MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. It contains numerous links to compromised CMS upload storage and disposable hosting, suggesting it's part of a link farm designed to redirect users to malicious sites. The presence of external URIs and the nature of the link farms indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
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 http://terminsk.by/pics/files/71133829848.pdf
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160d3be261b032---natubojijodaravakana.pdf
- http://www.rify.us/cms-uploads/files/2758633744.pdf
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160f8b5f3cef90---gifoxox.pdf
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/93a03cb2706442018b2151aa51f02289/44231277789.pdf
- http://eprdel.cz/userfiles/file/napiguzasolegenebud.pdf
- http://changju-hotel.com/CKEdit/upload/files/75303901894.pdf
- http://dragoniresorts.com/userfiles/28508087088.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a251bb604da---24936363855.pdf
- https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/7f2507a5570c2b15704a3b8eef3be014/bazalomaziwofobe.pdf
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608729a31e312---vatatabakujedowimekalij.pdf
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b0a9273639---71809187423.pdf
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abfd62ee6b4---vefewanavudokasenavipo.pdf
- http://beepost.vn/upload/userfiles/files/11983314515.pdf
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/bebc8a11cda8cd96b139b7a6704ac926/27226336648.pdf
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16082cdc3a7685---4857611971.pdf
- https://greenline.bg/userfiles/file/minojagixob.pdf
- https://bibliothequedesarts.ch/ckfinder/userfiles/files/29268064882.pdf
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/3bafc9807c0a2ec5cce0d62ba2440609/joxugije.pdf
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/c79b1ef6485b5e8b86ee8b70de757e05/dubarolo.pdf
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cfcae667415---wigikezogutonepa.pdf
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/bbe7b322afbc596b648cd684e2db9a96/47545162732.pdf
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16085b28874699---7337314405.pdf
- https://mmszke.hu/files/file/63865799783.pdf
- https://vasutaszeneiskola.hu/ckfinder/userfiles/files/dasekonoruno.pdf
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607807635f7e6---pagataxivirajunazapi.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=curso+excel+udemy+mega
- 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_off0000fe33.bin7106315c235612309ea2057ed3b06c2a2974d7823a940b042640891a4161a40c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE33 | 10768 bytes |
font_01_sfnt_off000116e6.binffcabe50083115cc2a7a2f25e5813ed2f5617019a4a4b675720b7a49579e409a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116E6 | 18240 bytes |
font_02_sfnt_off000145bb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145BB | 16792 bytes |
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