MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple potentially compromised websites. The presence of numerous unknown URLs suggests an attempt to distribute malicious content or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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 http://aygroupmuh.com/image/files/9020807883.pdf In PDF document text
- https://cingenito.ca/upload/editor/file/lilapexuzobosoxi.pdfIn PDF document text
- https://ciela13.leaddeehub.com/userfiles/files/50717648235.pdfIn PDF document text
- https://camelcarpet.org/d/files/75310893792.pdfIn PDF document text
- http://paglialonga.it/userfiles/files/54923975267.pdfIn PDF document text
- http://facilitymanagementassociates.com/survey/userfiles/files/10240973692.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/161470fad7b3ea---84786167039.pdfIn PDF document text
- https://eseninternational.com/uploads/files/32408057632.pdfIn PDF document text
- http://chelseafoodmart.com/uploads/files/fudiso.pdfIn PDF document text
- https://getracemirates.com/userfiles/files/36018360089.pdfIn PDF document text
- http://yenidenyuzlendirme.com/ckfinder/userfiles/files/mesuwupejawuri.pdfIn PDF document text
- https://alwaysthesame.pt/site/upload/file/fejipemi.pdfIn PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f872b2c925---34742659524.pdfIn PDF document text
- http://fli.edu.mn/ckfinder/userfiles/files/ranogijofanuzudenatume.pdfIn PDF document text
- http://opuspointpartner.com/ckfinder/userfiles/files/nujowidupip.pdfIn PDF document text
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/ac1fec7ca2f2a026c43b83d6678987ee/xelakinukapamiba.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/4ca97d7c74ae740900bc22b5c99b9f77/luwifamawefutu.pdfIn PDF document text
- http://hunicorn.hu/userfiles/file/kuvagesefugusoxanudide.pdfIn PDF document text
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/b138125cc6725a14af70b89c4b817369/46687010449.pdfIn PDF document text
- http://addisonplaza.abwingsmd.com/uploads/files/44633709014.pdfIn PDF document text
- http://xindeshiye.com/uploadfile/file///2021092518231139.pdfIn PDF document text
- https://mepho.hu/ckfinder/userfiles/files/36759712091.pdfIn PDF document text
- http://sinching.com/uploadpic/files/202109030922009726.pdfIn PDF document text
- https://kolorubursztynu.kolorubursztynu.pl/web/uploads/files/70312370190.pdfIn PDF document text
- http://mkbeauty.vn/luutru/files/jizilozisupakoxerogukuvaf.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=gta+san+mobilePDF link annotation
- 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_off0000b109.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB109 | 10348 bytes |
SHA-256: 3b9a8c134af1bd75165a4cb6b11e68a7436933db2e72267dbe75c529044e1484 |
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font_01_sfnt_off0000c866.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC866 | 15192 bytes |
SHA-256: baf181923901d76c049a84ac89cd5d8cd99fdfd8a154741e9f569826625f3676 |
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font_02_sfnt_off0000eeb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEB3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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