MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous links to compromised WordPress sites, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though partially garbled, appears to be a lure related to health symptoms, likely to encourage users to click the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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 https://ketchas.ru/uplcv?utm_term=cu%25C3%25A1les+son+los+s%25C3%25ADntomas+cuando+se+te+baja+la+az%25C3%25BAcar PDF link annotation
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/7vh2g87lu8son9hvvsqpbk9ob1/tefalamuz.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/cf3d2275fcb314923ac1bea1907ec394/48073671836.pdfIn PDF document text
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/rhuq8uhefcvbn4mmfve100g5mm/xipuvirokote.pdfIn PDF document text
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609ac100c163d---kemukitamejamesirisibade.pdfIn PDF document text
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0b140e098---kifojaj.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/3feupi74odch9ahles1tl96408/zazajadamijuserutujawo.pdfIn PDF document text
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/51bb661c9e6c6ecea4ed5c776b84a6ba/64634102149.pdfIn PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/9dd443b4f0490671255fe44bf664f5ed/xixemagiguvon.pdfIn PDF document text
- https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/0amgjjg89bdv7b5kecg472d6e7/59433224263.pdfIn PDF document text
- https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/tcbm5g3up401159lbdv2dkngct/58617394395.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/bb49e9c6e774bbabcecd096b4a58c49c/75880718696.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fd80d16476cb978967e961aea66dfee8/talaz.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/museto.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/cde4637425ef8daa07d6568d59d117b6/59490237173.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d414.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD414 | 5660 bytes |
SHA-256: 0610a8307ead2ddb2403ce15f34f47610180fa5b68bd242ae5b73d6a9ee5063e |
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font_01_sfnt_off0000e66f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE66F | 10960 bytes |
SHA-256: 51990a989eed7013b2d156a2505d511bad9a157f608165e04b1f0ccf086864b9 |
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