Malicious PDF — malware analysis report

Static analysis result for SHA-256 6819ac10953a0b9c…

MALICIOUS

PDF

63.6 KB Created: 2021-02-18 23:40:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 2c6cf7de061a000e9e3407216ac8bb5d SHA-1: 9b34ba2a63d61bb1d041466a625319645fd63206 SHA-256: 6819ac10953a0b9cefa1dadbfde28747d2c53363f84c795ddb38c278f202c0b8
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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/wix?keyword=wendy+bagwell+and+the+sunliters+music PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4402507/normal_5fdfd001efab5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387811/normal_6029d9b962a9d.pdfIn PDF document text
    • http://debegezuvume.iblogger.org/lenomeviwekinosidetil.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369665/normal_601e117ec8bdf.pdfIn PDF document text
    • https://cdn.sqhk.co/mofosalamo/JMbyidC/ping_pong_3d_table_tennis_near_me.pdfIn PDF document text
    • https://cdn.sqhk.co/wubunepan/6jbhafX/4672186900.pdfIn PDF document text
    • https://cdn.sqhk.co/gefimiwotux/Jji0f2N/jewijetonujisatoro.pdfIn PDF document text
    • https://cdn.sqhk.co/fezivabuja/iezeAji/94371388867.pdfIn PDF document text
    • http://vumoramoguko.22web.org/gakapizege.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://susupufewowe.epizy.com/pichuva_kathi_video_song_free.pdfIn PDF document text
    • http://dinixebun.epizy.com/takamubaxawugazowalise.pdfIn PDF document text
    • https://s3.amazonaws.com/kegubinefuda/60931446872.pdfIn PDF document text
    • http://valopuloti.rf.gd/sherlock_holmes_novels_sinhala_free.pdfIn PDF document text
    • https://s3.amazonaws.com/rimejiguvif/ada_testimony_video_free.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_off0000bb16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBB16 5700 bytes
SHA-256: f2a5bb2b24d00cb756c1ecf47e4172c93b9f10e3eae426c5d8b1da1c5e37ff20
font_01_sfnt_off0000ce6e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE6E 10264 bytes
SHA-256: c7e2be934cff49cf4014400422d2cff36a5c979f4e37e9aebddbb8ab53dd9fc8