Malicious PDF — malware analysis report

Static analysis result for SHA-256 cda6baedb43af0ec…

MALICIOUS

PDF

78.7 KB Created: 2021-02-08 17:47:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: ee84b4a0c9228b4782c49f058a1d637a SHA-1: 30a37e3c7cc691f398ffe20eb14bec4f9560c388 SHA-256: cda6baedb43af0ece5dc686fae3094aee78d526585d41d3a741d78a46465cb9e
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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.
  • 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/wb?keyword=abscess%20formation%20pathology%20outline PDF link annotation
    • https://fenipedixov.weebly.com/uploads/1/3/5/3/135385823/9624355.pdfIn PDF document text
    • https://sujarusokebukok.weebly.com/uploads/1/3/1/4/131437349/6280d1c13.pdfIn PDF document text
    • https://kibanelamuvudu.weebly.com/uploads/1/3/0/9/130969844/genumajubimev-muribofege-piforodajakug.pdfIn PDF document text
    • https://xawizavikerid.weebly.com/uploads/1/3/4/5/134525990/4668193.pdfIn PDF document text
    • https://rogejizerabori.weebly.com/uploads/1/3/4/7/134763318/madiwuliboju.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4449965/normal_5fc59d8061fc5.pdfIn PDF document text
    • https://jukovuwivoxufab.weebly.com/uploads/1/3/3/9/133997180/wevapemeku-kupibewovafi-bajanawurov-tupeginet.pdfIn PDF document text
    • https://vowexigap.weebly.com/uploads/1/3/1/6/131636774/jerorajuraxana.pdfIn PDF document text
    • https://xalojuxovev.weebly.com/uploads/1/3/0/7/130774978/13a79fac030.pdfIn PDF document text
    • https://lixawedubofalat.weebly.com/uploads/1/3/1/4/131407760/1095830.pdfIn PDF document text
    • https://www.pathologyIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://luzutajezilako.rf.gd/multithreading_interview_questions_and_answers_in_c.pdfIn PDF document text
    • https://s3.amazonaws.com/fapaga/warubulilosalabixaxu.pdfIn PDF document text
    • https://s3.amazonaws.com/wizuluworafid/accident_report_form_ca_dmv.pdfIn PDF document text
    • http://tikolikenugim.epizy.com/reading_comprehension_sequencing_worksheets_4th_grade.pdfIn PDF document text
    • http://safatagikev.rf.gd/xml_formatting_intellij.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_off0000f6d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF6D7 5660 bytes
SHA-256: bc1dc640d711889d34b793ef9b53def69ab2ec1bbcc1b238c2e2d3d5c474f366
font_01_sfnt_off00010a02.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A02 10672 bytes
SHA-256: 808dfc2a5186a5a3a990d245fc75bf8f8e7135785f4d2f93a52814d7a4295220

Open this report in the interactive analyzer, or submit your own file for analysis.