Malicious PDF — malware analysis report

Static analysis result for SHA-256 d12ab92b4acdee7b…

MALICIOUS

PDF

74.7 KB Created: 2021-04-03 20:32:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-25
MD5: a7b11ed02182795954da2962744fb5b5 SHA-1: ee7c7c74999bd2d30de710afd44b092ec040e1da SHA-256: d12ab92b4acdee7bbce9058c7d1dc30529795ae231c425a7aa5e8432b91d772d
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://fokemale.ru/123?utm_term=adobe+audition+2019+free PDF link annotation
    • http://tubezadobuzaro.66ghz.com/vilasodelarasofera.pdfIn PDF document text
    • http://pefiworawodud.mypressonline.com/insinkerator_evolution_excel_warranty.pdfIn PDF document text
    • http://kafidovomiguvo.mywebcommunity.org/87459610166.pdfIn PDF document text
    • https://bovuxugiz.weebly.com/uploads/1/3/4/9/134901291/joreforotekux.pdfIn PDF document text
    • https://jepemanek.weebly.com/uploads/1/3/4/5/134589705/044e61d2c.pdfIn PDF document text
    • http://janabaruri.iblogger.org/comparison_between_axial_and_centrifugal_compressor.pdfIn PDF document text
    • http://pisufixefonof.scienceontheweb.net/cardiac_catheterization_technique.pdfIn PDF document text
    • https://duxotitur.weebly.com/uploads/1/3/4/5/134596147/1116779.pdfIn PDF document text
    • https://fuvepuzineg.weebly.com/uploads/1/3/4/4/134463404/somavel.pdfIn PDF document text
    • http://zinekob.66ghz.com/print_webpage_to_firefox_addon.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://resilasijajatil.myartsonline.com/pefukexen.pdfIn PDF document text
    • https://s3.amazonaws.com/voxipanovigepiv/gamesir_g3s_wireless_controller.pdfIn PDF document text
    • https://s3.amazonaws.com/wejuvono/2004_polaris_sportsman_400_parts_list.pdfIn PDF document text
    • https://ebba3e40-d49f-4cc8-b137-373bb1124918.filesusr.com/ugd/384ea4_1d67163b911e4247a2af67537c826d2c.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/vaxebisapesi/astellia_online_deutsch.pdfIn PDF document text
    • https://21d44941-995c-48b9-956b-8145330e20d5.filesusr.com/ugd/577b75_1fbe95f374f94feabc145c37b5135b07.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/jodabiladezot/angular_formcontrol_reset_value.pdfIn PDF document text
    • https://024ce552-e2cc-4bd1-a5d9-b2c1fc696ba4.filesusr.com/ugd/b56239_66883750c5c14f8383922ddbda4cd48a.pdf?index=trueIn PDF document text
    • http://gupatevefojip.myartsonline.com/batho_pele_principles_health.pdfIn PDF document text
    • https://34886cf3-15ed-44db-93e8-8979dc7c4cd7.filesusr.com/ugd/ea2c45_5d9be7b438114b99af4dedfd25bbf401.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/gixawetopoli/us_army_recruiting_command_award_for_jrotc.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_off0000e7dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7DD 5300 bytes
SHA-256: 22a3dcf9b6ec33ae0202428458ac01396d76a7ff601ed308c9430c57989107bd
font_01_sfnt_off0000f9f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9F6 10524 bytes
SHA-256: e55a7374e7846700074490105c3c1956c357223af23645aefff66bb5427e4531

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