Malicious PDF — malware analysis report

Static analysis result for SHA-256 140f21d05b56a5eb…

MALICIOUS

PDF

37.7 KB Created: 2020-11-08 11:40:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2022-06-20
MD5: bafb3c838079d667bc0246da582a7909 SHA-1: de166958f00bf66be82c699c83efb76f420d5f01 SHA-256: 140f21d05b56a5eb4c58f4e61cdee7fc3744bd32271e01bb6f9c8be45eb7893a
66 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://trafffi.ru/aws?keyword=ezekiel+chandler+az PDF link annotation
    • https://jivarogogujuno.weebly.com/uploads/1/3/4/5/134513891/xaxebavaxuw.pdfIn PDF document text
    • https://fakimodixoto.weebly.com/uploads/1/3/0/7/130739088/wovikadosalu.pdfIn PDF document text
    • https://zurenigexozaxil.weebly.com/uploads/1/3/4/6/134606750/nadaze-xenaxeram-fifonagizadofir-vakizenidagara.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418747/normal_5f9ca547e24da.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4443619/normal_5fa6d9bce0be1.pdfIn PDF document text
    • https://xonuveviriniw.weebly.com/uploads/1/3/0/7/130738603/9755694.pdfIn PDF document text
    • https://worozimovazez.weebly.com/uploads/1/3/1/4/131406108/jimoxuna-podofodakilu.pdfIn PDF document text
    • https://tadonajates.weebly.com/uploads/1/3/4/3/134319020/pakonukemiwi.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/1cd8f7a1-a394-4ef0-9b44-094a3abe077a/kesigulikekota.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c7673960-c61b-430a-8bf4-04c0f82a85de/divotadaw.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9e98fd16-a96d-4d16-8bfb-847dbe67f3a4/84058545420.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/47b500b7-9d57-4fbe-bc50-aeab1ebf0617/5817351592.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/95221746-f894-42b4-9a3a-ec14e4ab732e/papitozuke.pdfIn PDF document text
    • https://s3.amazonaws.com/zabevog/maytag_washer_centennial_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4cc8563b-96e1-415d-8d7f-c04716be9f0e/final_fantasy_xv_timed_quest.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8316840a-c787-4854-8a5a-5d1cd4d8cb9e/14599113726.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_off0000548b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x548B 4920 bytes
SHA-256: 53e7f7df9dea5644411b593dc512012803dd88ffae1168e605e4b87999fb4086
font_01_sfnt_off00006550.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6550 10972 bytes
SHA-256: 8b93ea3c788fca714276ae54d78d1c3a02aab397350945013af4034d2ea05658

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