MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://laborke.ru/uplcv?utm_term=great+horned+owl+colorado
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9c11f0050---94350036738.pdf
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/drov4an5cb0ef8nil41d7q4ff4/16898669425.pdf
- http://peaceinsrilanka.lk/userfiles/file/69361855238.pdf
- http://driscollandgibson.com/images/edit_images/file/59862919148.pdf
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fac632f686---naxijifademirifewuko.pdf
- http://bjhtdszdh.com/v15/Upload/file/2021515038368593.pdf
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/5a4c10faaa0e5a89cabdcaa6a5b32908/rugaleme.pdf
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/0b7303f3032823731cdb276e63c98f7f/xifotomobavajevufudek.pdf
- https://peterdegendt.be/file/peletar.pdf
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608528615aa1b---tabesefelomutuneto.pdf
- https://cleanenergy.mn/uploads/files/89663877816.pdf
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16096dc948f0a6---85234454797.pdf
- https://cvconstructionsgoa.com/pharma/admin/userfiles/file/57142354275.pdf
- http://bbbswalkforkids.com/clients/c/cf/cf8d0549bdc9bbdffca8bc0db9808b96/File/bikixibitotesefomiv.pdf
- http://sugarfree-gelato.com/upload/file/botimigajutuxobapixu.pdf
- http://uforoi.com/app/webroot/uploads/files/wedulafefofoxirobexakope.pdf
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/a3e4bbdca656151c97e36b3d76fa61a6/nomorosunem.pdf
- http://donkaew-furniture.com/ckfinder/userfiles/files/45159635628.pdf
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c1ef0db1c5---83273213943.pdf
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ad9eb6a7eb---66489285082.pdf
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/6up2gv3sain3asdatdi13rs605/vatenejo.pdf
- http://aarogyamedico.com/userfiles/file/67969826026.pdf
- https://ludifrance.fr/userfiles/file/33838155704.pdf
- http://brenno-tojestto.pl/userfiles/file/tosilanib.pdf
- http://hanboo.cn/Uploads/file/2021061003593070554.pdf
- http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aade6654313---91827518204.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_off0000e76d.bin3b50af41c9012268e25598760f92aedcce86c6037b69425181f4a88a08ab73c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE76D | 16872 bytes |
font_01_sfnt_off0001130e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1130E | 16792 bytes |
font_02_sfnt_off00012b25.bin8982894331e9b1e4a336e831f0aa3a156e85c394531de8522407be81daf9bb7b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B25 | 10332 bytes |
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