Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e5dd05551d9d043…

MALICIOUS

PDF

65.2 KB Created: 2021-02-19 12:50:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: 89c2bc33840098681dbe6c25c105c4f6 SHA-1: 5107f3dc73d293d8980fac0ee849ae4e0ba7907d SHA-256: 2e5dd05551d9d043eed992af2829c99e1b456bf6f5bcfc535c442306710650f9
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://druttle.ru/strik?utm_term=dyson+cinetic+big+ball+animal+allergy+upright+vacuum+nickel+refurbished PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4473616/normal_60290de4b8bcd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4472753/normal_600a73285e402.pdfIn PDF document text
    • http://xilagima.66ghz.com/albert_schweitzer_biography.pdfIn PDF document text
    • http://uose.xyz/461638577243xhmq.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4411229/normal_5ff6594ae1a31.pdfIn PDF document text
    • http://dolobovofozuz.22web.org/stratigraphy_of_benue_trough.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416930/normal_602589ea10076.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4425921/normal_5fe03f3b63a29.pdfIn PDF document text
    • http://microdigitalmeter.xyz/85824957736s7stc.pdfIn PDF document text
    • http://nazulemijoxamif.iblogger.org/86836714503.pdfIn PDF document text
    • https://woniwisupu.weebly.com/uploads/1/3/4/2/134266019/758ad797c317.pdfIn PDF document text
    • http://shoop-fn.ru/soft_sheets_as_seen_on_tvqm92a.pdfIn PDF document text
    • https://paxiguvemogi.weebly.com/uploads/1/3/4/3/134317910/2310748.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/rolefosiju/dabixe.pdfIn PDF document text
    • http://fudewalazakukug.epizy.com/jejenuratilerosodumugaw.pdfIn PDF document text
    • https://s3.amazonaws.com/zugutixe/arabic_english_bible.pdfIn PDF document text
    • https://s3.amazonaws.com/nevovumowa/hollywood_actor_movie.pdfIn PDF document text
    • http://loxosufodu.epizy.com/dixatotuperubinodumefe.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_off0000c111.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC111 5932 bytes
SHA-256: 6a4d50a612251a8c96ca014d8f7046f7f59d78ca4544ea0fd26a885304efe173
font_01_sfnt_off0000d52b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD52B 9940 bytes
SHA-256: aa6bc2477cb4271053ed0d6951ba721e162ef415ffd1d906965f009ae1b06660