Malicious PDF — malware analysis report

Static analysis result for SHA-256 29c32f7797176bef…

MALICIOUS

PDF

73.6 KB Created: 2021-03-02 13:47:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: b7f5e060627ae2ac5727f55759f43f47 SHA-1: ffd7d399aa05430422e5fd9aebc1827b38e1e880 SHA-256: 29c32f7797176bef3b542a3981351ef239877e9a8aae963b4f3a8ac8e92e6d38
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://botokaw.ru/wix?keyword=royal+envoy+2+walkthrough+level+51 PDF link annotation
    • http://ritivukepexu.22web.org/69738803782.pdfIn PDF document text
    • http://worelimupuvefam.mywebcommunity.org/jegopunijuzo.pdfIn PDF document text
    • https://cdn.sqhk.co/butiluluvuk/Wigyhht/dead_trigger_3_android.pdfIn PDF document text
    • https://naxosetoj.weebly.com/uploads/1/3/0/7/130775404/lesizota-rafugoviner.pdfIn PDF document text
    • https://dikarofojosej.weebly.com/uploads/1/3/3/9/133988548/4770664.pdfIn PDF document text
    • https://kagamufoxigog.weebly.com/uploads/1/3/4/0/134013308/917668.pdfIn PDF document text
    • https://jedurabononip.weebly.com/uploads/1/3/1/4/131453193/pipef_tarerijaxuze.pdfIn PDF document text
    • https://cdn.sqhk.co/tiwopaperuv/fijhfib/tufoguvemureluz.pdfIn PDF document text
    • http://topemuliras.22web.org/zopudavibo.pdfIn PDF document text
    • https://bosamekuxukis.weebly.com/uploads/1/3/4/6/134672370/3473796.pdfIn PDF document text
    • http://rosutob.getenjoyment.net/piwozoxodemikijesatifesag.pdfIn PDF document text
    • http://rabuvuz.iblogger.org/55705004301.pdfIn PDF document text
    • https://cdn.sqhk.co/jeforije/fRgiicA/3261521473.pdfIn PDF document text
    • http://taxokijoba.sportsontheweb.net/22652764052.pdfIn PDF document text
    • https://cdn.sqhk.co/xovinexesun/ghehe9S/39996604440.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zewipidurat.epizy.com/dewurugizukij.pdfIn PDF document text
    • http://fonimegalidoxu.epizy.com/worksheet_for_cardinal_ordinal_numbers.pdfIn PDF document text
    • http://sulisufegetu.epizy.com/is_the_honest_company_safe_during_pregnancy.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_off0000e2d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2D7 5404 bytes
SHA-256: be8c81519deff769a67bcfba55ff2c266a7428250d75711c589c0794b31e8d39
font_01_sfnt_off0000f560.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF560 10572 bytes
SHA-256: 9e24371d7aa108028910012ff4b6b55f27ff77f950d1733e6315255c561e4b30

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