Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d33005576803181…

MALICIOUS

PDF

70.2 KB Created: 2021-01-25 12:18:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: e2c6b3c649da472a392b43db3e637c09 SHA-1: aa51d086530ddff3fc83aa15bcd587f51b56d1cb SHA-256: 5d3300557680318195a08cd782e8dca65fd34770627a1564f3e5432d90b3bb75
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://bologen.ru/wb?keyword=doctor%20career%20pathway%20australia PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4453747/normal_5ffe15c4cd85d.pdfIn PDF document text
    • https://cdn.sqhk.co/jaguwubax/WhbVKhe/jabukabawewipebaluw.pdfIn PDF document text
    • https://cdn.sqhk.co/fedelubu/ijjcia1/fashion_story_apk.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4487935/normal_6003be01d908e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4367950/normal_5fc7f315a5e56.pdfIn PDF document text
    • http://azorocheat5.xyz/whatsapp_business_app_kya_haiiyl1p.pdfIn PDF document text
    • https://cdn.sqhk.co/kenalexuvexu/aiggc7H/sony_playmemories_home_mac_download.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4495985/normal_5fe3edbbb5629.pdfIn PDF document text
    • http://pet-guru.shop/tomb_runner_2_unblockeds282z.pdfIn PDF document text
    • http://doweryklkq.space/charm_city_kings_full_movie_hbooozrp.pdfIn PDF document text
    • http://limecash.xyz/flame_hero_apk_android_oyun_clubiybg9.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4444646/normal_5fc9da74b88ec.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/julaxel/kathi_tamil_songs_masstamilan.pdfIn PDF document text
    • https://s3.amazonaws.com/sajatesawodiji/offline_adventure_games_for_android.pdfIn PDF document text
    • https://s3.amazonaws.com/jitimesolagun/92344413925.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_off0000d4d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD4D1 5212 bytes
SHA-256: b7aa91a12d11f0c60190c92437668b5fd2b948f6f3531bf1c13c02fa7f268598
font_01_sfnt_off0000e6a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6A6 10916 bytes
SHA-256: 40a3fa198ae61fd0b2f810910f118147d9d95e9e34cc9b75ece82e47d2f7d9ac