Malicious PDF — malware analysis report

Static analysis result for SHA-256 06d896b8eef18af4…

MALICIOUS

PDF

67.8 KB Created: 2020-11-11 23:15:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 9e797f002845cf2ce5984031a0923224 SHA-1: def960b45e6b5e6002ea3434fc28ae40660201eb SHA-256: 06d896b8eef18af4802ef46c1a982604b8b8e67193d8a55b454298548b25ba28
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 0.9997

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
  • 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/123?utm_term=topix+walnut+ridge+ar PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4450746/normal_5fa3a720cccbc.pdfIn PDF document text
    • https://votuwokikinoso.weebly.com/uploads/1/3/4/4/134466575/vemejep.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381752/normal_5f8cb79409713.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367923/normal_5f89ed3a39601.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384471/normal_5f94ef8a0492a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388824/normal_5fab67401e73b.pdfIn PDF document text
    • https://wepugimi.weebly.com/uploads/1/3/1/0/131070973/bbb086.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372377/normal_5faa6b083b41e.pdfIn PDF document text
    • https://pufotawimudob.weebly.com/uploads/1/3/4/3/134380049/zofik-pumamefosupaza-relosojadulat-luxozenepuvose.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/0afe2133-f1f9-4bd3-b449-632f7c8552e4/jojobupararedan.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6ce146f8-79ea-413a-be92-6470b58f0a17/gowerogunewemusameli.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2f4e4e11-bbb2-4466-bdbc-cba772a09499/vuxewuvun.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/efc12006-236b-45d6-a529-2011fbb88cd0/kiratto_pri_chan_maria.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9c89ffd8-b2a8-467d-ac89-cce2774744a5/30839929608.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_off0000cdc9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCDC9 5060 bytes
SHA-256: 326f8c236bc0d63acdb6ba465e6609ca27d698f401cd6ea4215f38b9a4d21522
font_01_sfnt_off0000df23.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF23 10484 bytes
SHA-256: 3a22d06abee5b7e2d3216a3f663a0325776d9e4881ed1b571adfdbf02c75dc8d

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