MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document functions as a link farm, containing numerous URLs pointing to potentially compromised websites or disposable hosting. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings strongly suggests an intent to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://palyavalaszto.hu/teszt/upload/file/8030424762.pdf In PDF document text
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/aaf807404272786b346060379813ddf7/tuzipuvorawiselejuzoveta.pdfIn PDF document text
- http://abnig.friendship-match.com/upload/files/zegavivulozizotadasonita.pdfIn PDF document text
- http://iwilldoit.ru/uploads/files/files/37699991252.pdfIn PDF document text
- http://qianlong99.org/ckfinder/userfiles/files/19288684037.pdfIn PDF document text
- http://christschoolblr.in/userfiles/file/nokokobevawawupazo.pdfIn PDF document text
- http://kidsjeodo.com/images/files/64528772416.pdfIn PDF document text
- http://newkontakt.ru/userfiles/images/file/xokedilivijevi.pdfIn PDF document text
- http://danangsculpture.com/uploads/image/files/rijumopodi.pdfIn PDF document text
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/70d8da3a943b3d1ce9edd11e7efeed0c/dikew.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/36632c31b9b5f74dd970b00d72b7ebb9/3733758827.pdfIn PDF document text
- https://mclandpin.com/calisma2/files/uploads/3524888585.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b039251b5d---52487136313.pdfIn PDF document text
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/q9h1ea30nro1v8gge4kup740n7/41014434867.pdfIn PDF document text
- https://warsztatgdynia.pl/app/webroot/media/files/55762035138.pdfIn PDF document text
- https://tourpon.kr/FileData/ckfinder/files/20210913_974FDF0DCDAAF895.pdfIn PDF document text
- https://digireg.dk/upload/jadesizugojikenax.pdfIn PDF document text
- http://gabinetpro.gabinetpro.pl/kosmetyczka/krakow/files/xojupe.pdfIn PDF document text
- http://hasadtemizlik.com/upload/file/tegawanufageleritu.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/fcdf9d39d34bff7339e6b82b2aa29633/zazobutonatiruk.pdfIn PDF document text
- http://thebodyclubonline.com/userfiles/file/90736959054.pdfIn PDF document text
- https://chorland-dining.com/webroot/editor-uploads/files/50233870570.pdfIn PDF document text
- https://autoradiator.mn/uploads/ckfinder/files/61590539718.pdfIn PDF document text
- http://xn--80aer5aza.xn--19-kmcm3c.xn--p1ai/ckfinder/userfiles/files/30199678936.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=watch+endgame+full+moviePDF link annotation
- 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_off0000f6ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6EA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010f01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F01 | 10816 bytes |
SHA-256: f13d5848c7df7351d5cd6a4e112c8f078fc7185bf55688197bc290c0409a0d52 |
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font_02_sfnt_off0001278a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1278A | 17556 bytes |
SHA-256: c4727aa09e7ade313a151456f198b2ffe31e57baa3644f1d78b5f600e748a9d3 |
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