MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected by ClamAV as Pdf.Phishing.Trojan and an ML classifier flagged it with high confidence. Heuristics indicate it functions as a link farm, pointing to compromised WordPress upload storage and other disposable hosting. The embedded URLs suggest a phishing or malware distribution attempt, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://www.biogreeno.com/cms/ckfinder/userfiles/files/35252947611.pdf
- http://geotersrl.it/file/81825465823.pdf
- http://aybar-gallery.com/userfiles/files/kuxenirimodomiditen.pdf
- http://madurastones.com/userfiles/file/69190307608.pdf
- https://pikhospital.com/ck_uploads/uploads/files/28004609027.pdf
- http://digitalqwerty.com/ckfinder/userfiles/files/54217981675.pdf
- https://muzeumkonstancina.pl/attachments/file/35853749953.pdf
- http://erodiertechnik-wenzel.de/userfiles/file/zemuzi.pdf
- http://rbc-bezorgdiensten.nl/upload/rezewekamakapiwexafo.pdf
- https://jin-hung.com/userfiles/file/bivaxosi.pdf
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/161340383b1085---jijokukew.pdf
- https://classconnbio.com/img-jacson/files/58128060807.pdf
- http://zeci.nl/im/image/subawupelapotubagujojox.pdf
- http://begues.mobi/userfiles/file/sagulefufe.pdf
- http://status.cz/UserFiles/File/nosixoki.pdf
- http://ikhmongol.mn/ckfinder/userfiles/files/81409643673.pdf
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/161428fec1e8dd---45496897782.pdf
- https://suacuachuyennghiep.com/uploads/files/golomelitatuk.pdf
- https://www.gpaci.org.br/cms/ckfinder/userfiles/files/31998338240.pdf
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/161306586e6fae---zejabigifowapami.pdf
- http://paramountswimwear.com/userfiles/files/96944224414.pdf
- http://ainut.fi/userfiles/file/bisulejinazil.pdf
- https://leise.ru/admin/ckfinder/userfiles/files/dudagawabobojudiguta.pdf
- https://alasclub.gr/neuro/ckfinder/userfiles/files/kodisekixaxak.pdf
- http://rucodelniza.ru/userfiles/file/44898336451.pdf
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/161305b7eabfd8---43769624128.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=delete+snapchat+filter
- 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_off0000d9fd.bine785b79286dc1319cef09df3497e844393884c399828430e95bd80403139347f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9FD | 17800 bytes |
font_01_sfnt_off00010787.bin6fc89e5090dbbde37cc81d483846291dcb9711da8126b7f6e7eec9f3aaef8fe2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10787 | 10456 bytes |
font_02_sfnt_off00011f3b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F3B | 16792 bytes |
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