Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ad875bb6fbc6fe6…

MALICIOUS

PDF

71.5 KB Created: 2021-02-16 00:56:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 6bd02b7c123f51a7233e9adbe10ec6f6 SHA-1: f53f1814669fe291429c240c63050a947bec5ebd SHA-256: 2ad875bb6fbc6fe6355681434de00cffa5e67a80ed738ea9b340c0e404454fc9
134 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains numerous embedded URLs, many of which are hosted on disposable domains and appear to be part of a link farm designed to redirect users to malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The presence of a 'download' lure further supports this, suggesting the PDF is a deceptive document intended to trick users into visiting a compromised URL.

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 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=tintin+cartoon+full+movie+download+dual+audio+720p PDF link annotation
    • http://xekuluw.iblogger.org/filasejatenije.pdfIn PDF document text
    • http://fb-copyright-help-from.com/67589307151ifouw.pdfIn PDF document text
    • http://hushseo.online/gadibitqy43w.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4460255/normal_5ff32ea05756f.pdfIn PDF document text
    • http://inmyshtangen.xyz/slugfest_pinball_manualgvjau.pdfIn PDF document text
    • http://xitnet.fun/80781523861y7flx.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4411915/normal_5ff0dd8f8c4ba.pdfIn PDF document text
    • http://lnstagramservicecopyrights.com/leong_hup_international_sdn_bhd_annual_reportvzen6.pdfIn PDF document text
    • http://ig-copyrightnotice.com/amnesia_treatment_guideline2z0u7.pdfIn PDF document text
    • http://copyright-helps-team.com/50463348550o9mtb.pdfIn PDF document text
    • http://importants.space/22093650376r2ja7.pdfIn PDF document text
    • http://shopsmmv.site/algorithm_flowchart_and_pseudocodesxr7x.pdfIn PDF document text
    • http://idealica-italiaufficiale.site/36185377019p6q0a.pdfIn PDF document text
    • http://899themes-demo.ru/kavegaxudopopemewijifqezoh.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://jaberorer.epizy.com/manual_de_riesgos_laborales_ecuador.pdfIn PDF document text
    • http://jeburam.epizy.com/busoba.pdfIn PDF document text
    • http://mipuxezodovepe.rf.gd/mlb_braves_uniform.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_off0000d9a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD9A9 5576 bytes
SHA-256: 3d6003130964b399fbcf93d6e1683020c376843287e3d152a26929fbe603ff4f
font_01_sfnt_off0000ecaa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xECAA 10572 bytes
SHA-256: 15938dad012304ebe0ac3bba2e928402bada0279f5b54ec85e7fdcdb49ef4d5b

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