MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, pointing to multiple compromised or disposable hosting sites, likely to distribute malicious content or phish users. The embedded URLs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly suggest this is the primary attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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 https://gcr.goldcrownresort.com/magazine_files/files/47981368225.pdf
- http://x-site.by/upload/editor/files/zixovamo.pdf
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16131b6f35654f---venupiniketokevajaw.pdf
- http://beijingteye.com/upload/files/97442509289.pdf
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613365c997f58---juvoponulojikepukebogu.pdf
- http://makesomenoise.hu/upload/file/dokatusomitedin.pdf
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161392670afed2---27691909562.pdf
- http://s13cf5ef.alojamientovirtual.com/ropadefutbolbarata/userfiles/file/94842733296.pdf
- http://surausa.com/uploads/files/8430815926.pdf
- https://digbijoynath.in/uploads/userfiles/files/11752407908.pdf
- http://lokalsport.no/userfiles/file/52555321232.pdf
- http://lhdrum.com/User_File/UpFile/file/20210906035944_ODUwNjMzNTgzMA==.pdf
- http://internet-trade.eu/UserFiles/file/4636176467.pdf
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161309a450ab58---nenudanemowedaxo.pdf
- http://thaisomboonautopart.com/userfiles/files/44614282835.pdf
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/bd866b720690ed52196a17e79e44615b/16660343897.pdf
- http://dambi.pl/userfiles/file/65442606775.pdf
- https://stopserv.ru/files/file/8751333313.pdf
- https://seo-methodes.com/userfiles/file/95177806535.pdf
- https://implantsdentairesdesmoulins.com/upload/editor/file/71371608457.pdf
- https://am-system.eu/ckfinder/userfiles/files/16752024816.pdf
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613515d65a885---malakidamuzu.pdf
- http://manuale.aziendasulweb.it/userfiles/files/sipixasamisupumudepozop.pdf
- https://home-consult.lu/userfiles/files/64440892505.pdf
- http://klusjesindex.nl/images/uploads/71341297123.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=dropbox+f%C3%BCr+android+tablet
- 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_off0000bcfe.bin3dfc63eb32f0f1ea52559c93e75e15481c36d7355d2879d84001f172444ddaec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCFE | 10756 bytes |
font_01_sfnt_off0000d57c.binc25db15791e3a69151036be136ef55195e31c69a85cf850292c328cb90c30a0a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD57C | 18076 bytes |
font_02_sfnt_off00010340.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10340 | 16792 bytes |
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