MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised or disposable hosting domains, characteristic of a link farm used for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or delivering a secondary payload. The document body is unreadable, but the heuristic firings and URL analysis are sufficient to assess the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b0e0da049d---dirugukox.pdf In PDF document text
- http://dzirerealtors.com/uploads/somoxamikizovelamufet.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16131c2bae4631---55410348587.pdfIn PDF document text
- https://hw-power.com/uploads/ckfiles/files/613a6ab6b8acd.pdfIn PDF document text
- http://xn--80aaa1acmiejxr6d7fg.xn--p1ai/data/files/wugivefukunutedimiruk.pdfIn PDF document text
- http://vizugy.hu/uploads/files/99494814075.pdfIn PDF document text
- http://quaretti.it/userfiles/files/lofisipop.pdfIn PDF document text
- http://prompol.com/media/file/xafibutegupa.pdfIn PDF document text
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/362f2dcbab67e0ba8809fb8ab0ef763b/vujejoxutubewagemad.pdfIn PDF document text
- https://egca.fr/userfiles/file/xusavipasosalelilir.pdfIn PDF document text
- https://quanghuydulich.vn/img_duhoc/files/75863277763.pdfIn PDF document text
- http://lica-mpt.it/userfiles/files/tadabasoduz.pdfIn PDF document text
- https://mobisteelegypt.net/userfiles/file/53588514348.pdfIn PDF document text
- http://veterina-naslunci.cz/userfiles/file/94578759335.pdfIn PDF document text
- https://www.mftelhas.com.br/adm/Editor/ckfinder/userfiles/files/xobaxaxiziwubutilujixe.pdfIn PDF document text
- http://speckletrack.com/update/editor/file/88395963565.pdfIn PDF document text
- http://meubelenindex.nl/images/uploads/6361429885.pdfIn PDF document text
- http://apart1day.ru/file/terilijasarupitofojoj.pdfIn PDF document text
- http://hophungvietnam.com/app/webroot/uploads/files/fekunonisudubepezewitew.pdfIn PDF document text
- http://homeopathyhongkong.cn/files/degiru.pdfIn PDF document text
- http://logiccpacma.com/ckfinder/userfiles/files/rizivifuwetobon.pdfIn PDF document text
- http://addisonplaza.abwingsmd.com/uploads/files/dakogutefaxiraxefe.pdfIn PDF document text
- https://oferta.lt/i/File/12423687942.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=keyword+difficulty+checker+seoPDF 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_off0000e791.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE791 | 18060 bytes |
SHA-256: b0207deb2c6c282c6053305ab306cea847635f17260818f9f0d65b384a5444dd |
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font_01_sfnt_off00011679.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11679 | 10692 bytes |
SHA-256: b0cc9be841289052cf95d384bfd635ee08c685f987c533c962fe8a85f681d4be |
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font_02_sfnt_off00012f34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F34 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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