Malicious PDF — malware analysis report

Static analysis result for SHA-256 8cd69b1878f12e45…

MALICIOUS

PDF

59.1 KB Created: 2021-02-23 00:10:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 09470c18dbd50f08458fd620bf5a9f87 SHA-1: 3260616b6e7aa6fc4c0c812b4164a3cccb0ee82b SHA-256: 8cd69b1878f12e458bfb739e9b131b04f13d49223d5232e93c743dac3795ce34
124 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7822

Heuristics 4

  • 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
  • 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://seumenha.ru/aws?utm_term=python+dictionary+methods+w3schools PDF link annotation
    • https://cdn.sqhk.co/lesasafo/Sgmhiie/zirovi.pdfIn PDF document text
    • https://gibiboxovozigux.weebly.com/uploads/1/3/4/7/134722082/5909864.pdfIn PDF document text
    • https://fazugiwe.weebly.com/uploads/1/3/4/0/134012697/wuxowavemufu.pdfIn PDF document text
    • https://savibivo.weebly.com/uploads/1/3/1/3/131381036/dagerofumikejerunu.pdfIn PDF document text
    • http://hookup666.site/619770497414m3c6.pdfIn PDF document text
    • http://kayikciakademi.com/172308998652nin9.pdfIn PDF document text
    • https://mefupajudeto.weebly.com/uploads/1/3/4/8/134883840/5388618.pdfIn PDF document text
    • http://itawegan.fun/71864923083298nl.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/dutuzanob/81180407208.pdfIn PDF document text
    • https://s3.amazonaws.com/kakekojezutok/jesotigaresokevarotimipus.pdfIn PDF document text
    • http://batubegirego.rf.gd/son_chiraiya_movie.pdfIn PDF document text
    • https://s3.amazonaws.com/dozuga/diabetes_glucose_levels_nice_guidelines.pdfIn PDF document text
    • http://kigasuwixiw.epizy.com/cielo_zip_manual.pdfIn PDF document text
    • http://tawujarolepevid.rf.gd/the_logic_of_violence_in_civil_war_review.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d79b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD79B 5536 bytes
SHA-256: 325c07b20c121c9a490597b4f954811c6a2e68f81987b0a0d44b8309e1f174ad

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