MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate maliciousness. The PDF contains numerous URLs, many pointing to compromised websites or disposable hosting, suggesting a link farm designed to redirect users to phishing or malware sites. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this. No scripts were extracted, but the overall structure points to a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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 https://krisoc.ru/uplcv?utm_term=warhammer+40k+orks+codex+pdf+download PDF link annotation
- http://feuerwehrobrigheim.de/upload/files/64271821163.pdfIn PDF document text
- https://medsplus.us/admin/images/file/12703953311.pdfIn PDF document text
- https://couvreur-hautdoubs.fr/internet_new/images_et_fichiers//file/42351344211.pdfIn PDF document text
- https://nbtele.com/en/cache/fck_files/file/34930487096.pdfIn PDF document text
- http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089305650316---9806162618.pdfIn PDF document text
- http://hk-dcc.com/wp-content/plugins/super-forms/uploads/php/files/k06304322ch5vksdsl4jm1ubhb/zojaru.pdfIn PDF document text
- http://ngnjl.com/userfiles/files/60305125101.pdfIn PDF document text
- http://accessibilite-salle-eau.com/ckfinder/userfiles/files/90550259338.pdfIn PDF document text
- https://medosojewellery.com/userfiles/files/27568681417.pdfIn PDF document text
- http://laboratoriodiprogettazione-ve.it/userfiles/files/rulosaxoradep.pdfIn PDF document text
- http://minutemen-jrotc.com/clients/84940/File/gesudobexuxopilu.pdfIn PDF document text
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084089ab2f9d---timixajideve.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/2ceaffd39f4de204fe60912873947102/webosakelipadirubikapuko.pdfIn PDF document text
- http://jfkanacon.org/data/userfiles/files/keluvozejuk.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f9e7cf6b424---delujakejapa.pdfIn PDF document text
- http://ladyvenus.it/userfiles/files/misix.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160836ae9a93a2---motazajosupukawexukezib.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160fbbf8e40189---jivanumevasijuji.pdfIn PDF document text
- http://transgusto.ch/userfiles/file/didiwurakumizoviwuzebixo.pdfIn PDF document text
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed8b070d9c---wodubagasaxibimiluzewoku.pdfIn PDF document text
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/e52juudt18h9ok3bhjdmiq8ern/jixugadetitaxodew.pdfIn PDF document text
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/49ffe3c757fb9ebbec68d8798693c80c/migatobilewar.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087bb6966eaa---39510367315.pdfIn PDF document text
- http://bamila.vn/luutru/files/25042930819.pdfIn PDF document text
- http://hondatayho.vn/images/ckeditor/files/tujifinav.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_off00011ebc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EBC | 11168 bytes |
SHA-256: aba8fe65f702a93c4e9b442cb9e4740e830f1514f8a6379921f961904120f710 |
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font_01_sfnt_off000138bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138BD | 18548 bytes |
SHA-256: 60d824c7728735cf70e03c4e66bb1a059a2f211ec38a55237d48cc9c520ba061 |
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font_02_sfnt_off000168eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x168EB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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