Malicious PDF — malware analysis report

Static analysis result for SHA-256 e580236d68a9b08e…

MALICIOUS

PDF

77.5 KB Created: 2021-03-13 13:36:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 53930be429b36fe3318365f57d9bb9f5 SHA-1: 301f807a9f8490448d16e03a74ce2710c3ce82e4 SHA-256: e580236d68a9b08e8a7898cbe219f95c337cc093f9395e835c4e763024c84d5e
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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/wix?keyword=cash+flow+statement+solved+examples+pdf PDF link annotation
    • https://cdn.sqhk.co/lobinazema/jWib9Lb/wobemonefavonazelig.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4452834/normal_6021ebbb54b0d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4465403/normal_5fe90475cea0c.pdfIn PDF document text
    • https://cdn.sqhk.co/kidimezamos/GidsjbU/ball_hero_adventure_red_bouncy_ball_3.pdfIn PDF document text
    • https://cdn.sqhk.co/zodozane/c6fheia/recette_sandwich_jambon_beurre.pdfIn PDF document text
    • https://cdn.sqhk.co/zudatona/uOkghhi/96729684671.pdfIn PDF document text
    • https://cdn.sqhk.co/muwanije/ijfjiam/xagazijurapifal.pdfIn PDF document text
    • http://wafagubinumojaz.iblogger.org/radio_shack_pro_94_1000_channel_police_scanner.pdfIn PDF document text
    • https://cdn.sqhk.co/wubunepan/YlGKCid/bubble_shooter_glow_air_hockey_table.pdfIn PDF document text
    • https://cdn.sqhk.co/pigexebobe/Nvhbifx/64642176507.pdfIn PDF document text
    • https://cdn.sqhk.co/vemoderama/LicghUC/forward_assault_mod_apk_all_skins_unlocked.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471095/normal_60304c6977aac.pdfIn PDF document text
    • https://cdn.sqhk.co/gikunixa/RieGjed/free_slot_casino_games_online_for_fun.pdfIn PDF document text
    • https://cdn.sqhk.co/tememukafosu/XrnzmOb/kowamalo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4448740/normal_602b678bdb3cf.pdfIn PDF document text
    • https://cdn.sqhk.co/nulusezitelo/vididBF/28338068631.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490244/normal_600e4bdd4448c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372360/normal_6039641de92f4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4383695/normal_5fe31c849a18d.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://vavijiguzedimeg.epizy.com/95366898709.pdfIn PDF document text
    • http://bikilut.epizy.com/reading_books_app.pdfIn PDF document text
    • http://fujesotes.epizy.com/58979622701.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_off0000f1dc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1DC 5312 bytes
SHA-256: 7b6271a671bbc5b520e9820a2dd09bb65468e7142397618df76d67b95a6d349a
font_01_sfnt_off000103e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x103E6 10652 bytes
SHA-256: 373c5aab8e90f4f58f589d95dc92092f58df45dd4f75b651bf0ce57fe30a9c7a

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