Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c29a66a54b7f02a…

MALICIOUS

PDF

71.2 KB Created: 2020-11-05 20:07:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23
MD5: fc312fa7f10ea4910af20c35c576f540 SHA-1: 56cd56abd547c6b2cd985a9a7b88fe4c075e6875 SHA-256: 9c29a66a54b7f02a7d357c8bda9a79468820f6e77dfc859483a4d55a383cfc3f
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://trafficel.ru/123?keyword=net+players+test+positive PDF link annotation
    • https://xexogabowagub.weebly.com/uploads/1/3/4/4/134438270/tojojevazojure.pdfIn PDF document text
    • https://zizuralozirufu.weebly.com/uploads/1/3/1/4/131483034/kubuvevizabibujaz.pdfIn PDF document text
    • https://rabidibizuzej.weebly.com/uploads/1/3/4/6/134648686/sukajefupanaxa.pdfIn PDF document text
    • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/5acab582ad41.pdfIn PDF document text
    • https://kaxebovirufuj.weebly.com/uploads/1/3/4/3/134399635/a543d43881d5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393029/normal_5f989d945a800.pdfIn PDF document text
    • https://tivakoxidedopa.weebly.com/uploads/1/3/0/7/130776298/batinamij.pdfIn PDF document text
    • https://bovaromekefa.weebly.com/uploads/1/3/4/4/134403346/7017993.pdfIn PDF document text
    • https://fuxiwajusefu.weebly.com/uploads/1/3/4/6/134617271/9314c41.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417809/normal_5f9da90360c49.pdfIn PDF document text
    • https://detaliwaka.weebly.com/uploads/1/3/4/3/134340587/29639.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/8153e4f7-e5bb-4aeb-9604-1020bcfc4b9a/vufijiwezolivowezajesexaj.pdfIn PDF document text
    • https://s3.amazonaws.com/jimugivos/110v_clothes_dryers_for_sale.pdfIn PDF document text
    • https://s3.amazonaws.com/wizedumi/47581533370.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_006_off0000daae.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xDAAE 22352 bytes
SHA-256: f7688bf77c3d7b446e41737833ad35c48e214bb5e3358b9d4b3c71a5b3588f21
font_00_sfnt_off0000a55a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA55A 4628 bytes
SHA-256: cd95e503a99c4b8a37f22379c0299ee75933b75a0b85f38b446db69aeaa599aa
font_01_sfnt_off0000b534.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB534 10940 bytes
SHA-256: c3c4bb3057d06ea1c5516352a8fce0d17c866f0f4ad2bd49d28d8d4dd015ec0a
font_03_sfnt_off00010118.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10118 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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