Malicious PDF — malware analysis report

Static analysis result for SHA-256 70ffc17396784793…

MALICIOUS

PDF

68.0 KB Created: 2021-03-05 02:44:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: a0aeb82b67c3b151e837c3b02898b9b4 SHA-1: 5c16dd07bdcf09c348c1d60f62d4f3490cf95d2a SHA-256: 70ffc17396784793658c0d85d82b06ddafced3201f9b2a95e073b8751c419d84
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • 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://seumenha.ru/award?keyword=ram+dass+documentary+netflix PDF link annotation
    • http://vagiburenumow.iblogger.org/mapufezoriwajezozujagubib.pdfIn PDF document text
    • http://rulajamizap.getenjoyment.net/20240655854.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4478146/normal_60415885546aa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4496582/normal_5fd76f32134b9.pdfIn PDF document text
    • http://luwinilulurop.mywebcommunity.org/wiledojowedifumewawekuli.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4425726/normal_5ffb177a90f47.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4423471/normal_5fd068b1294d5.pdfIn PDF document text
    • http://xofebuledat.scienceontheweb.net/27478114561.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4467601/normal_5ff031c6a5c4e.pdfIn PDF document text
    • http://lunatan.medianewsonline.com/97256886729.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383464/normal_6011284f1b784.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://jijetebum.epizy.com/motorbike_race_game_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/verirejon/conditional_formatting_highlight_duplicates_google_sheets.pdfIn PDF document text
    • http://pufasetidovido.epizy.com/life_cycle_of_monarch_butterfly_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/pibajuwi/jodi_picoult_my_sister_s_keeper.pdfIn PDF document text
    • https://s3.amazonaws.com/xufoxorog/lesutiwofawirufud.pdfIn PDF document text
    • http://nokejufesuw.atwebpages.com/narabuzujugulasedog.pdfIn PDF document text
    • https://s3.amazonaws.com/jinabom/jiwogepetokegaxo.pdfIn PDF document text
    • http://konazosite.epizy.com/vazisanerekazuzusokolal.pdfIn PDF document text
    • https://s3.amazonaws.com/vovopafubipu/xezed.pdfIn PDF document text
    • http://minegavanifur.rf.gd/where_are_king_kutter_tillers_made.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_off0000ce07.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE07 5344 bytes
SHA-256: 8c30d50619d772734f7cc7e88ff8e694855eed4e2a3d33f4f73d12d4f9120625
font_01_sfnt_off0000e031.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE031 10168 bytes
SHA-256: 9c522cc98acb7a9e20ce63b2e870c324ecd5852c73e43789da86899e4d466333

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