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. It contains numerous links pointing to potentially compromised websites, suggesting it's part of a link farm designed to redirect users to malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for these links, further supporting a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://ketchas.ru/uplcv?utm_term=live+free+football+streaming+app PDF link annotation
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/7b88c0097e4e8b1889be45346cbd3262/49226403430.pdfIn PDF document text
- http://tuvantindat.com/uploads/2021-09-11/images/files/43850349402.pdfIn PDF document text
- https://lederstuehle-shop.de/ckfinder/userfiles/files/75247354112.pdfIn PDF document text
- http://autosklo.sk/pictures/file/45729929667.pdfIn PDF document text
- http://studiodugnani.it/userfiles/files/rasedasifuditomit.pdfIn PDF document text
- https://xn----8sbcehyodmtf1czh.xn--p1ai/userfiles/file/senivo.pdfIn PDF document text
- http://hoangminhceramics.com/app/webroot/uploads/files/93351683918.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613edd294f45f---sijifisivinagolupisobuzin.pdfIn PDF document text
- http://balie.overeembv-profielen.nl/upload/files/73513218041.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/totabolawetolagaga.pdfIn PDF document text
- http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/somosozibarola.pdfIn PDF document text
- https://pbanerjeeservices.4digitmagic.com/userfiles/file/18515606867.pdfIn PDF document text
- http://supermarketdv.ru/files/file/bufasozalerejimezakox.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/16135219e48491---44347250175.pdfIn PDF document text
- https://multimetrics.com/ckfinder/userfiles/files/joxalupiwixixuketogaz.pdfIn PDF document text
- https://partnyor.az/userfiles/file/102914086.pdfIn PDF document text
- http://qapoll.com/2015/vat/upload/files/pavelodekibekesimewofu.pdfIn PDF document text
- http://perila-vrn.ru/userfiles/file/83156268463.pdfIn PDF document text
- http://rhoptik.cz/klienti/devel/sneznerolby.cz/ckfinder/userfiles/files/59886228568.pdfIn PDF document text
- http://orderleesushi.com/uploads/files/35497149166.pdfIn PDF document text
- http://macabrey-luthier.fr/data/Files/rakoviganifagesiloxitopip.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_off0000b86f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB86F | 10864 bytes |
SHA-256: 8e00b32bc579d9f578ffc624ba483368e1644d36c61ed85759512556e6053387 |
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font_01_sfnt_off0000d152.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD152 | 17496 bytes |
SHA-256: 63f1e2eaaaf20ff5588f0d5de2e939f11ce0feec4b5d6f53620ed9233889e128 |
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font_02_sfnt_off0000fedd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEDD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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