PDF malware analysis — malicious · 0c3179079e760c9a

MALICIOUS

PDF

144.4 KB Created: 2021-03-18 16:27:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: e54a9e906fc700500c3f2e52f31a58df SHA-1: d2337015e51e01b885c2428a1a1851da35f2b2ca SHA-256: 0c3179079e760c9afdd23d98950a111a40cbab2ccdcc28767e4c440a12aa5d84

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The ML classifier and ClamAV both flagged this PDF as malicious, with high confidence. The PDF contains an embedded URI pointing to a suspicious domain, likely intended to host a phishing page or download a secondary payload. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to redirect the user to a malicious site.

Machine Learning

Nyx PDF Classifier malicious score 0.9996

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://dafemum.ru/strik?utm_term=what+is+the+point+of+candide
- https://cdn.sqhk.co/rosisole/hNhjPja/35041275302.pdf
- http://sizuxofutitarax.mypressonline.com/legigetepanovasinulebutom.pdf
- http://mobutadaxez.medianewsonline.com/alias_grace_letlts.pdf
- https://cdn.sqhk.co/sedazozesufu/je3ighh/37946697229.pdf
- http://kuwawaf.mypressonline.com/andrew_ng_machine_learning_slides.pdf
- https://static.s123-cdn-static.com/uploads/4447280/normal_5fc9699ee0f20.pdf
- https://cdn.sqhk.co/jasurisunav/KicfWje/polly_pocket_closet_game.pdf
- http://kipivejezijab.iblogger.org/43628279688.pdf
- http://zuzorovix.scienceontheweb.net/48253014844.pdf
- https://cdn.sqhk.co/dasofuduveje/c6wLljj/juvemurilan.pdf
- https://static.s123-cdn-static.com/uploads/4378621/normal_5fc89a5138ce1.pdf
- http://xuzugukow.iblogger.org/how_to_control_variable_speed_pump.pdf
- http://zagozogenef.sportsontheweb.net/33306139383.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://karababeso.rf.gd/jobs_in_pak_navy_2020.pdf
- http://solugivewatewa.myartsonline.com/damubuge.pdf
- http://jabejanaboz.atwebpages.com/71903661804.pdf
- http://vetuvadoxawiton.epizy.com/filmywap._com_2019_hollywood_movies.pdf
- https://s3.amazonaws.com/benuka/58902433836.pdf
- http://zadawal.epizy.com/sewonefodupetonopoke.pdf
- https://s3.amazonaws.com/domegagowevag/belle_2013_movie.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://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0001f4f0.bin` `f93de5646d2f20e252cc7ead735957353aaa4cbf1b488d4005f4021a29ecce9a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1F4F0	5128 bytes
`font_01_sfnt_off00020675.bin` `78199de7b1696ca60df20e6d2b2ee709fa257ed2abbf171efe34c3cbacd3a368`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x20675	14912 bytes

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