MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads and disposable hosting domains, indicating a link farm designed to redirect users. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. The primary attack pattern involves luring users to click on these links, potentially leading to further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://hydrem.ru/images/file/44297838014.pdf
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160bac54795d6a---kuxivebided.pdf
- http://lawrence-spruill.com/clients/42275/File/24896255249.pdf
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a2c926b070f---porikoge.pdf
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/0582d35aaef8a5efdf0ae31020facce9/gopofurufabomej.pdf
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607793f919614---37178969023.pdf
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ab273ee5353---vipawamisenemidexugodareg.pdf
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/aebsabaoa4l47l59u00clq0tfs/narusakijekareje.pdf
- http://www.startbatteries.gr/ckeditor/ckfinder/userfiles/files/94709505713.pdf
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/f219fd106ae907f706043146a7553fb9/27326604404.pdf
- http://moonlightmontessori.com/upload/files/xazev.pdf
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acba770049f---54716708692.pdf
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609137ecde1b9---teresatobevisenepej.pdf
- http://manavpublicschool.org/manav/userfiles/file/jalugudasonafuwad.pdf
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b6833fbf7b9---96022857802.pdf
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611fe9684c562---57014185655.pdf
- https://x-software.cz/data/file/buxukesekifud.pdf
- https://readandenjoy.ae/userfiles/files/rezinikopomedeme.pdf
- https://iwanbim.com/userfiles/files/nojosabadegasedupovad.pdf
- http://qunjl.com/userfiles/files/ratidalutumunodonirupatum.pdf
- http://stlnsk.ru/uploads/file/79828701958.pdf
- http://beauty214.com/uploads/files/202108310648271339.pdf
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/1611e7aa10fc25---87868105195.pdf
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612e9e8b4b0a3---jazikujakipej.pdf
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/06a37e4fa63a79a507e231fd69e4b3ff/xoxon.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=unseen+passages+for+class+2+pdf
- 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_off0000deac.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEAC | 16792 bytes |
font_01_sfnt_off0000f6be.binf0f6aed0642c69cc312d1ed9b9a732962af14a6b6e678d08281eb9b313e46a34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6BE | 16832 bytes |
font_02_sfnt_off00012284.bin5558c651997da5b466b6653ff47b22de06f8ffd02474ab6109e0334164f98b1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12284 | 10732 bytes |
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