MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised websites, identified by heuristics as a link farm on disposable hosting. ClamAV and ML classifiers strongly indicate malicious intent, specifically a phishing trojan. The embedded URLs suggest the primary goal is to redirect the user to potentially malicious content hosted on these compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d7ae3c6025---mekuxopujogutavivaf.pdf
- http://kingswaytyres.com/project/kingsway/uploads/file/funijogaxusudoris.pdf
- http://healingtown.org/userData/board/file/66328667603.pdf
- http://gomientrung.vn/uploads/image/files/73985350504.pdf
- http://villabrown.it/userfiles/files/19183257867.pdf
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/fm8ij9tucqa2vfnv1sua3quef0/34415029738.pdf
- http://zsdbiopharm.com/upload/files/86652404629.pdf
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16139973e5745c---jagefuwufev.pdf
- http://cathugo-yachts.de/res/wysiwyg/file/48365026644.pdf
- https://illustrations.noche.fr/images/files/93918620896.pdf
- http://ijfbn.com/editor_up/pufewasovorejaxet.pdf
- https://channeloflove.com/ckfinder/userfiles/files/97452504896.pdf
- http://swiftnb.com/ckfinder/userfiles/files/56646041986.pdf
- http://xn--b1amishc2fb.xn--p1ai/ckfinder/userfiles/files/79211965622.pdf
- https://tonwen.org/userfiles/file/67632777298.pdf
- https://auto826.com/uploads/files/gijogusigeratasisesuru.pdf
- http://malir-naterac.info/UserFiles/File/ditapagenuketaxuzog.pdf
- http://airelimpio.mx/img/editor/file/kukogapoxubokege.pdf
- https://sma-dfgg.org/site/admin/file/gejizugepabejavi.pdf
- http://shepardinteriordesign.com/rw/upload/file/92096804740.pdf
- https://stallion-international.com/userfiles/file/27496610735.pdf
- http://cancunday.com/travela/img/files/62946848588.pdf
- http://seosanhrd.com/userfiles/file/ralisameraxijelesixe.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=best+app+to+make+android+look+like+iphone
- 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_off0000b1aa.bin2735020e3990a4e84d7733b764ce5c5c2224f1f15e2ab4172623164d4ee010c3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1AA | 15012 bytes |
font_01_sfnt_off0000d742.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD742 | 16792 bytes |
font_02_sfnt_off0000ef59.bined9e2db99d13c83949c04e9a9313613501e004f26677c5e095e332199c3cc74c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF59 | 10800 bytes |
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