Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ab1744aed3fb9d2…

MALICIOUS

PDF

69.7 KB Created: 2021-02-08 08:32:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 043c4e588203c6377b84f21010604170 SHA-1: eb2974dfa967cba20234b9a3606e2ec2de9e4bc3 SHA-256: 3ab1744aed3fb9d255860dd0a28f3d57141b7970110b6f5de4d7b28e1363364b
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://maypoin.ru/aws?utm_term=dell+xps+15+9570+quick+start+guide PDF link annotation
    • https://cdn.sqhk.co/vukupamita/fOhidja/fikapikolenu.pdfIn PDF document text
    • https://cdn.sqhk.co/vorebilifi/joZUNqH/galaxy_war_tower_defense_mod_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/xevowuto/fgIgdgq/more_animals_mod_minecraft_1._7._10.pdfIn PDF document text
    • https://cdn.sqhk.co/maxevurux/hXbjaji/neo_geo_mvs_arcade_machine.pdfIn PDF document text
    • http://help-feedback-amzn3.xyz/sikabizasejiguxe1rwtq.pdfIn PDF document text
    • https://cdn.sqhk.co/pezolaje/eHxHiiK/3d_soccer_ball_night_light.pdfIn PDF document text
    • https://cdn.sqhk.co/fuwifemi/hj2icsc/lesanuruveduvosunojifes.pdfIn PDF document text
    • http://salearea.pro/83396763748eeed.pdfIn PDF document text
    • https://cdn.sqhk.co/lisutovudaf/Khhgwjb/my_connect_kingston.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4415530/normal_601d5c4627350.pdfIn PDF document text
    • https://cdn.sqhk.co/seseniluvus/zggidvx/nawinovokagaromurol.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379387/normal_5fdf5865cacfc.pdfIn PDF document text
    • https://cdn.sqhk.co/wesaduleb/hgccjab/workplace_daily_office_cleaning_checklist_excel.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4486566/normal_600bb902ebc42.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/petikamov/bcg_matrix_ppt.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_off0000cdc5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCDC5 6052 bytes
SHA-256: 957ba0bb0e1fb3027eb454681ad2676bbcf9e541381ca5a76e88017081f2198b
font_01_sfnt_off0000e280.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE280 12580 bytes
SHA-256: 619afc43ea1bfc27708364e01ac74fae0756830dd3272c34fcf5400a3c74b35e