MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing or trojan. It contains numerous embedded URLs that point to various domains, many of which appear to be compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this. No scripts were extracted, but the overall structure and URL distribution indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://crysiq.ru/uplcv?utm_term=the+walking+dead+road+to+survival+mod PDF link annotation
- http://honghuibio.com/d/files/gidatiwuworodato.pdfIn PDF document text
- https://n-tlg.com/files/file/nawitewoma.pdfIn PDF document text
- http://ediljolli.com/userfiles/files/70069327536.pdfIn PDF document text
- https://inprovituruguay.com/ckfinder/userfiles/files/wofuvutaludifigon.pdfIn PDF document text
- http://group-anons.ru/userfiles/files/luziradonasisexu.pdfIn PDF document text
- http://vip-cond.ru/userfiles/file/gukigijof.pdfIn PDF document text
- http://automozg.by/upload/editor/files/37221232134.pdfIn PDF document text
- https://adrfarysz.pl/userfiles/file/9400212231.pdfIn PDF document text
- http://lammensfilip.be/uploads/files/nojufafozolewipu.pdfIn PDF document text
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/a2c497a64b097f38b8e5fb3df7556a52/72782156756.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613b9a1aa11da---gizitetibinalidukulopu.pdfIn PDF document text
- http://businessnavigator.in/ckeditor/uploads/files/tukabuna.pdfIn PDF document text
- https://learningsolution.ca/userfiles/files/80923375786.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16139228d3a591---pesilekeweg.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/161478681959c6---39193573243.pdfIn PDF document text
- https://rosebankprimary.co.za/inc/ckfinder/userfiles/files/mutova.pdfIn PDF document text
- http://ville-dammarie.com/ckfinder/userfiles/files/31066447529.pdfIn PDF document text
- http://yearbookplus.com/uploads/ckfinder/files/41388076762.pdfIn PDF document text
- http://aftckwt.com/uploads/file/72672111424.pdfIn PDF document text
- https://ht-cooling-j3t.com/contents/files/32825550523.pdfIn PDF document text
- https://iqmuseum.mn/uploads/files/5696091536.pdfIn PDF document text
- http://jysfh.com/upload_fck/file/2021-9-13/20210913045603560942.pdfIn PDF document text
- https://worldcastlive.com/userfiles/file/golojovejuzet.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613659a479963---12693296040.pdfIn PDF document text
- http://xn--djr00fsyfv0o5qgy9u.net/filespath/files/20210922153252.pdfIn 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://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_off0000dfd0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFD0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f7e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7E7 | 11004 bytes |
SHA-256: 964d8d70301af426f3041e3444dde043eb4fb6513d4480405342b63e6065c792 |
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font_02_sfnt_off00011122.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11122 | 18896 bytes |
SHA-256: 7b29ebccc5f3a3593cbd91d331638923139abb69b5e7d086816465eb82e5e7bd |
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