MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as a link farm, with many URLs pointing to compromised WordPress sites. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing trojan. The embedded URLs are designed to lure users to potentially malicious content or downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1926c59ef---lobevifemerutesivusil.pdf
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db2653d1519---70585715904.pdf
- http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa96e3d7fce---jiwifuzadologelezewafe.pdf
- https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080f2f6c1abe---vulovibefadivanazel.pdf
- https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/bf5baed1b145cbd991be007fe456a74b/70734234412.pdf
- http://kolkandkolkdesign.com/site/data/ws/files/vuxanitokituribitojag.pdf
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f39421a97f---gegurodesirivakidewug.pdf
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/bc11a2fd96dbe8f80e5a5d4f1c063127/49380626099.pdf
- https://topjobsnepal.com/ckfinder/userfiles/files/rodakumu.pdf
- https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/40bf5a5db0965314be9a5be278814ac2/27068584902.pdf
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083c0803ec10---14772815723.pdf
- http://moristas.com/userfiles/files/2665803368.pdf
- https://healthmatters.me/userfiles/file/tajefop.pdf
- http://crackershrimp.com/file_media/file_image/file/wavexo.pdf
- https://vegan-eshop.cz/data/file/jekasoluwuzogopowolez.pdf
- https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/32ea641c292fa8ecaa6b7257b1c4b5f2/dujepuko.pdf
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/7588ef4e9f55f4550b889d0f28997e99/pagozudamuxejuxi.pdf
- http://shqinze.net/admin/upimg/file///bikadilimaputegok.pdf
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/cb10215b9dd78b0f84122e9af899c497/vuzifediwu.pdf
- http://blackshirts1961.com/clients/7/71/7137ee3fbd99c17d296746b31d66a47b/File/95316385087.pdf
- http://z-i-f.ru/userfiles/file/16196811058.pdf
- http://charivne.info/images/file/10318506386.pdf
- https://erdenetpost.mn/userfiles/files/detol.pdf
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e24775c25ef---24751814213.pdf
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd5da5c623a---zapexisuregavowolokawowiw.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=the+carbon+cycle+crossword+puzzle+answer+key
- 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_off0000fd48.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD48 | 16792 bytes |
font_01_sfnt_off0001155a.binfb41d2b23681a74ddb49cb25fb994f4c9aa25b1bf71dd6bd1931e9efa838179d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1155A | 17508 bytes |
font_02_sfnt_off0001427f.bin38d81e535943184b2f65d3aac4d776d5444cf6804e6c064bb7e789f9728fc191 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1427F | 10976 bytes |
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