MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains numerous embedded URLs pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm. These links likely lead to phishing pages or further malware downloads, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://oniceh.ru/uplcv?utm_term=forensic+science+in+tamil
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083d42018218---bemowosorefarunebadil.pdf
- http://foodchemsino.com/d/files/64121606302.pdf
- http://famillespourstarlight.org/clients/a/a9/a9b42c05011d3bb27e7f7ec2ed30324f/File/96417542463.pdf
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ee2e14795---wejewib.pdf
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c1beb18eb43---80339634140.pdf
- http://alibabashipping.com/userfiles/file/lidinelopuwutaroxajabemot.pdf
- https://daleel.global/wp-content/plugins/super-forms/uploads/php/files/lr1hraq4tr651soo2oen8o2emv/zerigapod.pdf
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608187102af93---81416781517.pdf
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16088318fd2f2f---zegisopowimikiru.pdf
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/904642c55c54d2898709d66770c27a59/7625746589.pdf
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/90ff8f7d3574199247f5d724caabcd29/taxuwu.pdf
- https://aduanaldelvalle.com/userfiles/file/99802155076.pdf
- https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a22005a0bc4---fatodobokit.pdf
- https://fullhousetourism.com/UploadFiles/file/20210606020134100.pdf
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/3f4642a31591cdd03992a006e9188dc1/pitiwitapefiloza.pdf
- http://dohertylaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/liniwekesaj.pdf
- http://thegreenlegacykeepers.com/clients/e/e8/e8dc17949b7ef813e9937e453902477f/File/gidipebutux.pdf
- https://vatlieutaphu.com/upload/files/91620781460.pdf
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b2ea06b502e---wepononudo.pdf
- http://calisnt.com/uploads/files/13924255288.pdf
- http://dribblebar.pl/userfiles/file/benajuganovujaluwajarase.pdf
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/d09cd44629c56b216f740362e0896de0/wugoxekujopapawogudewa.pdf
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c65f0d2a69---39461984722.pdf
- https://burgas-remonti.com/userfiles/file/zavukomekareregepatamijej.pdf
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7e13366ca---41073265909.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_off0000dbda.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBDA | 16792 bytes |
font_01_sfnt_off0000f3ec.binab9cbf3554b40e02f8f5e28e904acce8f09f1f577fc44c2ff4fff60943055dc7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3EC | 16880 bytes |
font_02_sfnt_off00011fe3.bina574a55f272b277b996423e313034e9901dc7fe4033e518517856bb41a69c98d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FE3 | 10368 bytes |
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