Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ea3468240121a1f…

MALICIOUS

PDF

71.9 KB Created: 2020-12-08 16:11:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 8026604b322d14369b4c522c62ed2f48 SHA-1: 97d2218ba0eedfbd85d0c6a7ab0ec85b6af690d3 SHA-256: 8ea3468240121a1f4c4142415aa34d7b09f85c78305e84065475845860b670ac
96 Risk Score

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-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://traffset.ru/123?utm_term=another+bullshit+night+in+suck+city PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4366304/normal_5fc5b1b73ec97.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4427781/normal_5fc9550d84321.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/lodazojamuva/business_card_sample_template.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe04ad3c6ccf69f325610d/1606288558121/zomudedajizulosulo.pdfIn PDF document text
    • https://s3.amazonaws.com/dazutun/wavinazisuwekabivufenar.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc7b3e8d8e4f4479968ac2c/t/5fcd7b03d235d37878dc1fbd/1607301892565/gaforududefubemobofojebu.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc123e317e7202640ebafce/t/5fce6cb0643bc901cd36f89f/1607363761056/4752978198.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e2744ba9-ffc8-4dcc-92e8-a807a9ff6598/30022716921.pdfIn PDF document text
    • https://s3.amazonaws.com/petuzutemixuvod/wajomeba.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0a116543-4a88-4b1d-8e6f-7ff757079919/navien_npe240a_service_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d325472c-13e6-4816-bc1a-50900f8b58b6/raxitumufutuxoduko.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_off0000dbf4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDBF4 5144 bytes
SHA-256: 61012f3b01fdfb64f20c293a4719544662a24a95df372e1ab83548e6a1a30847
font_01_sfnt_off0000ed81.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED81 10864 bytes
SHA-256: 48722ee4724125757c5f7b20b0727b0958914b815271ea8966f52c78f00c470a