MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to compromised CMS upload directories, suggesting a link farm designed to host or redirect to malicious content. While no scripts were explicitly extracted, the nature of the links and the detection indicate a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/uci2c4p2nn094k1s2pld7rpbg0/51556213347.pdf
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/0e31knddmukrpju0od4e14ak26/68265662759.pdf
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160995d4a71757---59090641294.pdf
- http://195exim.com/datas/files/22110168213.pdf
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/16092e7eb7f81e---65873791257.pdf
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160806ccc40a2c---2922969154.pdf
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160acbaf373d58---jijufalowonemavuvoxijela.pdf
- http://ottotech.center/userfiles/file/muwulesoni.pdf
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/25c1b3c62301e3e92ba1c26c9e75ecbe/jibuk.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/5de37143802760757454cf7106125379/dawosin.pdf
- http://premium-h.info/files/files/bakuzakaxogudavevuraf.pdf
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608e3382a8894---funegazemubisigosimapofej.pdf
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/b7819e91e435936a1b8e136b473f73bc/8941190706.pdf
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/1d32315d404bfbef0cdd752fa0cb7e37/pibigejetirazepub.pdf
- http://bycongroup.com/UserFiles/file/dapagadilowadiza.pdf
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/77cee2505d3a86c5bef64d8f43a2b9b7/26179839732.pdf
- https://prestinieurope.com/userfiles/files/44730903381.pdf
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/9nj74cbm51m6di6h4luim2738f/6825827388.pdf
- https://manualismedicina.hu/fileok/file/wijuzaxukaxapivumo.pdf
- http://easternsheep.by/app/upload/file/97359969387.pdf
- http://fxmeat.com/upload/file/cc18b42650bfbf389e86930bdd8dee26.pdf
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/708bmcphs27dlgip8o0kaud4ev/20860784438.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1d25015c6a.pdf
- https://cosmopolitanhotelbg.com/uploads/wysiwyg/files/98136398985.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609d7c885c92d---49422180037.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=complement+meaning+in+gujarati
- 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_off0000e8b6.bin043aef4af1e5b58f17ea0c1e50b7c8173d9ea1cc606b975b2d77a3a956a88795 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8B6 | 19604 bytes |
font_01_sfnt_off00011be6.bind104e87274fad6e6bb4739483518f1a3d9f69024d65875b49be9fffc2a05f3c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BE6 | 10688 bytes |
font_02_sfnt_off00013450.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13450 | 16792 bytes |
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