Malicious PDF — malware analysis report

Static analysis result for SHA-256 c63fe69cf2d9784c…

MALICIOUS

PDF

70.9 KB Created: 2021-02-21 08:00:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 804e73c6d59a534885a15e62a3dc86f4 SHA-1: e6517538a85e9ec00482ba9fd16db6dcf78f52cf SHA-256: c63fe69cf2d9784ccefea9dc1243e028c3dc60c5c8743dabea274b60cd8534a8
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://baarspo.ru/wix?keyword=miss+havisham+jilted+quotes PDF link annotation
    • http://hesap-al-sat.com/83820819904drzwm.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366044/normal_5fdfc5ca890d8.pdfIn PDF document text
    • https://cdn.sqhk.co/vunalogivefu/gijhbgh/wepiluneveralus.pdfIn PDF document text
    • https://cdn.sqhk.co/wudawagirus/hgtXKeo/kepidagilolofenixet.pdfIn PDF document text
    • https://cdn.sqhk.co/goberirud/fkgejfo/hearthstone_battlegrounds_tier_list_august.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4487200/normal_5ffac4a2aca74.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369926/normal_5ff75d7304e58.pdfIn PDF document text
    • https://cdn.sqhk.co/gebitasixa/SMggchh/lemepivan.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4477162/normal_5fdbbb4fc3692.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4464709/normal_5feef935e30b3.pdfIn PDF document text
    • https://cdn.sqhk.co/jesotipo/c39Ycgj/drift_ride_game_download.pdfIn PDF document text
    • https://cdn.sqhk.co/sarimotel/iiQifje/subway_surfers_racer_game.pdfIn PDF document text
    • http://lnstagramsupportlives.com/rewozutezijeku6c01e.pdfIn PDF document text
    • https://cdn.sqhk.co/minamojazi/Mgd9HyS/80619183839.pdfIn PDF document text
    • http://foodguideblog.com/69064944696sdmrn.pdfIn PDF document text
    • https://cdn.sqhk.co/tosijoxopum/4jw8IjH/zodabizoloxekafodigil.pdfIn PDF document text
    • http://mirror-x.org/joker_movie_script6ctgd.pdfIn PDF document text
    • https://cdn.sqhk.co/nifodotiriru/haIhehh/duditomidebidajijo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000da87.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA87 5236 bytes
SHA-256: 87e9a559c15fa107f5e84a1ad239932b42bea1cc3d37bfeeac447b3d5e0fbb95
font_01_sfnt_off0000ec42.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC42 10152 bytes
SHA-256: d9204fb78a762e48e91e234ae24aa12a1853652b629d6e616de6cf522ec885fa