Malicious PDF — malware analysis report

Static analysis result for SHA-256 01a6c927144d75f4…

MALICIOUS

PDF

69.0 KB Created: 2021-03-06 00:04:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: d4e29ef567129a0cc1aa435253656a00 SHA-1: 87fe9415b43291c332bda2a14b5445487f94d067 SHA-256: 01a6c927144d75f42056398dfc44bcea6d4ff648fb501d1eda22ccb628354b3b
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://mezovuduw.ru/award?keyword=waste+king+8000+specs PDF link annotation
    • https://kofagegupuk.weebly.com/uploads/1/3/2/3/132302723/4838d.pdfIn PDF document text
    • http://choosenews.space/72342764186yyhm5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417045/normal_60406d6257fb1.pdfIn PDF document text
    • https://jinozeposejide.weebly.com/uploads/1/3/1/4/131453810/fajoxa.pdfIn PDF document text
    • https://cdn.sqhk.co/divoxisig/uQYggLY/twitter_video_downloader_apk_2019.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4365563/normal_5fce954347fa1.pdfIn PDF document text
    • https://cdn.sqhk.co/bijozugetav/J4gjjhm/93211970645.pdfIn PDF document text
    • http://megalit-korolev.ru/behind_closed_doors_telemundo_characterswucdg.pdfIn PDF document text
    • https://xizadububexo.weebly.com/uploads/1/3/4/5/134595199/9982901.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412380/normal_601f92a74c511.pdfIn PDF document text
    • http://wonder-ita.space/74290855605dh2aa.pdfIn PDF document text
    • https://cdn.sqhk.co/taxodisilif/g2lHghc/wooden_rope_swing_for_tree.pdfIn PDF document text
    • http://conicppjry.bid/google_spreadsheet_l_gqkqmv.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://4e33067b-0f13-4bed-bb9c-ea95f768fd7c.filesusr.com/ugd/23924c_cbfd0e75dc8741c4a73cf1f047423402.pdf?index=trueIn PDF document text
    • https://08c3cc13-1ce0-4add-927e-a3aed263473e.filesusr.com/ugd/ccf397_7f4f7f5df04247d19b3837cf687eab85.pdf?index=trueIn PDF document text
    • https://a121017b-3fb3-450c-9156-48dd71a9bf80.filesusr.com/ugd/07625c_3404576834794769a1bd133a8af43a9e.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/af8cf83d-d5f2-435d-a42d-d95086caa9db/why_marriages_succeed_or_fail_test.pdfIn PDF document text
    • https://62abf401-5fc9-4991-ac00-cb6a0c8cf8ec.filesusr.com/ugd/e4ff69_6ee0e28f4625497aba792fa26a211348.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/1a9f00fb-6e71-4618-a913-d9854f0a7899/pidutepedupezimonagega.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d343dbc9-58e8-4c6f-aa6a-fa5f67a53e1f/4345169235.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_off0000d1f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD1F8 5388 bytes
SHA-256: 62628ec9db12c29055cfbaaa58e18491fe177f724607efcc31391ecc7b5f4fdf
font_01_sfnt_off0000e474.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE474 10180 bytes
SHA-256: b2f8077ac1c2afe84a19820de4e62e8d5d211ea3e0f1764d9b37af7f7b5c8ff7

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