MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, containing numerous URLs that point to various websites, including those hosted on compromised WordPress installations. The presence of 'utm_term' parameters in some URLs suggests an attempt to track user engagement with potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://huntic.ru/uplcv?utm_term=aws+certified+solutions+architect+study+guide+associate+saa-c02+exam+pdf+download
- http://equipociclistaugeraga.com/ciclistas/userfiles/file/vififufisos.pdf
- https://europartner2.pl/uploads/jikubomodufevodegebisu.pdf
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/7990i30jhktfo1me0kivp3p971/28458451713.pdf
- http://tokyo-sanritsu.com/userfiles/file/33063180403.pdf
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/1622e49c0123b772856f1c143fd81653/95444848798.pdf
- http://teusz.pl/UserFiles/file/pejavowuvasuvexulokubi.pdf
- https://zahnersatz.pl/userfiles/files/12563313752.pdf
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/ec69f95e608509a0686428c11cf74b6c/vomerisigujexitaf.pdf
- https://chungcungoaigiao.vnpec.xyz/uploads/files/korasaridakaf.pdf
- http://vinhthuan.com/upload/files/29164538559.pdf
- http://www.wiz-fac.com/uploadImg/file/vexuwakakumisafikum.pdf
- https://opsclown.it/ckfinder/userfiles/files/wisopikigetenijixagujena.pdf
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/06601477db1b5500e5be88a1f7c9681c/wajavolevexajozolalem.pdf
- https://ruh-center.ru/userfiles/file/xiwifiwavokaduzumuw.pdf
- https://pasarangroup2.com/contents//files/82421411856.pdf
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b6b698d8b68---gifavasowiped.pdf
- http://divapharma.com/uploaded/file/16747284136.pdf
- http://sivam.pl/files/file/81582855847.pdf
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160969aa71acd7---15885225629.pdf
- http://ipea.kr/userData/board/file/32622012634.pdf
- http://tauzetaques.com/clients/1/1b/1b95303171b4519794d6fee637ef680e/File/97786313194.pdf
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160fa49a9087e9---zuzapomozufozazix.pdf
- https://walkandsmile.com/userfiles/file/53164700707.pdf
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/16071eed55f6e5---53378122372.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000105dc.bin680e586a1ee573e661d30ea0f7a97a8805d5b79b2e3d5282e6cd27ea8e1e9edb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105DC | 16632 bytes |
font_01_sfnt_off00011cf1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CF1 | 16792 bytes |
font_02_sfnt_off00013503.bin438a38789b5c7d5927298ecf655a1ec62bf21af3d22e0899ef9d0ea88209b108 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13503 | 17188 bytes |
font_03_sfnt_off0001617c.bin5a0746d8d7fea74c9aa8b0acae91e7179dcb004d0821e46c19d5be6c615afc4e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1617C | 11728 bytes |
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