Malicious PDF — malware analysis report

Static analysis result for SHA-256 c8029f465532cf9f…

MALICIOUS

PDF

72.2 KB Created: 2021-02-11 21:42:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 589cd40d0419121c4073e7f99af8faf7 SHA-1: 8336fad90029ebdbebdb6c11411ff8ffe4867308 SHA-256: c8029f465532cf9f32dfa0815495bfb9d8c52b6988a1d8b2e44d81f8c7388ae8
144 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=apk+followers+instagram+2020 PDF link annotation
    • https://cdn.sqhk.co/dudugetogi/oehfgdX/talking_tom_gold_run_hack_mod_apk_2020.pdfIn PDF document text
    • https://cdn.sqhk.co/pijuvedozuw/ggghjhd/mebuka.pdfIn PDF document text
    • http://lixixivukagoda.66ghz.com/ccleaner_italiano_piriform_gratis.pdfIn PDF document text
    • https://cdn.sqhk.co/jeporikate/gchi8gf/vilaxinug.pdfIn PDF document text
    • https://cdn.sqhk.co/jotenitix/ihejVVn/ninjago_season_12_episode_11.pdfIn PDF document text
    • https://cdn.sqhk.co/wadusazilox/hhgicgf/41908693840.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4483610/normal_6021f2fa9a2f6.pdfIn PDF document text
    • https://cdn.sqhk.co/tivanosox/7aieMeE/pesara_pappu_curry_ela_cheyali.pdfIn PDF document text
    • https://cdn.sqhk.co/bibobovezave/haT2SsW/zomejinepi.pdfIn PDF document text
    • https://cdn.sqhk.co/fufigavaki/zjb5hc6/grid_autosport_mod_apk_1._6._1rc2.pdfIn PDF document text
    • https://cdn.sqhk.co/birenejar/VqObtiP/73547555325.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4419851/normal_5fda8cd7c4f64.pdfIn PDF document text
    • https://cdn.sqhk.co/lamijaluxeso/XiekieV/naia_women_s_soccer_championship_2019_bracket.pdfIn PDF document text
    • https://cdn.sqhk.co/nomelafu/r0HOhbb/farozutolafigofazi.pdfIn PDF document text
    • https://cdn.sqhk.co/lexelinowe/QidXihi/27851567624.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://lepomosafajuki.rf.gd/symptoms_of_heartworms_in_dogs_yahoo_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/zesotat/83783492645.pdfIn PDF document text
    • https://s3.amazonaws.com/semuxemakaw/browning_bda_380_pistol_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/dazemi/ignou_mcom_solved_assignment_2019_free.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_off0000dadb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDADB 5640 bytes
SHA-256: b1869373daf1bf65ee586580d16a31896cf799cc5c51a371574c1e2f78dfb01e
font_01_sfnt_off0000ee0e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE0E 11036 bytes
SHA-256: daacc3dd1f2692ca3b95b60ff75c3a77313da67892bfc9f0e304c0f224520e8e

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