MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to multiple compromised CMS upload storage locations, suggesting an attempt to distribute further malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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://techson-cctv.com/upload/file/6927747061.pdf
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606d02646022c---voxogesi.pdf
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607b2418d3985---83826899792.pdf
- https://twr1115.net/files/fckeditor/file/21385677013.pdf
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8da3ab0c8b---ruviwudinofotela.pdf
- http://internationalnetworksolutions.net/files/musotivufa.pdf
- https://aartipalette.com/userfiles/file/89104640760.pdf
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/6eed78ad230c295e121aca59836661c2/29426095078.pdf
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f0adcd22fe---mafopum.pdf
- http://daotaonhaccong.com/uploads/userfiles/file/sawetowuma.pdf
- https://thuaphatlaihoanghuy.com/uploads/files/80682440651.pdf
- https://aawyx.com/sites/default/imageuser/file/77781331218.pdf
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/01dace8880e9e97bba1569eaa0b446c7/82217161933.pdf
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/fcf3195a46367927c73672548d0a9fd2/xibofugibuler.pdf
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/d209ebf19e956eac98b3ff336855b2de/beboxejipigozomemufozug.pdf
- https://www.alarisusallc.com/wp-content/plugins/super-forms/uploads/php/files/fdcea085da8c7c2ff8aff236d585ae03/wugurasazowu.pdf
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4334fc2fc9---wefumiwus.pdf
- https://loctra.net/userfiles/file/kudofoxamelajara.pdf
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ea17d5641f---71409071970.pdf
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/f6b61cc552c2a07fc37f3ece0fbbcbaf/kofureju.pdf
- https://aplusadvance.com/naver_editor/data/file/81438676473.pdf
- http://waltwhitmanclassof1965.com/clients/c/cc/ccbfa8a87e297cd67510599b8aebcb74/File/69590670937.pdf
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/623a1eec0364ca5acd8ca77c0b68da7f/kubijewuvamonagowafa.pdf
- https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/6ntfahbk3crv6eriocrlc38g2i/tekoz.pdf
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/0843616fddb9060e8d95e9999cb77477/vototagajumaxekege.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c1sc11dgjbv49ffq01rg5pqb27/81834507304.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=verb+worksheet+for+class+1
- 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_off0000bf38.bind2da33581afa9dc9046b711e4b68551ca60abfdb5611ae0b802b411f75d0f59e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF38 | 15088 bytes |
font_01_sfnt_off0000e595.bin0a85ea487494eed96c121e9c14fa76be0273bb4d70695c75fd808b43c0f83749 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE595 | 10576 bytes |
font_02_sfnt_off0000fe11.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE11 | 16792 bytes |
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