MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to lure users into downloading malicious content. The presence of a 'download button' heuristic further supports this malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://holmeslawfirm-iowa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lesupunixer.pdf
- https://vegas-shop.net/uploads/files/duluga.pdf
- https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/32ca5073f904f8356fdbe8edaff21977/xelorobixofamaxavonemabag.pdf
- https://chief-moving.com/editor_upload/file/25087140435.pdf
- http://patrick-vallot.com/upload/files/62879077911.pdf
- http://satisfytech.com/ck/upload/files/44331768803.pdf
- https://cedria.es/DOCUMENTS/FotosFCKEditor/file/5634882546.pdf
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b4a3d62d75a---88044527459.pdf
- https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/b0d4f3b58604f5ec9589f2391eb5e189/dametilizenafopapavu.pdf
- http://asea-admin.com/_userfiles/file/20210505222045.pdf
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609aa34b4da7c---gamakatesozekizu.pdf
- https://binarbaid.com/public_html/userfiles/file/maditaxakiremolekaga.pdf
- http://limoride.net/gallery/file/40216072582.pdf
- http://vietkinggroup.com/uploads/userfiles/file/87540411939.pdf
- http://madonnina.info/userfiles/files/88651337441.pdf
- https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b6e4d3792d4c0ad4ea266e3e01c8fb36/jexarujajatakidaboxi.pdf
- http://arc-en-cielproduce.com/ckfinder/userfiles/files/jezugiv.pdf
- https://mountmoriahcamp.com/media/71999286885.pdf
- http://sorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/46320344764.pdf
- http://inlovehuahin.com/file_media/file_image/file/86958988639.pdf
- http://www.nena-artspace.com/ckfinder/userfiles/files/pisutugerariruwajekobo.pdf
- http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/jurakimabegebokamo.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=iso+10628+pdf+free+download
- 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_off0000c471.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC471 | 16792 bytes |
font_01_sfnt_off0000dc83.bin81b857d49d6a68b3c9562277f60523111dd9b8b945855319c085d4fb3f00ef08 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC83 | 17624 bytes |
font_02_sfnt_off00010ab1.binfcac7dc2d9b7d70bd39371a19b2b6da6dfffd58107b505fcefd537673cb43ab5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AB1 | 11008 bytes |
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