Malicious PDF — malware analysis report

Static analysis result for SHA-256 5f1a28aa01667c22…

MALICIOUS

PDF

61.3 KB Created: 2021-03-27 18:26:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fc5e08610234664b8b6a39bb1251db2b SHA-1: 3f059c4eedaf926adcc5c59fe3fef62bfc21ba31 SHA-256: 5f1a28aa01667c22a57b191545e39bb42b6c88be35772decd175dd98d6d2bebc
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains a large number of external links, many of which are dynamically generated and point to potentially malicious domains. The heuristic 'PDF_SEO_LINK_FARM' indicates a deliberate attempt to create a link farm, likely to distribute malware or conduct phishing. The ML classifier and ClamAV detection further support its malicious nature. No scripts were extracted, but the presence of numerous external links suggests an attempt to redirect the user to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9908

Heuristics 4

  • 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.
  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://jottigo.ru/award?keyword=rapidex+english+speaking+course+bangla+pdf+download
    • https://bakigimos.weebly.com/uploads/1/3/4/3/134322269/texarog-telewe-lidovugurakum-bivojiz.pdf
    • http://timurberg.ru/calvin_and_hobbes_wallpaper_pc8c43p.pdf
    • https://jadojojipolukot.weebly.com/uploads/1/3/5/3/135337887/1823156.pdf
    • https://cdn-cms.f-static.net/uploads/4446147/normal_603d2d07a6a87.pdf
    • http://sexedate69.site/sedat_uan_annem_ilahi_mp3_indiru4pff.pdf
    • http://cardio-natural.info/tizabesie5as1.pdf
    • https://cdn-cms.f-static.net/uploads/4462096/normal_60511fd6656fa.pdf
    • https://cdn-cms.f-static.net/uploads/4408707/normal_6028a23ca8846.pdf
    • https://vojizozovogimum.weebly.com/uploads/1/3/0/7/130740342/tupagizexut.pdf
    • https://cdn-cms.f-static.net/uploads/4493282/normal_5fd0b568e5e93.pdf
    • https://cdn-cms.f-static.net/uploads/4411493/normal_604d23911b033.pdf
    • http://vsspb.ru/standard_form_vertex_form_and_factored_form_worksheetm99i6.pdf
    • http://idealica-italiaufficiale.site/jofurejafomadeletugijil3ret.pdf
    • https://cdn-cms.f-static.net/uploads/4445544/normal_5fd6746e19933.pdf
    • https://zugenavupofo.weebly.com/uploads/1/3/4/3/134379337/14679d.pdf
    • https://madugonado.weebly.com/uploads/1/3/2/8/132815119/25ff36.pdf
    • https://cdn-cms.f-static.net/uploads/4424011/normal_60413e416e181.pdf
    • https://uploads.strikinglycdn.com/files/9d470df0-a7c8-4eef-b5d7-ccefd355c7ac/hp_officejet_4500_wireless_software_free_download.pdf
    • https://uploads.strikinglycdn.com/files/0aaedb8b-4a0d-4c8a-962b-c1fee34e9c4d/zatamesowesaze.pdf
    • https://uploads.strikinglycdn.com/files/61160690-628b-42ad-af58-a81aee5d8c53/tortilla_flat_audiobook.pdf
    • https://uploads.strikinglycdn.com/files/e99b38de-8bca-433a-9737-7bfdf9c57499/dadelejut.pdf

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