Malicious PDF — malware analysis report

Static analysis result for SHA-256 30218e2a32ad9cf7…

MALICIOUS

PDF

73.4 KB Created: 2021-01-11 16:33:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-07
MD5: 1c5ca6cd745734f75e304e83d911150f SHA-1: 2599dd4f9c922ec71eeaf894f63d25d056447da9 SHA-256: 30218e2a32ad9cf7de700036afe363f6655bfcb2165770144d4d5fa996940568
96 Risk Score

Malware Insights

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

The file is identified as malicious by ClamAV and an ML classifier, with a high risk score. It contains an embedded URI pointing to 'trafftec.ru', which is likely part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, contains text related to 'New england patriots injury report today', suggesting a lure to entice users to click the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://trafftec.ru/aws?utm_term=new+england+patriots+injury+report+today PDF link annotation
    • https://site-1177693.mozfiles.com/files/1177693/respect_is_two_way_traffic_meaning.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4487663/normal_5fc79c4009372.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366011/normal_5f9d34744fae3.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4374024/normal_5fc71bcb0ac52.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4370090/normal_5fc7b58c79ebd.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/jevopemosod/xosez.pdfIn PDF document text
    • https://s3.amazonaws.com/jemisajoda/tuwukajibumo.pdfIn PDF document text
    • https://s3.amazonaws.com/lekezaru/27218242169.pdfIn PDF document text
    • https://s3.amazonaws.com/vukumesoj/satobovatetaxujusa.pdfIn PDF document text
    • https://s3.amazonaws.com/tuxexi/best_free_admin_template_2019.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_off0000e2b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2B8 5368 bytes
SHA-256: 29136bf27299a724a5497589e9136f0041a083e7bb2835577530436775ad6c5e
font_01_sfnt_off0000f52c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF52C 10416 bytes
SHA-256: 4f5023e8dc46b8698cd903903a763f31e15ecd6055cb422310af595544c8aa91

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