Malicious PDF — malware analysis report

Static analysis result for SHA-256 7abade2e64845927…

MALICIOUS

PDF

68.2 KB Created: 2020-12-31 13:16:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-14
MD5: 655f33286e5618ee3b322d1a71df673b SHA-1: fd667bed7f1ea9be304546954164dd7087934c6a SHA-256: 7abade2e6484592739c197afb285bbfdfefb4b4b2cff237563ff20eb66b69d18
96 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL that directs users to a suspicious domain, likely for credential harvesting or malware distribution. The document body, though heavily obfuscated, contains text that appears to be a lure related to 'Cinemark Ecuador Mall del Sur'.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://traffset.ru/strik?utm_term=cinemark+ecuador+mall+del+sur PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4486199/normal_5fc6dc1832435.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/vitelitubovuluj/jamul.pdfIn PDF document text
    • https://s3.amazonaws.com/falevi/cbse_answer_key_jee_mains_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/voxulija/induction_of_labour_guidelines_malaysia.pdfIn PDF document text
    • https://s3.amazonaws.com/pajeriramal/challa_video_song_pagalworld.pdfIn PDF document text
    • https://s3.amazonaws.com/vapelurowar/najuw.pdfIn PDF document text
    • https://s3.amazonaws.com/jumedemimo/48762515118.pdfIn PDF document text
    • https://s3.amazonaws.com/wazorixekunafob/agriculture_biologique_definition.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e27ff9fe-1725-46dd-adfc-d1ea797ae5a9/legawewiliso.pdfIn PDF document text
    • https://s3.amazonaws.com/geradi/disney_fantasia_music_worksheet.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000bde9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBDE9 4976 bytes
SHA-256: 74b7c5eaea4609ca90165481d61b4858e3b4f0d8d2a1b3aa205767c1d65b0b1a
font_01_sfnt_off0000cea0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCEA0 11740 bytes
SHA-256: 9df8e853590ad790e8f9c4f8349399ac4c81cf3f9e4c72daa63040167904f48f
font_02_sfnt_off0000f4e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF4E2 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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