MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the PDF acts as a link farm, pointing to multiple compromised or disposable hosting sites, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest the primary purpose is to redirect users to external malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://hagelkonzept.com/userfiles/file/93392278437.pdf
- http://polishingmarblefloor.it/userfiles/files/jufovive.pdf
- http://dezmaster.com/userfiles/file/70885733070.pdf
- https://fotobolfestmeny.hu/mvc/userfiles/file/zobabifukakanozo.pdf
- http://bibrka-school.org.ua/ckfinder/userfiles/files/ruviwerukekofovobutopi.pdf
- http://matrix-corporation.com/upfiles/editor/files/11770699883.pdf
- https://weborder.cloud/userfiles/file///telupa.pdf
- http://royal-pizza.eu/files/file/zomilugen.pdf
- http://www.ettermanenterprises.com/ckfinder/userfiles/files/zejaxuvexedizezefol.pdf
- https://onsale.social-push.cc/data/fckeditor/files/23792118063.pdf
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16139e95a679c2---29641998049.pdf
- http://aedjtjdshbf.pretty-match.com/upload/files/mufotoganezulozemedet.pdf
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/1613924fc3261f---37926178124.pdf
- http://accronline.com/userfiles/file/87857065211.pdf
- http://robwalker.net/fckupload/file/16199900069.pdf
- https://juniorclublivorno.com/sitonews/images_upload/files/87875990231.pdf
- http://wo-kop.pl/userfiles/file/fativubusemotisulizowev.pdf
- http://suurelepa.ee/data/file/23276264735.pdf
- http://goldmustang.com/files/files/17312386460.pdf
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613175087ab6c---giwuvabuzumobikexerexe.pdf
- http://winkeleninzundert.nl/uploadimages/files/8052518656.pdf
- http://aurastaffing.es/upload/file/39111602666.pdf
- https://concurs-euclid.ro/upload/fck/89304957740.pdf
- https://godahoian.com/app/webroot/upload/files/lapupig.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=android+driver+appium
- 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_off0000cd09.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD09 | 16792 bytes |
font_01_sfnt_off0000e51b.bin47aa828829c290ba6332d15fb2e4d9a6b7952351abf5b7140510d508448533d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE51B | 16732 bytes |
font_02_sfnt_off00011087.bin19a12c691455930584eeae1739de0426d91366f481ab0e592efc01f4d81a334c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11087 | 10388 bytes |
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