Malicious PDF — malware analysis report

Static analysis result for SHA-256 66dbb787e13eccae…

MALICIOUS

PDF

114.8 KB Created: 2020-12-26 16:43:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-07-18
MD5: b4b43bebe74b9fbaeec090ad4fb71e34 SHA-1: 072558d2204a4061b04e6a525d813cabd49e074b SHA-256: 66dbb787e13eccae72d4b7adeb315812f3859c0566ba2f4513412a8b1f87bec9
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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 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.
  • 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://trafffe.ru/wb?keyword=at&%20t%20device%20unlock%20support%20phone%20number PDF link annotation
    • https://fipaziditude.weebly.com/uploads/1/3/4/4/134465794/4186015.pdfIn PDF document text
    • https://wujadadi.weebly.com/uploads/1/3/1/0/131070572/3df782f7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4456387/normal_5fb3ecc9db377.pdfIn PDF document text
    • https://s3.amazonaws.com/wokesabisevo/all_songs_of_chakravartin_ashoka_samrat.pdfIn PDF document text
    • https://s3.amazonaws.com/tuzakifezara/wheel_of_time_game_snakes_and_foxes_rules.pdfIn PDF document text
    • https://s3.amazonaws.com/migivewuwe/mimuvivufipolikufezugi.pdfIn PDF document text
    • https://nanezafukixepa.weebly.com/uploads/1/3/4/5/134526153/7812676.pdfIn PDF document text
    • https://rujupiben.weebly.com/uploads/1/3/4/8/134852491/dbc8c1.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off00014ff4.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off00014ff4.bin)
    • https://uploads.strikinglycdn.com/files/f8a92b67-ff48-4427-b68d-67df3312455b/59442458191.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5e157ece-5dc9-4324-bdf5-220253ec10ef/jaduletibobomemile.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/65b7b03a-4cd0-4709-bab3-8bfc2cb78dd4/19046113267.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/556ecd67-7af0-4ca1-96af-9311acafb24c/rabupusel.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 extracted file (font_01_sfnt_off00014ff4.bin)
    • http://dejavu.sourceforge.netIn extracted file (font_03_sfnt_off00019d99.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_03_sfnt_off00019d99.bin)

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00013c70.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13C70 5556 bytes
SHA-256: 18e72a58af049b7edce98db5ce9e9e98e223ea13655df14ad681232ae74cbb6e
font_01_sfnt_off00014ff4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14FF4 4144 bytes
SHA-256: 7f306a486e5f986276f0e5f4d40cf715488b123effb83fb6438dc5b286cd63ee
font_02_sfnt_off00015e16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15E16 22104 bytes
SHA-256: 4dbfcfe5cd786cd3d64f05953971676ebe08b6f7550770a93b079c13f497a339
font_03_sfnt_off00019d99.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19D99 19332 bytes
SHA-256: dd7f55b3d2b91cd4fab02d6dc69af6cfda5430ff607645f3f07a1c46cbfe6645