Malicious PDF — malware analysis report

Static analysis result for SHA-256 60fce7ec159d70a6…

MALICIOUS

PDF

68.9 KB Created: 2020-12-23 06:15:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: 6d52db57be87fdf9484488ed9c621f06 SHA-1: 9071ce3b39158c36f55588a70143bcbd15e91bcc SHA-256: 60fce7ec159d70a6a3e9a935439f01b6aae8a7bc0669b808e4606c70eb300138
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://trafffe.ru/123?utm_term=full+size+captains+bed+white PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4490934/normal_5fb9fa5c8e9a2.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/mivokozibu/89504594601.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc5943688c99b6d37c71ddd/t/5fca0574414f5e35237f44a0/1607075189975/random_truth_or_dare_questions_generator.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbfd016c30a162e0c4c3cab/t/5fc13e99e6d49a06bbbf83db/1606499993451/standard_room_size_in_a_house.pdfIn PDF document text
    • https://s3.amazonaws.com/wonoti/nudawipizel.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/98f40574-a698-467e-ba98-753f6e59b35d/51921572987.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/64946ab6-8be0-42ef-9cb7-b9136a62b958/512_x_4096.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc658fd5687f52b6ba6400e/t/5fcef58801eaf4591e1df9a3/1607398802397/13800199077.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe0151f8cdb769c6a9c0cf/1606287702138/graphing_linear_functions_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/fejenijovekozu/air_penguin_hack_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/jeduzizonox/8461016966.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc66c5011f6a41984ab7b42/t/5fd75554154d72787109adae/1607947604799/zexevapulinutujaxawesa.pdfIn PDF document text
    • https://s3.amazonaws.com/fomaralunex/virology_books_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/00ca93f7-b46d-4619-bd88-f2c5e6a1bab9/34905500746.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_off0000cbbf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCBBF 5304 bytes
SHA-256: dadc38d6167ddfd6b395ee6dac699c38ec8d8e0caf0a86711ef1a8ae2aa9c318
font_01_sfnt_off0000dddd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDDD 12452 bytes
SHA-256: 4b0354b74938a1c89bd6defe91205e3e3aacf9b9baf809e14ad30c2354200e7a

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