Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0323e9c9c693e9e…

MALICIOUS

PDF

68.4 KB Created: 2020-11-27 11:53:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-26
MD5: 9e8197985c373307c14045512c678afa SHA-1: ec25197e9073c1b7401b900ece885ea9d460a196 SHA-256: f0323e9c9c693e9e883ae29dd18703196564005e3c7c3be7c85cf786b6be0329
154 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://traffking.ru/aws?utm_term=besharam+full+movie++mp4moviez'. The ML classifier also strongly flagged this PDF as malicious. While no scripts were extracted, the presence of a malicious URL within the document body indicates an attempt to lure the user to a compromised site, consistent with phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://traffking.ru/aws?utm_term=besharam+full+movie++mp4moviez In PDF document text
    • https://cdn-cms.f-static.net/uploads/4370791/normal_5f929e562b777.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379961/normal_5f8a86cb563fc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409604/normal_5f9a7a3ae783a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418985/normal_5fa61a8d44c40.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368762/normal_5f87890ca038f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368504/normal_5f93927699a28.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379370/normal_5fa800310e9a8.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/satudifin/chocapic_shader_mcpe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/08ba1690-10c0-4e7b-bcaa-9d32785fa9b5/defurekisiwepunul.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5ebaf234-e874-45fe-b62b-c0125df08948/tesubibujiden.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e2e6a0fd-79a0-41ee-afab-9ed173f13d6f/befolixena.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f03a5ddd-6e16-4423-a9b0-557dcecb71a8/jifixerinerazevup.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cdcc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCDCC 5388 bytes
SHA-256: 21bdd206903600fa46b7665a0c7698b2d432b9ffebd32c853400c1cbb048fd9e
font_01_sfnt_off0000e00e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE00E 11032 bytes
SHA-256: 376ccb247fe64bd39ed538bb3db85e95e71379e0d066023ce35d08106f8a49f8

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