Malicious PDF — malware analysis report

Static analysis result for SHA-256 007633d2829b74a6…

MALICIOUS

PDF

80.0 KB Created: 2021-02-21 11:48:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 2eae7dd2e98a8685d7378437e6aea43f SHA-1: f3fd552067976ced3bedb109fb3cf5940a04b9b3 SHA-256: 007633d2829b74a6d76010e4319156f165c2aabbb6e878b17dac610790a111d0
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://jottigo.ru/wb?keyword=the%20reality%20of%20esp%20pdf%20free%20download PDF link annotation
    • https://cdn.sqhk.co/wujakegu/RjiH8id/59243423240.pdfIn PDF document text
    • https://cdn.sqhk.co/wogigixa/5gc9Ije/78609636662.pdfIn PDF document text
    • http://stickerrus.ru/what_to_put_on_resume_for_skills8o9rd.pdfIn PDF document text
    • https://cdn.sqhk.co/xoguvamev/WPzheOh/kasegokerijiru.pdfIn PDF document text
    • https://cdn.sqhk.co/jebavimot/cuu2YDg/world_bowling_championship_2019_wiki.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417305/normal_601d33470b1d3.pdfIn PDF document text
    • https://cdn.sqhk.co/zuronenom/ieqjdhf/international_calls_free_online.pdfIn PDF document text
    • http://tumbochka.space/gagedivigufonitixuiqddt.pdfIn PDF document text
    • https://cdn.sqhk.co/tejosepu/hcgjifP/sosurozowavuriderijojud.pdfIn PDF document text
    • https://cdn.sqhk.co/wujejelot/Dhh7Ehd/talepojofakumeti.pdfIn PDF document text
    • https://cdn.sqhk.co/jolodovi/hhhfigf/wsdot_mountain_passes_white_pass.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4497082/normal_602ca0629248e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371247/normal_5fd193f009534.pdfIn PDF document text
    • http://hs-life.ru/damiwivikodowitasu4m0.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://nadefivetokilak.rf.gd/rorisika.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_off0000fb31.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB31 5272 bytes
SHA-256: 4f2a70f1deed8e2442ef1c97936e3066b867a7191d9aeda94e06be752b71c065
font_01_sfnt_off00010d31.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10D31 11100 bytes
SHA-256: c63b81996cc11ecbd9c03b0714589a158a07a9d3d072f1bc08743d9742bd405f