Malicious PDF — malware analysis report

Static analysis result for SHA-256 7babe79ff095d0fc…

MALICIOUS

PDF

71.3 KB Created: 2021-02-27 04:59:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 9fcd07296d6430bfc48e09f120c0d5d3 SHA-1: 7418dc695397fdf711e92652ef7aebddd06e02f8 SHA-256: 7babe79ff095d0fc2694100466484bf40935034ff40cd16e07a0a6039f6a7143
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/award?keyword=what+does+dating+someone+mean PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4370989/normal_600a70027c371.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451556/normal_6017601d995b0.pdfIn PDF document text
    • https://cdn.sqhk.co/wadelovelo/hjihNgh/76730819330.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4460048/normal_5fc8d159e1245.pdfIn PDF document text
    • http://dosaxixapaxa.medianewsonline.com/41222162415.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4447888/normal_600dbfef3cf2f.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/tigewibejageju/cia_cardiologia_pediatrica.pdfIn PDF document text
    • https://s3.amazonaws.com/suzujewa/template_designer_for_emails.pdfIn PDF document text
    • https://s3.amazonaws.com/dazinibonofobi/frenchay_dysarthria_assessment_report.pdfIn PDF document text
    • https://s3.amazonaws.com/xozeb/27429869307.pdfIn PDF document text
    • https://s3.amazonaws.com/fewunadupop/pabijibumigaguxemun.pdfIn PDF document text
    • https://s3.amazonaws.com/jafujasiwetid/belokogoromopirumirijop.pdfIn PDF document text
    • https://s3.amazonaws.com/savukojubusum/83383754399.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_off0000dbb2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDBB2 5124 bytes
SHA-256: 6a19dc8a5fa5437118fae17f130c924ef165ec78f3574e2a89ff88cb45da5d76
font_01_sfnt_off0000ed09.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED09 10416 bytes
SHA-256: 341bfe7df4f227ca0fcadd12324f6fd31285f154eb9bd21fd4a8a4758d4e3d28