Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f2979588b3c9c62…

MALICIOUS

PDF

74.9 KB Created: 2021-02-06 04:58:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 31b4446da05f4842a246c92f4b65ef74 SHA-1: a64c6248cbe916e31a5ed284e13eb0deb437b66d SHA-256: 2f2979588b3c9c6235f7b59847289b2c1caf9b1913ba1189d22fcd454985d279
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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
  • 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.
  • 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://druttle.ru/wb?keyword=formal%20dining%20room%20sets%20for%20small%20spaces PDF link annotation
    • https://balikawe.weebly.com/uploads/1/3/4/6/134659528/1092797.pdfIn PDF document text
    • http://pomuropujuj.22web.org/43317251926.pdfIn PDF document text
    • http://1xbet-sportstavki.fun/voyage_a_venise_piano_sheet7o84l.pdfIn PDF document text
    • https://tujurexi.weebly.com/uploads/1/3/4/7/134743655/7085946.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379720/normal_6014fcbfa6148.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381541/normal_5fdc0dd326b2e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4453108/normal_600616294f8b3.pdfIn PDF document text
    • http://specrazreshenie.com/6855962321nwjn4.pdfIn PDF document text
    • https://latezuletarok.weebly.com/uploads/1/3/5/2/135298634/2853025.pdfIn PDF document text
    • http://kemotunitajifap.iblogger.org/50517606887.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4407304/normal_5fd9f28c290c0.pdfIn PDF document text
    • https://xuvuvigaxopezut.weebly.com/uploads/1/3/4/7/134721928/7350159.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4452381/normal_60164fc0b1263.pdfIn PDF document text
    • http://luxshop21.site/85967643221c15ax.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369516/normal_5fde0da3520da.pdfIn PDF document text
    • https://cdn.sqhk.co/bomoxale/ZKgjg3u/vagasazogotewolabuzofu.pdfIn PDF document text
    • https://cdn.sqhk.co/kewudomavave/ehhtqhe/vortex_cloud_gaming_mod_pc_download.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://lisokabosexipep.epizy.com/murodapasopupoduwepe.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_off0000e6e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6E5 5432 bytes
SHA-256: 9ec081388a21c563aa387d342765351aafa3af8f9d3e1c0f65310ce797410abb
font_01_sfnt_off0000f948.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF948 11048 bytes
SHA-256: 4d15e16e57e61134ea00acbd39e491581cd1024c29d2218c31d0ec3c23c30fea