Malicious PDF — malware analysis report

Static analysis result for SHA-256 2096223173b0f097…

MALICIOUS

PDF

42.3 KB Created: 2020-09-30 04:04:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: ade9acc69f937b1809c6847c469fbc2b SHA-1: b3182eb3a8f78578bcc015cdb670606993ecb418 SHA-256: 2096223173b0f0973b6ab52b12fb3c19a08d734841ebd5646865858c0de59db8
124 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://ggtraff.ru/strik?keyword=proper+risk+management+forex+pdf In PDF document text
    • https://site-1036679.mozfiles.com/files/1036679/lazuvijawemobewe.pdfIn PDF document text
    • https://site-1036862.mozfiles.com/files/1036862/67143590194.pdfIn PDF document text
    • https://site-1037098.mozfiles.com/files/1037098/difidudeg.pdfIn PDF document text
    • http://favufason.thegrindconnected.com/uploads/1/3/1/4/131407067/xupebib-vabije.pdfIn PDF document text
    • http://files.nhwinterseniorsoftball.org/uploads/1/3/0/7/130739256/kewulebilud-xivelibisoti-majuxozajo.pdfIn PDF document text
    • http://files.ontariocaraccidentlawyers.com/uploads/1/3/0/9/130969305/7006765.pdfIn PDF document text
    • http://gavaw.aroundthebrowns.com/uploads/1/3/1/3/131398101/koziwiko.pdfIn PDF document text
    • http://bepikewa.faithlutheranmonmouth.org/uploads/1/3/1/3/131398440/5025625.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0465/0156/0478/files/xolirawuvunirujebarigowej.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bf027da1-3ed8-4893-8026-14f8d1d79400/sopomav.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/18430a04-0614-4f32-a268-0b3bbc226469/87351688156.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/14d122eb-512e-417d-9755-0c7096d12646/josinogunapevoferugijogo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fb996a0a-44b6-4576-8e38-c0e555c4e97b/82043346011.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_off000066fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66FA 5464 bytes
SHA-256: 81be66c96dbc3eb3dcf7b05de7094bccdcef99da87e762e4d0b0ac5dfa660dc4
font_01_sfnt_off00007985.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7985 10176 bytes
SHA-256: bb325aa2d8addc214d431831f1d7d703eb4c5fc283581bb1c4fd41fe7a2880b9

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