Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c1220a970e5c595…

MALICIOUS

PDF

77.2 KB Created: 2021-02-18 22:25:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 2d17b0ba0ce447ed95a3c373d1dd310c SHA-1: 5d47d8881046598aef0ea14f61b54ff6070ab698 SHA-256: 9c1220a970e5c5953d1ab091640b129c83e7044b93eeab623322e2d93efcb702
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://jottigo.ru/123?utm_term=what+size+battery+does+a+snark+guitar+tuner+take PDF link annotation
    • http://good-production20.site/9th_class_ki_tc_application00rul.pdfIn PDF document text
    • https://cdn.sqhk.co/fomezawelud/ejcgjeQ/wedding_makeup_salon_game_online.pdfIn PDF document text
    • https://cdn.sqhk.co/tifobebe/hfhcuGW/why_do_cannonballs_explode_in_movies.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4488804/normal_5fed4332e6f36.pdfIn PDF document text
    • http://hellesypakk.online/gepudy1vem.pdfIn PDF document text
    • https://cdn.sqhk.co/gajerivab/6hjgJkL/medorusesanejos.pdfIn PDF document text
    • https://cdn.sqhk.co/jawutuwek/hxLjSha/smart_watch_for_kids_with_games.pdfIn PDF document text
    • https://cdn.sqhk.co/bikegola/jQHBQfM/draw_your_game_mod_apk_unlimited_money.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4468837/normal_602d2b7ad217f.pdfIn PDF document text
    • https://cdn.sqhk.co/zaviresodew/eiejbDf/romancing_saga_2_switch_price.pdfIn PDF document text
    • https://cdn.sqhk.co/ropikenetu/ihgdaGz/dino_hunter_deadly_shores_hack_download.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408992/normal_601ffe1984556.pdfIn PDF document text
    • https://cdn.sqhk.co/takularozo/hFucbjc/retro_game_box_reviews.pdfIn PDF document text
    • http://belkwigs.com/zetaxetorenbdq20.pdfIn PDF document text
    • http://svoylend.xyz/toro_6.5_hp_recycler_lawn_mower_blade330hx.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4476954/normal_5fe54c8ead386.pdfIn PDF document text
    • https://cdn.sqhk.co/fekesolip/G7ihpha/65760164501.pdfIn PDF document text
    • https://cdn.sqhk.co/kisereta/RgigiPV/pudding_pound_cake_recipe.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_off0000ea53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA53 5424 bytes
SHA-256: 6be9b7ecf180ff60bd8b1fc7782ed03910b4fbce293a9f2b30ec56ad02d52a5e
font_01_sfnt_off0000fcdc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCDC 12996 bytes
SHA-256: 6dbd1036bcbb212d82dfdd509ebec6ed31854c9492bcc129b02cf2ff9f2234b0