Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce1add4bce95e627…

MALICIOUS

PDF

71.0 KB Created: 2021-02-02 12:40:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 24636fed17b598bbe1db42df5316a1d9 SHA-1: 5fb9a59d22e7b1d416ed314162113e57be11fd63 SHA-256: ce1add4bce95e6271e04cd7e3204158da38ec153529c4e8702f8c8bef6ca1e7c
126 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
  • 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/123?utm_term=pink+lemonade+pie+with+kool+aid PDF link annotation
    • http://gachihyper.xyz/2384901751kbcox.pdfIn PDF document text
    • http://avtoshtorki.shop/67398900185xlu9f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4387928/normal_60064e0722a82.pdfIn PDF document text
    • https://cdn.sqhk.co/ragojagef/VSjbBgj/kings_smash_repairs_eden.pdfIn PDF document text
    • http://nunixofu.22web.org/word_quote_template_uk.pdfIn PDF document text
    • https://cdn.sqhk.co/gawagunikuw/8Bb1NGX/miwepupodedesexukivipog.pdfIn PDF document text
    • http://losqutoq.online/carroll_county_arkansas_jail_reportw23qp.pdfIn PDF document text
    • https://cdn.sqhk.co/xederebat/jRuhbhV/41315657594.pdfIn PDF document text
    • http://interbankdigital.com/bus_simulator_ultimate_more_routeskavd2.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://lojuwuwa.rf.gd/business_style_letter_format.pdfIn PDF document text
    • http://gogozibopuxut.epizy.com/64850426370.pdfIn PDF document text
    • http://gojaxuga.epizy.com/80544274037.pdfIn PDF document text
    • https://s3.amazonaws.com/xurixado/winirirevejew.pdfIn PDF document text
    • http://kesekerezox.epizy.com/96580914750.pdfIn PDF document text
    • https://s3.amazonaws.com/donake/tilipizatukofixuboxijumek.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_off0000d93d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD93D 5084 bytes
SHA-256: 969fb829776bf180a721d6c83f6d26cdeef9f9e9fe19b816c113e1d77693ea0b
font_01_sfnt_off0000ea74.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA74 10908 bytes
SHA-256: f71d0f5c4710c632039388e4eec3a9a8c9b0503e4b08f5b17e289dac1b5ad256