MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and ClamAV as malicious, specifically as a phishing or trojan delivery mechanism. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 https://laborke.ru/uplcv?utm_term=inshot+app+android
- https://roofmed.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161408c2cd312f---17291807153.pdf
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/cf5f922b78bee626c6720d1dc0985efc/22654273338.pdf
- https://alpinebadmintonacademy.com/ckfinder/userfiles/files/zipopedebavi.pdf
- http://hanhthien.net/uploads/file/ruwodepugokamuxajegomajuz.pdf
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/161444030ddcfa---vupoji.pdf
- http://hzbmsj.net/images/upload/File/rekewazekemajafi.pdf
- http://lynxitservices.com/ckfinder/userfiles/files/15980141683.pdf
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/t4bslik3dk575oinp0lrg1chu0/31849643024.pdf
- http://101-games.ru/images/uploads/files/55248482706.pdf
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141202c1b9c8---37994577607.pdf
- http://tg-focus.ru/userfiles/files/vodaroratogo.pdf
- https://autopits-directo.migrupoq.com/ckfinder/userfiles/files/zasuxukirib.pdf
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614022941e9a8---57311099981.pdf
- http://myhomeinparis.com/userfiles/files/52156179446.pdf
- http://dotykbylinky.sk/_subory/subory/28640939320.pdf
- http://hzqljsj.com/images/upload/File/fiviwe.pdf
- http://mapect.com/upload/fckeditor/file/nugedoga.pdf
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/16143b93ab8493---vujitivabevop.pdf
- https://shturnev.com/files/foFKED/file/44699168445.pdf
- http://swatimishra.in/uploaded_files/userfiles/files/faxaz.pdf
- http://appartenvue.net/appart/upload/images/15277952609.pdf
- https://polandpools.com/contents/files/vodifepo.pdf
- https://tonmathunglan.vn/upload/files/xeneropurigenef.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_off0000edf3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDF3 | 16792 bytes |
font_01_sfnt_off0001060a.bin48f090a3880e4b3163dd35bd5ace0e81b2bf4e17590e20f42547e6d0019bc5d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1060A | 10260 bytes |
font_02_sfnt_off00011cfe.bin8867db4a51eb227dfa7693a49c35d9922cef8c80c6e7014e46007616e3406a45 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CFE | 17240 bytes |
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