MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains numerous external URIs and link farms hosted on disposable or compromised domains, indicating a malicious intent to redirect users. The ML classifier and ClamAV detection strongly suggest this PDF is a phishing or malware delivery mechanism. The presence of a 'download button' heuristic further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://coretry.ru/uplcv?utm_term=stress+them+booter
- http://xn--e42bt3l.net/upfile/files/wematofapuj.pdf
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608987d1729ad---dagopabalimugajawevu.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/16073a615346f8---devakifedi.pdf
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/gr8ua91dc8c5mho6l31s13nku5/figesoresefipaliwitagol.pdf
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160a8c841d50ac---sarebejamitob.pdf
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bef950302b2---51880742042.pdf
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/9f8505c72ef7239e5917f491cff86f88/detaga.pdf
- https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/1665651c81a3156748c4d1f80a32c9ba/40964394147.pdf
- https://securityguardsupply.org/php/uploads/file/kebukizoxenufujugedekako.pdf
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/732a34de474e08751cb33ecab24a1877/bokanitape.pdf
- https://summit-christian-academy.org/scauserfiles/files/28097435884.pdf
- http://ajarnveerapong.com/UserFiles/file/37069207010.pdf
- http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/jobetotelulolonenujewu.pdf
- http://sonkertrail.org/clients/9/92/9260a3c387aed4615f72c72c3a1da295/File/nigeronilemuvenodidunozi.pdf
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/160907ef04f6b9---vosapenatujukapaf.pdf
- http://boxshop.mn/userfiles/files/vizukil.pdf
- http://axwelindia.com/uploads/duroxiwojetuw.pdf
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/1d1c3691f59f8e83575384e7126c3481/1308234355.pdf
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/fa045cc7831ca257f58b0503d8b4ca74/36217914681.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b2a0e70be8---19054507700.pdf
- https://miaousland.fr/ckfinder/userfiles/files/47464459640.pdf
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b17b0755893---dobanaxivawosovik.pdf
- http://officinedesign.it/userfiles/files/31879462013.pdf
- https://ceral.pl/ceral/pliki/file/lutaxujoru.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_off0000eca1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECA1 | 16792 bytes |
font_01_sfnt_off000104b8.bin64c697d18a1a02f5dc3c7bc7d6969b377fc2066b250aa521b65176788dd05173 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104B8 | 10184 bytes |
font_02_sfnt_off00011b84.bin096a0f566ecf005a6294e7e8693e0537efe4bf0f27f7e29bcd00a9eaf8d52437 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B84 | 17608 bytes |
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