Malicious PDF — malware analysis report

Static analysis result for SHA-256 30d2051fc9fcebad…

MALICIOUS

PDF

65.8 KB Created: 2020-11-09 19:58:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-02
MD5: 76f1e69b899648ac8078bf557c3b063a SHA-1: 77e81ac8785d5d0b96bda5d3390f3c33d53cb1a2 SHA-256: 30d2051fc9fcebaddb04e66195cef599574d9902e3cba4747e3b7cb630a07d39
96 Risk Score

Malware Insights

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

This PDF file was flagged by a machine learning classifier and ClamAV as malicious, with a high probability of being a phishing or trojan delivery mechanism. It contains an embedded URL that directs to a suspicious domain, likely intended to host or redirect to a malicious payload. The document body, though heavily obfuscated, appears to contain keywords related to arrest records, suggesting a social engineering lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9979

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?keyword=walton+county+arrest+records+fl PDF link annotation
    • https://sabopedawexidix.weebly.com/uploads/1/3/4/3/134305122/pubemabow.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410015/normal_5f9cc07f044e4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367964/normal_5f8afb3095d16.pdfIn PDF document text
    • https://nexajatolotol.weebly.com/uploads/1/3/4/3/134308242/16b8f137.pdfIn PDF document text
    • https://jajedasas.weebly.com/uploads/1/3/4/2/134234666/votewixubozode.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368249/normal_5f8bbb16725b3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4411250/normal_5f9fd70796296.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383149/normal_5fa20b6d331da.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/tipikaxe/muslim_girl_name_list.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_off0000c41a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC41A 5132 bytes
SHA-256: db25de6ca5ae22ea14364feea6755f08782af0de8e9886bd45f6e5bccdc1e517
font_01_sfnt_off0000d5b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD5B5 10884 bytes
SHA-256: 850f12c11381f6aca1a8d4ac6bb93e47667df7a4ae09d34ef8c79da1f0319cfc

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