MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous external URIs, suggesting it is designed to redirect users to potentially harmful websites. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports that the document is part of a link farm on disposable hosting, commonly used for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://catamma.ru/uplcv?utm_term=sticker+app+apk PDF link annotation
- https://pinpointfeedtech.com/ckfinder/userfiles/files/71166107782.pdfIn PDF document text
- http://thestarbusan.com/FileData/ckfinder/files/20210909_9D505F4E1B6257D2.pdfIn PDF document text
- https://altinhediyeler.com/calisma2/files/uploads/99863884445.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16137ba3c8e889---xagejalabetiwivi.pdfIn PDF document text
- http://johnlillylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/70297798591.pdfIn PDF document text
- https://nezrenpin.com/calisma2/files/uploads/nepupifixevog.pdfIn PDF document text
- http://gniortho.com/files/Upload/file/91502684374.pdfIn PDF document text
- http://somkuthyoptika.hu/editor_up/beripofomiwiradero.pdfIn PDF document text
- http://bangdinhphucat.com/quangbasanpham/app/webroot/upload/image/files/deruvezinapebepotog.pdfIn PDF document text
- https://infotechb2blite.com/bot/ckfinder/uf/files/13125828087.pdfIn PDF document text
- http://solar-makernavi.com/ckfinder/userfiles/files/64519587529.pdfIn PDF document text
- https://chorland-dining.com/webroot/editor-uploads/files/futifiresapurazobo.pdfIn PDF document text
- http://wisdomtours.net/upload/file/36364320937.pdfIn PDF document text
- https://www.oalysa.cz/ckfinder/userfiles/files/96580423907.pdfIn PDF document text
- http://hawaiianhunareiki.it/file/fopupavefinawosanoso.pdfIn PDF document text
- http://ibsdhc.hpds.work/ecdemo/web/js/ckfinder/files/files/93111561382.pdfIn PDF document text
- http://ocvitlucky.com/vietkiendo/upload/file/67502392503.pdfIn PDF document text
- http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/temepobobilebu.pdfIn PDF document text
- http://franceplus.fr/userfiles/file/zijiwimaxakabi.pdfIn PDF document text
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/62cbaf54f39ba32d76eb38721f92501e/89687566906.pdfIn PDF document text
- http://mariancozma.com/_user/file/kozibadoretoworu.pdfIn PDF document text
- https://nevisnews.com/userfiles/duwaf.pdfIn PDF document text
- https://tjp2-hotlink-j3t.com/contents/files/49938789124.pdfIn PDF document text
- http://zenkatsu.dk/files/99210547289.pdfIn PDF document text
- https://villamishkan.com/310renonew/front/images/files/jipuvewufejowozobowotop.pdfIn PDF document text
- http://sklepjola.pl/userfiles/file/96580858547.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_off0000c0f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0F4 | 16544 bytes |
SHA-256: 44e35252bfb09411938b0d5526a6c73b480094844a36a6f5921cedeb8a393373 |
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font_01_sfnt_off0000ebbf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBBF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000103d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103D6 | 10096 bytes |
SHA-256: 15d47e9dee24ac67517f55af89035782d513f67007c1cf57c9aaeb1bba9836ec |
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