MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was flagged by a machine learning classifier and ClamAV as malicious, with high confidence. Heuristics indicate it functions as a link farm, likely a lure to download further malicious content. The presence of numerous unknown URLs suggests a phishing or scam attempt, aiming to trick users into downloading a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://ysh.my/userfiles/file/41082495778.pdf In PDF document text
- http://mtegl.wsystem.sk/userfiles/files/kawolipizebupupek.pdfIn PDF document text
- http://belv.ru/userfiles/file/62709069272.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b49677658d---roweluroxegimisiwalux.pdfIn PDF document text
- http://saovietgroup.com/upload/FCK/file/lazegivamufanalu.pdfIn PDF document text
- http://umrllc.com/userfiles/files/perukiwaz.pdfIn PDF document text
- http://kingtonkatsu.com/uploads/files/68012988125.pdfIn PDF document text
- http://zbirozskepodzamci.cz/userfiles/89538134346.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/8gkk8em42u0j1gf0b7ub1iejmd/55475521228.pdfIn PDF document text
- https://lacausedeslivres.com/userfiles/file/73048846217.pdfIn PDF document text
- http://hagelkonzept.de/userfiles/file/20465743622.pdfIn PDF document text
- http://strategie-online.net/catalogue_dynamique/file/vutejezipibafarobetad.pdfIn PDF document text
- http://pincodehub.in/userfiles/file/xadifuvama.pdfIn PDF document text
- http://p-energo.ru/content/file/96972666262.pdfIn PDF document text
- http://vlaamspatientenplatform.be/_plugin/ckfinder/userfiles/files/66231145681.pdfIn PDF document text
- http://nurugelexport.com/ckfinder/userfiles/files/sojosijigiv.pdfIn PDF document text
- http://benthanhsgfarm.com/images/uploads/files/63682652877.pdfIn PDF document text
- http://basar-hemeringen.de/ablage/userfiles/files/wizep.pdfIn PDF document text
- http://nbnjl.com/userfiles/files/bosasimux.pdfIn PDF document text
- http://alliance-ic.ru/uploads/file/virizapasasopumukomidod.pdfIn PDF document text
- http://cuoredicane.it/userfiles/files/4931456720.pdfIn PDF document text
- https://ms2gacor.com/contents/files/susujabo.pdfIn PDF document text
- https://printjet.pl/pliki_user/File/54750168506.pdfIn PDF document text
- http://vhshf.de/File/95400937988.pdfIn PDF document text
- http://bridgestone-ice-cruiser-7000.ru/ckfinder/userfiles/files/supamukam.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=facetime+apk+androidPDF 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_off00010800.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10800 | 10528 bytes |
SHA-256: fe1f9a0626a3f5a2eb1a2b25a002b63182db2d8a71066a77b53875b1ae18833d |
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font_01_sfnt_off00011fef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FEF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013801.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13801 | 17764 bytes |
SHA-256: e6cf2debebc6a76e6f37eb5920762d2595762c04a68d37b35db87445cb4a17aa |
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