MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised websites, suggesting an attempt to distribute malicious files. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of numerous PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this, as these are common tactics for hosting and distributing malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 https://dongcohonda.com/userfiles/file/roladesurogozozefa.pdf In PDF document text
- http://primaneighbors.com/userimages/12936750235.pdfIn PDF document text
- http://turatabor.hu/media/zomujozowonunisuvube.pdfIn PDF document text
- http://africa-emergence2019.com/userfiles/file/66675054527.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5d72d7a59---55682526679.pdfIn PDF document text
- http://amphorabeautyclub.com/campannas/file/94139953328.pdfIn PDF document text
- https://xn--90ah6akb9e.xn--p1ai/f/file/2350270726.pdfIn PDF document text
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/6f9859a7999f589034845addc0fbc48e/narazedaxekemebolerixewu.pdfIn PDF document text
- https://perfecthospital.org/ckfinder/userfiles/files/12102009021.pdfIn PDF document text
- http://colorfulmedia.de/fotki/fotki/file/terarepewisimi.pdfIn PDF document text
- https://avvocatoboretti.it/file/vusofupoginibekota.pdfIn PDF document text
- http://sintjorisparochie.nl/userfiles/file/79763512143.pdfIn PDF document text
- http://argyler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607593af09949---93443846372.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610124659d687---ravejemeni.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bbcaa4ea9a5---49306901339.pdfIn PDF document text
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/36be81f49287c00325d1b20567fe6f05/zogepukazozepalutenuzokux.pdfIn PDF document text
- https://ceccarbotosani.ro/userfiles/file/wemoxixitowu.pdfIn PDF document text
- https://deesudcoolingtower.com/userfiles/file/40368932392.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/4e8495c1298b925de499307c98764563/jakibobotebarupiweg.pdfIn PDF document text
- http://gagutp.com/sa_upload/userfiles/file/20210721073147.pdfIn PDF document text
- https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/e98acf52075940978f536cb75e89ae2d/kukefuginojuxuzojewowo.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/vj4uhu0hsgsou5psmdanr7uj57/delefemimurajekowibozejot.pdfIn PDF document text
- http://bmhs1963.com/clients/7/72/7286fd37811b7a5dece6e69924e4d5ab/File/25166309977.pdfIn PDF document text
- https://cafesca.mx/ckfinder/userfiles/files/66377322486.pdfIn PDF document text
- http://synhbio.com/upload/files/39783196665.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ac7c1b19416---bejunodikiwedobun.pdfIn PDF document text
- http://bitree.net/ckfinder/userfiles/files/70070000853.pdfIn PDF document text
- https://businessincasey.com.au/application/third_party/ckfinder/userfiles/files/gugizaxejabisi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=dragon+ball+z+budokai+tenkaichi+3+ps2+mods+downloadPDF 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_off0000e2e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2E7 | 11732 bytes |
SHA-256: 2f313ea42e5de71b97cf06a7bdc74300e99966d1dca637f2c27dbd66b70e075d |
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font_01_sfnt_off0000fe72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE72 | 18012 bytes |
SHA-256: ccc217ba9fdca795761edabdd827a910855b22c51e9af362fcf1e74993a5bf05 |
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font_02_sfnt_off00012d57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D57 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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