In PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f1ad823d10b---wusabezimadudadesomebalag.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/5e2ff6c0ff730e4b2ee38f991d664c61/bojokazalomog.pdfIn PDF document text
- http://corse.annuaire-regional.com/ckfinder/userfiles/files/zabapini.pdfIn PDF document text
- https://repetitorebi.ge/userfiles/files/17284805758.pdfIn PDF document text
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/1f4d3c3196840ec3cb13e377e40cb1fb/nopikanotonolomin.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/e121b957f9c473768f308d0c9eb8c660/latixig.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/059vdo30g5n6il20kmi6bjnu6j/46397297194.pdfIn PDF document text
- http://xn----0tbbbfo0f.xn--p1ai/userfiles/file/82693435478.pdfIn PDF document text
- http://thedewakohchang.com/image/upload/File/0403286293.pdfIn PDF document text
- http://abacusnancy.com/userfiles/file/rizifet.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609853cf78c51---2210669131.pdfIn PDF document text
- https://www.vbclighting.com/wp-content/plugins/super-forms/uploads/php/files/e40fb0bf62702c1f9b208949faf2c3a0/zariruvutuvoneguv.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611901ac6b786---xaxarisavomigesejof.pdfIn PDF document text
- https://greffedecheveux.center/upload/ckfinder/files/fiwegagumejopabidofoto.pdfIn PDF document text
- http://scamps.biz/userfiles/file/sifepapinedesixinimudumip.pdfIn PDF document text
- https://go2germany.ru/files/file/tusekenununa.pdfIn PDF document text
- http://woorymart.com/userData/board/file/79579916586.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf9450c9343---vamenomikaruvonewa.pdfIn PDF document text
- http://hitecds.com/userfiles/file/51995344168.pdfIn PDF document text
- http://vekosgroup.ru/userfiles/file/fowiderobatikate.pdfIn PDF document text
- http://www.irrv.org/uploads/files/rukorabuvoganuna.pdfIn PDF document text
- https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/be4a6soj21jnlputcfobaf2oni/55549039730.pdfIn PDF document text
- https://villadorottya.hu/uploads/frontend/files/dedusodatulorapakomafosi.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a9fe79e5c49---bibibowabonufe.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=roomba+980+service+manualPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e461.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE461 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fc73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC73 | 17076 bytes |
SHA-256: 2ff3c62916ba6a86659d8937148c6e535ad6bf64cf3bc6be0faa76139b810b4d |
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font_02_sfnt_off00012863.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12863 | 11140 bytes |
SHA-256: 977f336709834d63d1f11e13e9c93e585312529690c7874b71405f09720a7355 |
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