Malicious PDF — malware analysis report

Static analysis result for SHA-256 3526880e6f703c4a…

MALICIOUS

PDF

73.0 KB Created: 2021-02-28 05:42:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 64aac4a3d4aa8ceab9b82a71f6702ffd SHA-1: 679b4dc38940cccceece568758666d6598b3c8f8 SHA-256: 3526880e6f703c4a447cd5433da07f78e82ca676f8f971a38f645e0ea96b81cf
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
    Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://janolonixo.weebly.com/uploads/1/3/3/9/133987325/bf75a4fe.pdf.
  • 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://leonvi.ru/wix?keyword=subjective+ethical+relativism+examples PDF link annotation
    • http://nonowun.mywebcommunity.org/denasanipakibe.pdfIn PDF document text
    • https://janolonixo.weebly.com/uploads/1/3/3/9/133987325/bf75a4fe.pdfIn PDF document text
    • https://bawilizutiv.weebly.com/uploads/1/3/4/4/134477944/ririwunutam.pdfIn PDF document text
    • https://wuguruxozoza.weebly.com/uploads/1/3/4/0/134040539/baaa89679.pdfIn PDF document text
    • https://lunidopufakim.weebly.com/uploads/1/3/4/4/134482460/9c31ccf1d64.pdfIn PDF document text
    • https://cdn.sqhk.co/molavagew/9iajhiK/31324860122.pdfIn PDF document text
    • https://gopogaxewose.weebly.com/uploads/1/3/4/0/134013169/sekaberepuj.pdfIn PDF document text
    • https://bovakexigi.weebly.com/uploads/1/3/5/3/135314068/6380acd.pdfIn PDF document text
    • http://fupemagis.mywebcommunity.org/23592580442.pdfIn PDF document text
    • https://cdn.sqhk.co/gozolosew/Lhcjbja/armaan_malik_songs_ringtone_download_pagalworld.pdfIn PDF document text
    • https://kijabejinal.weebly.com/uploads/1/3/0/9/130969506/553889.pdfIn PDF document text
    • https://nalodewemutut.weebly.com/uploads/1/3/1/1/131164475/7720473.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://vubukenod.rf.gd/fugewivakajiguzosis.pdfIn PDF document text
    • http://sogoxutagejuno.atwebpages.com/28467372961.pdfIn PDF document text
    • http://wugujub.onlinewebshop.net/how_to_print_in_color_on_kyocera_printer.pdfIn PDF document text
    • https://s3.amazonaws.com/jeromopelurab/summary_of_all_accounting_standards.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_off0000e0cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0CF 5620 bytes
SHA-256: 4882a8b58652f826f6bd1ae28502252d269a008091b94844449f4dc32187545c
font_01_sfnt_off0000f3ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3CA 10388 bytes
SHA-256: 982f252d634cd3f60ac4b719dd2c030b26a6de4e17c74c7240c69914b6b78874