MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to potentially compromised or disposable hosting. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL distribution strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://rallyteamwalraven.nl/file/jirawufusujadimizekeb.pdf In PDF document text
- https://digireg.se/upload/rowil.pdfIn PDF document text
- https://dadrarad.ro/userfiles/file/xabiboberawadewofat.pdfIn PDF document text
- http://kino-cosmik.ru/sadm_files/gurusabem.pdfIn PDF document text
- https://jensbrode.de/files/file/fekerobixur.pdfIn PDF document text
- http://bwemfjhjk.friend-match.com/upload/files/6894966924.pdfIn PDF document text
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/82c5c818076b9a5304097e697ea53b7d/jubujefumanabesigekigo.pdfIn PDF document text
- https://drlalashow.com/php/billboard/uploads/file/36000735696.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16135e54883fae---nelifofim.pdfIn PDF document text
- http://www.bc-arman.kz/ckfinder/userfiles/files/zudewo.pdfIn PDF document text
- http://eros-arena.name/eros/userfiles/file/9635415713.pdfIn PDF document text
- http://mp-hd.de/data/aktualnosci_imgs/file/69134021214.pdfIn PDF document text
- http://pphu-joanna.pl/fckpliki/file/21087078845.pdfIn PDF document text
- http://vedepcuaem.com/luutru/files/59541130767.pdfIn PDF document text
- https://mobisteelegypt.net/userfiles/file/23558845036.pdfIn PDF document text
- https://ariaparvaz.com/basefile/ariaparvazcom/files/juwagawefefuxitonijato.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131a4f3bc9df---bakivamubamasepokidaxipu.pdfIn PDF document text
- https://mbbs.hr/files/37029889957.pdfIn PDF document text
- https://sunrise-photon.com/upfiles/editor/files/32630794240.pdfIn PDF document text
- http://cocoon-source-harmonie.fr/public/file/nifaru.pdfIn PDF document text
- https://www.scmsgroup.org/ckfinder/userfiles/files/likoduge.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=planos+de+estructuras+metalicas+para+techos+pdfPDF 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_off0000d619.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD619 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ee2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE2B | 20064 bytes |
SHA-256: 2b0141c23efd5920e7182a021c56267b04625922f1c04dbb4beeb87f536749df |
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font_02_sfnt_off00012135.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12135 | 10984 bytes |
SHA-256: 1c12fdca50238f634b61fab4b25a9d96dcf47a5295132068b839c617c8508add |
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