MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It functions as a link farm, directing users to multiple compromised WordPress sites. These sites host further PDF files, suggesting a chain of redirection or a distribution network for malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/c9ffaf0f2669e66f620da900aacfd778/77340485301.pdf
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/0ff4990dc12daa2d36750c3bb55fe5df/jekipawemabo.pdf
- https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/0088fe8ad9f812b14ca19339c04796ca/6921499219.pdf
- https://aeternoplanning.com/ckfinder/userfiles/files/guvaxixegedewamaziga.pdf
- https://tatsolarlight.com/uploads/files/34626624280.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/4cacb21eef7e778668eca2406aa3d7df/82007827077.pdf
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d5e6c1ed8b5---18923610371.pdf
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/p1ef288kio2iulphl9s4a30bq4/58362446039.pdf
- https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/d2e7e0a62636f94dbd65c689f6e014c3/femuzojinoxutasugebefag.pdf
- http://www.awakohchang.com/image/upload/File/8416143622.pdf
- http://hopkinshigh1966.com/clients/1/10/1054c114374c88b4a165e91103565d41/File/nasuxugawanesaveja.pdf
- https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/b1cbeab052523022cbc860468079ac4c/91647779005.pdf
- http://ya-ke.cn/admin/upload/xizipavekefulorusadipo.pdf
- http://americanpetrochemicals.com/customers/CMS-IMAGES/file/sitib.pdf
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acbce7c960a---xurexejajib.pdf
- https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160766645937aa---90421116006.pdf
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/96mtu5a8nhsg99pc3e6r455qfa/wezanorigonutumuwovusuz.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/0d60e33c93dd1f3e40f8f61e8246b04c/20273950513.pdf
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606c69c6c6ed5---85683381342.pdf
- http://paulbwatkinslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bifojufogogivuzafolig.pdf
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160856620b6ad7---wexijutulapod.pdf
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c91fb4c5316---42330920464.pdf
- https://33mobility.net/uploads/files/pedugigikavi.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=nifty+50+index+today+live
- 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_off0000e6f3.bin988d4ab8622f022daa4a008006a7d2c9b7889b3ee8a92eadf6627b1555182f8c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6F3 | 10592 bytes |
font_01_sfnt_off0000ff50.binbf188ceb666934164af90dad54c0fa3a38324a91605e8ee356b425d996f9cd39 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF50 | 17220 bytes |
font_02_sfnt_off00012cce.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CCE | 16792 bytes |
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