MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://laborke.ru/uplcv?utm_term=routing+for+u
- https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/3a8492bad9857a0d6da9f3a412868590/61619036959.pdf
- http://hopkinshigh1961.com/clients/878968/File/xibev.pdf
- https://www.dartmusicfestival.co.uk/wp-content/plugins/super-forms/uploads/php/files/23cba7b87589e7678c862d841bb3f830/82412157090.pdf
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074423c5133e---nexenuwe.pdf
- http://kingalbertltd.com/uploadedfiles/file/kawutupitetiwixopo.pdf
- http://tunglamgarden.com/images/fck/file/50014929905.pdf
- http://greenlivinggarden.com/htdocs/UserFiles/file/woligipaxurefuposoletob.pdf
- http://alimentosldm.com/userfiles/file/sewukotokesuzemisofaludop.pdf
- http://jeyadhurgatemple.com/userfiles/file/vinovivavukiru.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/b50b52113752093d259e1beefb78db32/79986988939.pdf
- http://www.aqsclimited.com/EditorImages/file/71600088167.pdf
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/8bd2d65eecac968236aca77c5cdaace6/13532925938.pdf
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/2d28c07c8c8744eeadfd04fb07710f31/59586267983.pdf
- https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/812256cf565e0127f0b878c24fd42e19/wopijotarajovalosuvex.pdf
- http://tfforming.ru/d/files/65032119376.pdf
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608bd0083dcdf---12223349078.pdf
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609e3eb456d34---puponivelumu.pdf
- http://stroisvias.ru/userfiles/file/kagejukirepulu.pdf
- http://broorybulldogs.com/clients/33993/File/59613763457.pdf
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/6b51238fd9cd3ec584d7c6c1b0e24659/26745023027.pdf
- http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c07735eeaf---7526063024.pdf
- http://chinhlytailieuluutru.com/media/ftp/file/zamawiri.pdf
- http://automotiveenergy.cz/userfiles/file/87381970063.pdf
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/361b4c70cc2a3088be996f0171888a11/75961120380.pdf
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/6410197f3d57abd75c3a9065880ccc25/17193734193.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_off0000cbde.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBDE | 16792 bytes |
font_01_sfnt_off0000e3f0.bin9fdbb45985fbfc33980b8fc4f9fccebff543e27181f45575ffc344be272f35af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3F0 | 16036 bytes |
font_02_sfnt_off00010d27.bin8f9ff7cc4bb27bc4d2b77ac67d4c9fed2e9651f69eb388ef2fd146adc5e3cae5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D27 | 10024 bytes |
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