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 and a machine learning classifier as malicious, with ClamAV also detecting it as a phishing trojan. It contains numerous links pointing to compromised WordPress sites, suggesting a phishing or malware distribution campaign. The document body is heavily obfuscated and unreadable, providing no direct content clues.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 https://smidgel.ru/uplcv?utm_term=index+of+one+tree+hill+season+1
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/a26b97fd8cb83d029fbbef5ba8d9e78d/79048202825.pdf
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/ek5k6jmono55fib959l3nc5270/loruwupegavaben.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160716f4868ab6---2148717113.pdf
- http://intproplaw.com/admin/uploads/file/96140304244.pdf
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/vsatutvmeg5jlqg2mk9cghda21/64268882529.pdf
- http://movediary.com/userfiles/file/38439429459.pdf
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16113907758fa2---83981497773.pdf
- http://9meclinic.com/ckfinder/userfiles/files/30125837156.pdf
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088fb92e5930---57358832543.pdf
- http://forglass.sk/userfiles/file/gonozawimumodejeto.pdf
- https://thai-airpark.com/ckfinder/userfiles/files/98187662484.pdf
- http://fosterfreezesantarosa.com/uploads/files/86911319977.pdf
- http://cy2hand.com/userfiles/fubimipumizajuxodujulobi.pdf
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/16085906495aca---kerusoluxowu.pdf
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a3fe05ab0---36740671121.pdf
- https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/23541c97904091012e8a1083e32730a4/wubasimabeporakerupip.pdf
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/18d623902f2894dcf869b68b24432937/gokivivorijipere.pdf
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607607bb39729---37926790060.pdf
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a46612d08d9---40173272945.pdf
- http://www.kingsmen-cmti.com/upload/files/jozivixejibigutonivumafuv.pdf
- https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/c875f405f6b5aff829db569fad60c214/29740790973.pdf
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e6a1474757e---54047415640.pdf
- http://yuha.be/_files/file/88021931144.pdf
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160ae77c2a878b---75718540471.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_off0000fa98.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA98 | 16792 bytes |
font_01_sfnt_off000112af.bin0d53e86a0e319dc7565ade9cc4fb8ce9a66d8f8c40c913158f21762bc89403b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112AF | 10556 bytes |
font_02_sfnt_off00012ab5.binccc2faff5587412b8ddb2ad06d2129a84aac6bf5c9290d8133624b2e7d8e75e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AB5 | 17220 bytes |
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