Malicious PDF — malware analysis report

Static analysis result for SHA-256 62d8dfe4571a66cb…

MALICIOUS

PDF

70.5 KB Created: 2020-12-05 12:28:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: b1fa15de70a8b1f286ee8b5b5e21e256 SHA-1: 1c209161b5344612c1f7f0279de28101854a565b SHA-256: 62d8dfe4571a66cb70b47e8dd7dd051ea233445b120f1e9308fc8bbd02dcd677
96 Risk Score

Malware Insights

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

The file is a PDF containing an embedded URL that leads to a suspicious domain, identified as malicious by ClamAV and ML classifiers. The document body, though heavily obfuscated, contains text related to 'The pioneer woman cookware black friday', suggesting a phishing lure related to shopping deals. No scripts were extracted, but the PDF structure itself facilitated the embedding of the malicious URI.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://trafficel.ru/123?utm_term=the+pioneer+woman+cookware+black+friday PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4415543/normal_5fab12d192f79.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420910/normal_5fa3d0fb0bfd6.pdfIn PDF document text
    • https://damafofazawarag.weebly.com/uploads/1/3/4/3/134369947/jejigedapaliwe_todoparogediwid_turekexepan_gilezemamos.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4380536/normal_5fc71aca7a57f.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://static1.squarespace.com/static/5fc2bcd488c99b6d37b321ee/t/5fc82da846ef2e08cbabe24d/1606954409590/politics_today_podcast.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/12d5736f-d2fe-4962-8e2d-cac186b1042d/gizmo_can_opener_battery_fix.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc33129affbf90a66f953cc/t/5fc92bcec88f0028dbc13162/1607019471443/lizubimogubenipolelopekit.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc2fc780b6b03258f43150d/t/5fc3fb9f9b1ed0353858af80/1606679456986/jotumebukolezarerasuju.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/277e51a1-73d0-43c0-b94f-22fc1fb1a80d/bolavuwenozaredexujutes.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcee251491241adc441cf5/1606217253464/95635978279.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b984.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB984 5272 bytes
SHA-256: 45abf37eb86c63733c464c83d2652aa15525c99c630ccf01c222b6461108af48
font_01_sfnt_off0000cb3e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB3E 2444 bytes
SHA-256: 33da07c2b70ddb8419226e42e40d60fd8d8deaffe845c18766e3df472295d6fc
font_02_sfnt_off0000d631.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD631 11384 bytes
SHA-256: d4dce88b572aea66e6d02fd79a9e4828755feff8c6fe24fdc3d8be0c63e02473
font_03_sfnt_off0000fce0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCE0 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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