Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee5ec802ca9ae77c…

MALICIOUS

PDF

72.0 KB Created: 2021-03-13 15:04:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 4badf1c2fa58c294a37dadcb3b66f001 SHA-1: 3bce9b33bff2a4f88dec1969fe99750dcaf9db14 SHA-256: ee5ec802ca9ae77c0854db1ea92a0f4ed87ce731fc0b000c518b0c5509793d6a
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 5

  • 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 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://jottigo.ru/award?keyword=wrist+fracture+exercises+pdf PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4460060/normal_5fe596016003d.pdfIn PDF document text
    • https://kukitame.weebly.com/uploads/1/3/1/3/131379641/vozebufep.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410027/normal_60249e77baf29.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4443799/normal_602efcba82732.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4453914/normal_5fe2ece9c7228.pdfIn PDF document text
    • http://jokebixa.22web.org/bright_side_kim_holden.pdfIn PDF document text
    • https://wadasazaba.weebly.com/uploads/1/3/3/9/133999184/zepefi.pdfIn PDF document text
    • https://fiwugepupuladav.weebly.com/uploads/1/3/4/7/134740110/lulakon.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4476436/normal_6026fbab0fc02.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454825/normal_5fd68b8a80b27.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4377674/normal_5ff8a0cc34eff.pdfIn PDF document text
    • https://tuwowezofe.weebly.com/uploads/1/3/0/7/130775341/9d9aeb8e37b9d67.pdfIn PDF document text
    • http://lizubujakus.22web.org/doxujixatowewireloraxeruk.pdfIn PDF document text
    • https://votilolezin.weebly.com/uploads/1/3/4/3/134307270/2457247.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366031/normal_6008c7009799d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4494663/normal_600e2ff5bf06c.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://vovugezufined.epizy.com/xonupadelewilavokanib.pdfIn PDF document text
    • http://dadewom.epizy.com/jakakovafilubopiwunenewi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0cdda6fd-5f15-4077-b221-6c918c061ee6/mamiya_c330_repair_manual.pdfIn PDF document text
    • http://dorikajiwewut.epizy.com/16108087244.pdfIn PDF document text
    • http://senapofo.epizy.com/lagu_barry_white_my_everything.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/05da1856-e26d-4e70-bc1a-e3087aaca386/41683681237.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/24bb24c0-86b3-40bd-a64e-1cf1eb8b0e62/zirotagatasud.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a4aeb4d7-bb1d-477b-a3b4-3c4e41166744/maxevuwedunafepatuki.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b64acac7-a908-4f71-8616-5e81cc67b526/what_do_you_need_to_replace_a_lost_drivers_license_in_mississippi.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_off0000dce9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDCE9 5200 bytes
SHA-256: bcd6122a94bbc10db820ee5ccd10af5c451d55b2cf5329ecd7794d7058057742
font_01_sfnt_off0000eeba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEBA 9976 bytes
SHA-256: 744bacfc572411c8d82d147a4c0c1a407a60e2e27eb28785c87c1a71d21bcd75

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