Malicious PDF — malware analysis report

Static analysis result for SHA-256 45af40ff7446875b…

MALICIOUS

PDF

73.7 KB Created: 2021-01-26 01:02:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: afe7a5e3b6931f1dac25727f54a21340 SHA-1: 612feb71a124a11517f213863ff7e2cb82f0c77c SHA-256: 45af40ff7446875bdb55ee5e905a32087dfb5abc2e718f0769b71705ebee1433
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/wb?keyword=can%20my%20cat%20jump%20after%20neutering PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4482208/normal_600b394784103.pdfIn PDF document text
    • https://cdn.sqhk.co/xejudawadoni/hfXgdjj/jixemas.pdfIn PDF document text
    • https://cdn.sqhk.co/kamupudoro/fgejgoR/rope_bowling_mod_apk_unlimited_money_and_gems.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4462345/normal_600da5c672cc7.pdfIn PDF document text
    • https://cdn.sqhk.co/fenazijeguk/cdjdhh7/crime_city_street_driving_3d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4501993/normal_5fc8cf4d135c9.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4468871/normal_5ff12914a0bdd.pdfIn PDF document text
    • http://setofexperience.site/xexusera8mwvm.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370530/normal_5fe6ccb4d740f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4382187/normal_5ff393b58fd19.pdfIn PDF document text
    • http://moneyindia.site/65023472575jrneg.pdfIn PDF document text
    • http://yewes.fun/tumblr_quotes_short_deepigba8.pdfIn PDF document text
    • http://idclick.cash/92798075053w9eb0.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4385206/normal_6001ecfd1a334.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://watijosanowo.epizy.com/bomobowoj.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_off0000e550.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE550 5208 bytes
SHA-256: 93f3e67d3cabbdc4b4b398f734cd4ed7ef435bf84daadcdaf3fd970e19d97301
font_01_sfnt_off0000f709.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF709 10332 bytes
SHA-256: 1f7da26e3a750fbccb01d57168b56f6492c774ea8e50cab643913ae1ee0fa495