MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous embedded URLs pointing to various domains, many of which are hosted on compromised CMS platforms or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URI heuristics and the PDF_SEO_DISPOSABLE_LINK_FARM rule further support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://oniceh.ru/uplcv?utm_term=bully+apk+data+mod PDF link annotation
- http://studiotecnicoforace.eu/userfiles/files/zezaxawasebat.pdfIn PDF document text
- http://dpholding.ru/uploads/files/nutezubudazom.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/161360450119b3---88114035582.pdfIn PDF document text
- http://qdjshg.com/files/file/luritidosubidizuzipatubu.pdfIn PDF document text
- https://gbagencement.fr/uploads/file/11475948950.pdfIn PDF document text
- http://hagelkonzept.de/userfiles/file/1363331414.pdfIn PDF document text
- https://korovin.org/site/img_ufiles/tomoxifunu.pdfIn PDF document text
- http://arenabilardo.com/data/_files/kabitoladawixokozup.pdfIn PDF document text
- http://agrocare.hu/ckfinder/userfiles/files/kafopuladedamegug.pdfIn PDF document text
- http://cu-mbc.com/ckfinder/userfiles/files/16780668018.pdfIn PDF document text
- http://pkpneu.cz/userfiles/file/jusameburefufiwuraga.pdfIn PDF document text
- http://ahlhy.com/uploads/file/082315511788.pdfIn PDF document text
- https://cortemadera.com/wysiwygfiles/file/duzirobanuxonunipuwejo.pdfIn PDF document text
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/16146f938527e3---75474629677.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141107697f7f---sujalerewevatazum.pdfIn PDF document text
- http://giustizianuova.it/userfiles/file/vipodoxowoxagaxetamoseja.pdfIn PDF document text
- https://chungcungoaigiao.vnpec.xyz/uploads/files/44045853110.pdfIn PDF document text
- https://careersourcechipola.com/files/public/gawelanexula.pdfIn PDF document text
- http://sovaimm.it/userfiles/files/70898196060.pdfIn PDF document text
- http://ijfbn.com/editor_up/vinugidapisexodesagipijub.pdfIn PDF document text
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/16144585608659---15889830957.pdfIn PDF document text
- http://jerseybankruptcylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/22148419089.pdfIn PDF document text
- http://studiodebiaggi.eu/userfiles/files/fonupotorideta.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_off0000c9b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9B7 | 17292 bytes |
SHA-256: 498d3e9532fcf10bcebecb5c401323d3dd028407b63c7d6c790e2117e3d9cd75 |
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font_01_sfnt_off0000f6d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6D1 | 10316 bytes |
SHA-256: 69f97533ff1956cfeecf4874093d5ed9902ca035aee13c6c8198ef1a3c986705 |
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font_02_sfnt_off00010e29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E29 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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