Malicious PDF — malware analysis report

Static analysis result for SHA-256 5cd9d462b48673b6…

MALICIOUS

PDF

73.4 KB Created: 2021-02-21 16:42:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5e617b70063ff70be5d10eb7385e62dc SHA-1: 15dcd588d4c91dfff30933191cb12b5783237404 SHA-256: 5cd9d462b48673b6a433d0dad5157749b7f206f404efcc1a652e4fa8c4e39cd6
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 payload. The document body, though partially corrupted, contains text suggesting a lure related to a broken garbage disposal, likely intended to trick the user into clicking the embedded URL. The embedded URL points to a suspicious domain, further supporting the phishing and malware delivery intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://leonvi.ru/strik?utm_term=my+garbage+disposal+stopped+working+suddenly
    • https://cdn-cms.f-static.net/uploads/4418000/normal_6028b1c9864ca.pdf
    • https://cdn-cms.f-static.net/uploads/4454550/normal_6010d4579fdc4.pdf
    • http://trokot-online.xyz/a_level_cambridge_past_papers0mb75.pdf
    • https://cdn-cms.f-static.net/uploads/4487192/normal_600a038241ca2.pdf
    • http://pagebake.com/worepusajaneferixajexe2qd8x.pdf
    • http://pitushok.space/angular_file_from_s3b1yqc.pdf
    • http://ximilakuxulo.iblogger.org/99753211962.pdf
    • https://cdn-cms.f-static.net/uploads/4369656/normal_602fd0b01d226.pdf
    • https://cdn-cms.f-static.net/uploads/4403560/normal_601d0f5aa48ca.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://fiwepive.rf.gd/gelatin_sheets_to_agar_powder.pdf
    • https://s3.amazonaws.com/nalifij/rugeni.pdf
    • http://tuwafexom.epizy.com/bepanah_pyar_hai_tumse_audio_song.pdf
    • http://bufalirafuma.epizy.com/do_bounce_dryer_sheets_keep_bedbugs_away.pdf
    • http://muvalinifotu.rf.gd/atualizar_android_tablet_antigo.pdf
    • http://xebudulo.rf.gd/lofegidupipijilunumabaj.pdf
    • https://s3.amazonaws.com/woxorojero/ritubuzukukobe.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_off0000e142.bin
d7acc8e06b63a0159156974f937499fd6dcc5b0d6c01dc5074ca9879ed540c49		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE142 5528 bytes
font_01_sfnt_off0000f448.bin
8dedf7d3abf9b566a2eed442dadc68d771524d0b9206f5fb0a9d221587e50aa9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF448 10408 bytes

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