MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of malware. The file contains numerous external links, some pointing to compromised CMS uploads, suggesting it's part of a link farm designed to redirect users to malicious content. The presence of a 'download button' lure further supports a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://drafthe.ru/uplcv?utm_term=gta+sa+not+opening+android
- https://vidaleve.net/ckfinder/userfiles/files/84826526937.pdf
- http://www.alcera.ca/userfiles/file/27637471586.pdf
- http://mediedil.eu/userfiles/files/38983088693.pdf
- http://scandirent-new.ru/uploads/assets/file/nikulu.pdf
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613da2246d841---19324117413.pdf
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/3f275fbe67b943484fb2e1abf2da4662/57349181897.pdf
- http://donghobaoan.com/uploads/files/15470359694.pdf
- http://varosom.hu/userfiles/files/paratukibemele.pdf
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/f1ae1dce233ad27fb910a838c861db82/31911803046.pdf
- http://lasfyy.com/uploadfile/file/20210911234858704.pdf
- https://mannoorpally.com/uploads/file/jasamepasakexudilibukowam.pdf
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e9a22f960---jagofizasavirew.pdf
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/25d3553ff62d11124bf0f5035f62844f/xekujil.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/d4edc4941fe125d2909143bcdab64662/69023811079.pdf
- https://nhatngudongkinh.com/upload/ckupload/files/kafutuxiwakizazebapido.pdf
- http://mimarkamilozkartal.com/userfiles/files/nuxuguvuxamuvi.pdf
- https://southwestlooms.com/admin/userfiles/files/21294430263.pdf
- http://atreve.eu/ubezpiecz/obrazy/file/miguf.pdf
- http://catherine-massage.com/ckfinder/userfiles/files/dugajawuferajanaguloxi.pdf
- http://szkolka-wiercioch.pl/files/file/53554370093.pdf
- https://botroul.be/uploads/31083179081.pdf
- http://home-hj.com/up_photo/file/68643789165.pdf
- http://art-lan.ru/uploads/assets/file/23139130052.pdf
- http://bloodfaces.de/attachment/file/galivevifexagotidukixe.pdf
- http://advocaatindex.nl/images/uploads/wasejitavorixikugapolina.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000db31.binb5c4b8b6c1d37571aa00344c23505b2c1bed895ff79bf6118b7d47e57730381e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB31 | 17964 bytes |
font_01_sfnt_off00010a81.bin55094422cf1ac4307734cf1f790022d79af2f5cf0ee4865072b1b97a4c4f5bdc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A81 | 10560 bytes |
font_02_sfnt_off0001228d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1228D | 16792 bytes |
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