MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of 'utm_term' parameters in some URLs indicates a potential phishing or SEO manipulation tactic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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=filosofia+classica+pdf PDF link annotation
- http://mu-rrrc.com/userfiles/file/tijuje.pdfIn PDF document text
- http://pileshoppen.dk/userfiles/file/xoputapinus.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078daeeabb89---6531677648.pdfIn PDF document text
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081915883871---rogodirozoxibe.pdfIn PDF document text
- http://cl-pub.com/files/files/wuruwozolonivagov.pdfIn PDF document text
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/b4482f415da4aa038da0a3d2c9cff6fa/24629178763.pdfIn PDF document text
- https://ntwbearing.com/UserFiles/File/wubibusuwokugutajupabe.pdfIn PDF document text
- http://xn--80aafbladvtgxneccoge3bt.xn--p1ai/pict/file/67196223504.pdfIn PDF document text
- http://patrick-vallot.com/upload/files/weteropefopelami.pdfIn PDF document text
- http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/78160494053.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1611d73be74340---66847567050.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa42d0a15e---fuwixinilel.pdfIn PDF document text
- https://ryokanclub.com/FileData/ckfinder/files/20210814_A25E99D64BD397A8.pdfIn PDF document text
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e575f4c2eb---gexuvaruwogulisizizu.pdfIn PDF document text
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a91a91971b7---24344574641.pdfIn PDF document text
- http://infinijewelry.com/userfiles/file/buwenija.pdfIn PDF document text
- http://idealthailand.com/file_media/file_image/file/49519519262.pdfIn PDF document text
- http://thecountryclub32055.com/userimages/13346988534.pdfIn PDF document text
- http://viral-list-machine.com/ckfinder/userfiles/publics/files/lataboxaxavo.pdfIn PDF document text
- http://noithatsah.com/webroot/img/files/32972268562.pdfIn PDF document text
- https://pachetedeturism.ro/images/files/34577482507.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000db75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB75 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f387.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF387 | 19320 bytes |
SHA-256: 36af00f843eaf806df1cec5833bcb0c0f3af481a8c2e054bc6f04107bba885c3 |
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font_02_sfnt_off00012665.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12665 | 10156 bytes |
SHA-256: 7dd475ed3bdc9a51e75f2e8a227d79c8de180b37d7afbe60d54fb2d0937bd96f |
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