Malicious PDF — malware analysis report

Static analysis result for SHA-256 69397a0aa85ca3a2…

MALICIOUS

PDF

78.4 KB Created: 2021-03-23 09:27:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ead102222f7875a294d73cd720f266b6 SHA-1: d3cedbc6ebc46575f7bb19cd5a9abca25fa5a7b0 SHA-256: 69397a0aa85ca3a2592a786d25d8a24b9f777c52be0d0695056477a461f60657
96 Risk Score

Malware Insights

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

This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document body, though heavily obfuscated, appears to reference a product manual to disguise its malicious intent. The embedded URL `https://lozipotod.ru/wix?keyword=bissell+lift+off+deep+cleaner+pet+manual` is the primary indicator of a phishing lure, likely leading to a secondary malicious download.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://lozipotod.ru/wix?keyword=bissell+lift+off+deep+cleaner+pet+manual
    • http://mumijivamivaxij.medianewsonline.com/sony_a350_graba_video.pdf
    • http://wusator.mygamesonline.org/nedavoku.pdf
    • https://cdn-cms.f-static.net/uploads/4370285/normal_604624b231072.pdf
    • https://fejovixojik.weebly.com/uploads/1/3/4/3/134333762/4c6989e19021.pdf
    • https://static.s123-cdn-static.com/uploads/4407988/normal_5ff3000cbf395.pdf
    • https://static.s123-cdn-static.com/uploads/4450517/normal_5ff5e49f61dfc.pdf
    • http://wupunekum.getenjoyment.net/problem_solving_and_decision_making_techniques.pdf
    • http://jabewes.medianewsonline.com/32885323741.pdf
    • https://donefuvo.weebly.com/uploads/1/3/1/1/131164418/xemaz.pdf
    • https://cdn-cms.f-static.net/uploads/4472773/normal_5fe6dfbc5cf65.pdf
    • https://cdn-cms.f-static.net/uploads/4443341/normal_6018af3807d81.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/fewifuwu/audiosurf_full_free.pdf
    • https://s3.amazonaws.com/jesidofefe/cards_against_humanity_funny_answers.pdf
    • http://sifebitufol.onlinewebshop.net/24145826311.pdf
    • https://uploads.strikinglycdn.com/files/87aadc53-7bf4-4931-8061-3baf2071e3e2/how_to_rap_fast_without_breathing.pdf
    • https://uploads.strikinglycdn.com/files/219f9796-d9eb-413d-a9aa-43a7e0bb8371/how_to_eject_beaters_from_sunbeam_mixmaster.pdf
    • https://s3.amazonaws.com/jawusawar/vifovu.pdf
    • https://uploads.strikinglycdn.com/files/c7f1a5fd-cb0f-4e07-92a0-664ed86272ef/tzumi_pocket_juice_4000mah.pdf
    • https://s3.amazonaws.com/jiwisi/craftsman_yts_3000_owners_manual.pdf
    • https://uploads.strikinglycdn.com/files/a6b77ce3-103d-4928-9c39-de32e436be80/monopoly_board_game.pdf
    • https://s3.amazonaws.com/nefomojuwet/point-_slope_equation_of_a_line_worksheet.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_off0000f396.bin
2cad16bd9aa2cead552834439dc2a61f892535995c49fb92c3ae810582272734		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF396 5348 bytes
font_01_sfnt_off000105b3.bin
761a085364f2d9170269d10948c5b586b95a24364cde056262eb5854e030c223		 pdf-font-stream PDF embedded font (sfnt) at offset 0x105B3 11412 bytes

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