Malicious PDF — malware analysis report

Static analysis result for SHA-256 590297163a74bf6d…

MALICIOUS

PDF

72.9 KB Created: 2021-03-01 19:30:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: e17770445dccf0cb4d0acd99d7188e27 SHA-1: 49aad3016faf4b6bc062e0b4ee456a7af12f5936 SHA-256: 590297163a74bf6de303973edd25d9cc4360837a576a0a623fd69ab3b37d5114
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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
  • 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://leonvi.ru/award?keyword=the+weary+blues+title+meaning PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4473616/normal_600bf05ab0eec.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4455881/normal_5feb5550d66df.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4462354/normal_6019fd107a8da.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413843/normal_602c360dc4743.pdfIn PDF document text
    • https://cdn.sqhk.co/xijisejes/qEghjfk/knights_inn_motel_grants_pass.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365551/normal_5fdabe46d8506.pdfIn PDF document text
    • https://cdn.sqhk.co/wijelukifap/g0hjgfK/how_to_make_water_marble_nail_polish.pdfIn PDF document text
    • https://cdn.sqhk.co/xurazegoba/ha3ia21/vetekata.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4501484/normal_6003fce936e75.pdfIn PDF document text
    • http://warowusavi.mywebcommunity.org/41257136393.pdfIn PDF document text
    • https://cdn.sqhk.co/jenetuwuda/jj8jihf/9817177976.pdfIn PDF document text
    • http://bejisosubonito.sportsontheweb.net/what_are_the_parts_of_a_faucet.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4447258/normal_601972e4d189b.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/gavobawum/kedamuzumora.pdfIn PDF document text
    • https://s3.amazonaws.com/rorives/cisco_catalyst_3850-_24xs-_s_switch_datasheet.pdfIn PDF document text
    • https://s3.amazonaws.com/legipalofi/call_of_duty_mobile_weapon_upgrade_guide.pdfIn PDF document text
    • http://sogivuwe.onlinewebshop.net/5885147039.pdfIn PDF document text
    • https://s3.amazonaws.com/simujix/44078022324.pdfIn PDF document text
    • https://s3.amazonaws.com/zazelujeju/mepuxefapewufivonirex.pdfIn PDF document text
    • https://s3.amazonaws.com/vonutavekip/adobe_after_effects_title_templates_free.pdfIn PDF document text
    • https://s3.amazonaws.com/lunojol/pwcs_interim_and_report_card_schedule.pdfIn PDF document text
    • http://mifojizu.myartsonline.com/chronicle_of_a_death_foretold_chapter_1_analysis.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_off0000e18f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE18F 5384 bytes
SHA-256: 0880d5db018d621b506fac9ad3aa618ca4bdbf65a184ba894b52457450587d2d
font_01_sfnt_off0000f3ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3CA 10176 bytes
SHA-256: cfede387967e7ce9b3d446d44e080a929cde02129948bc2c35d622e65a0f99e4

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