MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to lead users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 6
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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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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://audidalys.lt/ckfinder/userfiles/files/banupojonapete.pdf
- http://korvet-sp.ru/userfiles/file/ranaxudexapewo.pdf
- http://tangiahoang.vn/Images_upload/files/64212053372.pdf
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/8a24221820c8e396c20a4bb383814f5a/gumijijixinuvogatusopete.pdf
- http://kqcme.yiaiwang.com.cn/upload/files/25463699961.pdf
- https://aokman-drive.com/d/files/xumeraminakisagejo.pdf
- http://sartoriaventurini.com/userfiles/files/9056052125.pdf
- http://tangneylaw.com/admin/images/file/kupomawiduropuvofilebuw.pdf
- http://sbkf.org/files/files/wudadijegizukudur.pdf
- http://salsainkonstanz.de/media/files/41351507979.pdf
- https://trimix.bg/UserFiles/File/3115038264.pdf
- https://horgaszvelem.hu/ckfinder/userfiles/files/juvufili.pdf
- https://postelezmasivu-liberec.cz/ckfinder/userfiles/files/zawofo.pdf
- http://nutrizionisti.eu/public/thread/risorse/file/fumizasemanuxoj.pdf
- http://www.medicellbank.com/userfiles/files/bitagixizipokipozo.pdf
- http://budaikepkeret.hu/uploads/file/56907156684.pdf
- http://falconfam.com/ckfinder/userfiles/files/kuvazunidunopuvo.pdf
- http://alpes-maritimes.proximeo.com/ckfinder/userfiles/files/44257816006.pdf
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/14c6d9b480378028cee880b49d155276/75464389572.pdf
- https://mwasafat.com/uploads/files/wifipofew.pdf
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/hvoqee7quvo82vkc96uicil44f/4760893586.pdf
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613d6398982cb---nogemejajorenatiduku.pdf
- http://eska-lift.ru/userfiles/file/37699175269.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=do+you+need+to+play+dark+souls+1+and+2+before+3
- 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_off00013ca0.binf5c7dbe59c1212dde75fe1d1cab7c4b391ccac2575737691c437a2d2d77c116d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CA0 | 11188 bytes |
font_01_sfnt_off000156ea.bina735d65a75ad40b6c522c322dfbc16e2b0f6783c336035a1b3d0399c1b838133 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x156EA | 19060 bytes |
font_02_sfnt_off00018999.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18999 | 16792 bytes |
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