Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0e34ec12c27d3f2…

MALICIOUS

PDF

72.4 KB Created: 2021-01-01 14:10:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05
MD5: eb46b066032934b0e4ced214c95bd376 SHA-1: 3b3a2bedb6e98f49298a2ed6f96e7e33b101cebd SHA-256: e0e34ec12c27d3f27d33fc5576eca1e16f827d112b86bc14f180b34180c5d306
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://traffset.ru/strik?utm_term=tiktok+download+per+mac PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4458614/normal_5fee80b3595cb.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465252/normal_5fdf1c3e435eb.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4373527/normal_5febdd2c4b4c4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4422148/normal_5fbe002f003d2.pdfIn PDF document text
    • https://cdn.sqhk.co/milevatomog/juje6ii/how_to_iron_a_shirt_collar.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4489977/normal_5fdd3264326e3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367019/normal_5f8d4eaaf292d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366371/normal_5f9252f1e6038.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4415756/normal_5fb97c62b1fd1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378165/normal_5fa0784b9d410.pdfIn PDF document text
    • https://cdn.sqhk.co/wezikinupig/ijjcYsO/jagudoberolukegozikefokuw.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://uploads.strikinglycdn.com/files/afa9a903-d830-4f69-a3b3-b30c3104059a/zabixevusewetipewozogu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e61489a0-a36e-46d2-8ecf-70d65208e940/chilly_dog_sweaters_uk.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9a1116f6-765f-4826-b529-a5b3c52af3cd/progression_natation_cycle_3.pdfIn PDF document text
    • https://s3.amazonaws.com/bupaxomu/posixemuva.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_off0000d2d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD2D8 4932 bytes
SHA-256: 689d95a092d7de55b9ef8f6aa884512a93ad697603893eac72206965bac69699
font_01_sfnt_off0000e38c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE38C 10440 bytes
SHA-256: 5fbeca2cc09baf19f1c1caebe6994f849cca270d391530985a9f08072b65b1c9
font_02_sfnt_off00010710.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10710 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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