Malicious PDF — malware analysis report

Static analysis result for SHA-256 e41bc8d58c6b727b…

MALICIOUS

PDF

78.9 KB Created: 2021-02-25 16:05:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: 6bb15ac056aaf3655f587bc91032bdf4 SHA-1: ad71166f15794ad64ecf9f0174e5a1d4f6b59ef3 SHA-256: e41bc8d58c6b727b1658ab30ab17ac736fe848ec4e00791d88c80bb074ce76f4
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://maypoin.ru/123?utm_term=hamlet%2527s+mill+hardcover PDF link annotation
    • http://vitofemegawe.getenjoyment.net/tijanesutul.pdfIn PDF document text
    • http://befemuvejizu.22web.org/sojorovivesomarawidexed.pdfIn PDF document text
    • https://cdn.sqhk.co/wuvukidovime/gjidpDC/rode_videomic_pro_plus_price.pdfIn PDF document text
    • http://worelimupuvefam.mywebcommunity.org/90868955889.pdfIn PDF document text
    • http://jodopafipunew.22web.org/all_eyez_on_me_movie_3gp.pdfIn PDF document text
    • https://cdn.sqhk.co/tokarikadez/djcf7KW/island_defense_warcraft_3_reforged.pdfIn PDF document text
    • https://cdn.sqhk.co/difixoruze/hiaDKhg/sh_raza_universe.pdfIn PDF document text
    • http://fawikenaxalu.scienceontheweb.net/71252114212.pdfIn PDF document text
    • https://vodesaladamaju.weebly.com/uploads/1/3/5/2/135298616/texidovizo-lipamosubero-kijapon-bugaporese.pdfIn PDF document text
    • https://bojuwidus.weebly.com/uploads/1/3/4/6/134698781/8109270.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://wesufonezis.epizy.com/nurse_uniform_uk.pdfIn PDF document text
    • http://vubelifijam.atwebpages.com/bamuriwi.pdfIn PDF document text
    • http://kimajuj.epizy.com/nerekolabe.pdfIn PDF document text
    • http://vorisenunajix.myartsonline.com/8386863526.pdfIn PDF document text
    • https://s3.amazonaws.com/bubeto/64106911961.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_off0000f65a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF65A 5236 bytes
SHA-256: 750a11e41b0d3f18b794d8ae8649545ad939d45f7cc07996d0987b4eef6efb1b
font_01_sfnt_off00010802.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10802 12020 bytes
SHA-256: 3cda4d836a77e9e55ead00ae816641101491a63433d39694004e2d8da69fbe19