Malicious PDF — malware analysis report

Static analysis result for SHA-256 329a07e3cd5ea6f3…

MALICIOUS

PDF

66.3 KB Created: 2021-02-18 02:52:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: bc3d7d5114697e183ebe74589830b95a SHA-1: baa98bb1f7f19e50524d0967148d51b50af60131 SHA-256: 329a07e3cd5ea6f38e2d528a18a582b31b643760f57313a22c56bbb28d16b462
144 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://jacksth.ru/wix?keyword=psychology+in+your+life+2nd+edition+pdf+free PDF link annotation
    • https://cdn.sqhk.co/mawedabe/9hfhxig/segagevopejulifetolubuz.pdfIn PDF document text
    • https://lasasokuvob.weebly.com/uploads/1/3/1/6/131607269/masovera_kudaz_rimuli.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4422877/normal_5fcf42f3b6fc1.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4380531/normal_5ff422076466f.pdfIn PDF document text
    • https://cdn.sqhk.co/fowurona/jjfxS5l/18013620244.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4465687/normal_60204109c25e3.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369909/normal_5fcf714586cb7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4484609/normal_5fe50dea3a9f5.pdfIn PDF document text
    • https://nixovutak.weebly.com/uploads/1/3/1/4/131406963/dunetukew.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4390074/normal_6026323546aeb.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4482617/normal_5ff8b26336a66.pdfIn PDF document text
    • https://cdn.sqhk.co/nomitusibop/dicoiiN/vakajavilijawoxawusevega.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380223/normal_600f07e30835a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426260/normal_5ffcdca0d7703.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451356/normal_6029c7c68ac8c.pdfIn PDF document text
    • https://cdn.sqhk.co/wulupumiwi/jidBhib/lego_super_mario_app_coins.pdfIn PDF document text
    • https://wunobenera.weebly.com/uploads/1/3/4/8/134887230/8ccb89a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413968/normal_602db09cccf50.pdfIn PDF document text
    • https://cdn.sqhk.co/girewobo/jdscyjb/kidesagavibon.pdfIn PDF document text
    • https://jotavitot.weebly.com/uploads/1/3/0/7/130738821/fijaper.pdfIn PDF document text
    • https://cdn.sqhk.co/tefozakozup/Ghe2NbO/walking_dead_season_10_cast_doctor.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417403/normal_6006486174057.pdfIn PDF document text
    • https://cdn.sqhk.co/fotenulutis/dkdgdxB/oconee_state_park_cabins.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000c5a4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC5A4 5440 bytes
SHA-256: 56031de62f0167b267944db150d31c7136379fa28ee48c688c1ce5418c942313
font_01_sfnt_off0000d833.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD833 10364 bytes
SHA-256: 6d7a1b54bbddb82b0a8c58390d08813ec0537b4ba0e32364c86f31858898d0c8

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