Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e0157636a1fb670…

MALICIOUS

PDF

94.1 KB Created: 2021-03-12 11:32:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 729b76793d714c66054306aac03497fb SHA-1: 763d799fabd1766258b373beff60fcf4a886493d SHA-256: 5e0157636a1fb6707e1ffbeb7b9b4fdf7765d8057356808b28fd04fbdc27e16c
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains an embedded URL that directs users to a website seemingly offering a guide on becoming a modder in GTA V online, likely a lure to disguise malicious activity. The presence of multiple suspicious URLs suggests a phishing campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://jumiwimov.ru/wix?keyword=how+to+become+a+modder+in+gta+v+online
    • https://static.s123-cdn-static.com/uploads/4384463/normal_5ff2d296e8dad.pdf
    • http://fitoxis.22web.org/gatotura.pdf
    • https://cdn.sqhk.co/romilononove/IkDhgjh/48327309957.pdf
    • https://cdn.sqhk.co/vukabuzaz/lhUJM1E/mutaperovolul.pdf
    • https://cdn.sqhk.co/limizolaxa/higmnm6/48138068340.pdf
    • https://cdn-cms.f-static.net/uploads/4406771/normal_6010a86bbe887.pdf
    • https://cdn-cms.f-static.net/uploads/4453329/normal_602ac18519373.pdf
    • http://budonap.iblogger.org/android_studio_emulator_app_not_installed.pdf
    • https://cdn.sqhk.co/finulepaf/gbPWyve/55946870489.pdf
    • https://cdn.sqhk.co/jekidase/AsVYGhi/tomirisituruluv.pdf
    • https://cdn.sqhk.co/minofavazu/ehdQMhg/craftsman_home_tool_kit_lowes.pdf
    • https://cdn-cms.f-static.net/uploads/4381082/normal_601ddd18deb55.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://xakafof.rf.gd/46975539659.pdf
    • https://s3.amazonaws.com/nitizobuv/japanese_knife_sharpening_guide.pdf
    • http://kufuravolej.rf.gd/maplestory_2_striker_build_guide.pdf
    • http://bibesatu.epizy.com/korewimavetoxupag.pdf
    • http://lusuzajemofim.rf.gd/66232981026.pdf
    • http://duxurulokij.epizy.com/estudio_de_factibilidad_ambiental_proyecto.pdf
    • https://s3.amazonaws.com/navoburarovada/xisuxavokitakevizagowo.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.

FilenameKindSourceSize
font_00_sfnt_off00012ed5.bin
fd7fe9abe249606775fc4cb338121986d1c88c80e4c0c5ca532703b58518a253		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12ED5 5336 bytes
font_01_sfnt_off000140f4.bin
cc1462be95a7fa7651d8c4e5a14f0cb3473ad8cf18916657db146c4886080e96		 pdf-font-stream PDF embedded font (sfnt) at offset 0x140F4 13196 bytes

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