Malicious PDF — malware analysis report

Static analysis result for SHA-256 59f07c3e746d441b…

MALICIOUS

PDF

75.6 KB Created: 2021-02-12 07:53:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 0027103f1e2578469f52a6119b9ecb5d SHA-1: e46d932a7acaa9e6d675adde593ce761b524e6b5 SHA-256: 59f07c3e746d441b90cd494435bfa906b76117691593db6a19e94fa9fb30bf6b
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://jottigo.ru/wb?keyword=information%20about%20my%20state%20maharashtra PDF link annotation
    • https://cdn.sqhk.co/zasemewiti/jchahaE/japanese_used_auto_parts_surrey.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368969/normal_601abb5a78b4e.pdfIn PDF document text
    • https://cdn.sqhk.co/jidelugob/gihjbia/loxemeg.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481275/normal_6020782d64afa.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375708/normal_5fe273382cb32.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459623/normal_5ff28c51d65e1.pdfIn PDF document text
    • https://cdn.sqhk.co/dilereku/bWQGYhd/vawufajew.pdfIn PDF document text
    • https://cdn.sqhk.co/vizinifum/aicGqgi/nazobo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382629/normal_5fe781714d587.pdfIn PDF document text
    • https://cdn.sqhk.co/vedukosamo/XjcWji8/easy_diy_face_mask_youtube.pdfIn PDF document text
    • https://cdn.sqhk.co/golemejexeno/jFhdiJk/cowboy_beans_recipe_vegetarian.pdfIn PDF document text
    • https://cdn.sqhk.co/bibilofefi/xRijhdH/best_ps4_simulation_games_2020.pdfIn PDF document text
    • https://cdn.sqhk.co/finulepaf/8fhduSE/55992892182.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/bomifabipi/campus_recruitment_questions_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/wesezuzuvalirik/30515853170.pdfIn PDF document text
    • http://witegev.epizy.com/artisteer_4_standard_edition.pdfIn PDF document text
    • http://nowutakifotekes.epizy.com/kojesikuzajemizutuvoxi.pdfIn PDF document text
    • https://s3.amazonaws.com/sixenogafopoj/38400495428.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_off0000ebc7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBC7 5156 bytes
SHA-256: ed4d0ac4efcef960c21a67fc668dd3f918b9b981f5bb9867b46a61cfe7e58c59
font_01_sfnt_off0000fd2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD2A 10664 bytes
SHA-256: ca25c59b39ddb84e6d941e21ca667b58cfb4a7702e2ed43647249a8ee6e28176