Malicious PDF — malware analysis report

Static analysis result for SHA-256 617f7eae81a1bb9e…

MALICIOUS

PDF

30.1 KB Created: 2020-03-24 02:09:15 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: cca429aa0580458fa0ff199fe4e6ef9c SHA-1: 6a9e97d498d04f429d469d0617a6e3e1da95997b SHA-256: 617f7eae81a1bb9e66453b78530ceb3353680fdf4babf5639b2e04ccd00b6f8c
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on unrelated domains, suggesting a link farm or content distribution network. The ML_NYX_PDF_MALICIOUS heuristic also strongly indicates malicious intent. The primary goal appears to be directing users to external resources, potentially for SEO manipulation or to serve malicious payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 3

  • 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
  • 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 http://badassmortgageguy.com/uploads/1/3/0/8/130874118/130874118.html#metodo+cuantitativo+caracteristicas+y+ejemplos
    • http://myworldharvestchurch.com/uploads/1/3/0/7/130776716/vilodaludel_kugufeb_saxen_gusadiwipeki.pdf
    • http://islastanich.com/uploads/1/3/0/5/130539084/jojejidakavugapovar.pdf
    • http://americanhomesteadmercantile.com/uploads/1/3/1/1/131164392/6918831.pdf
    • http://vinelandchemistrytutor.com/uploads/1/3/0/6/130605108/57f5eb273822b13.pdf
    • http://laura-baldwin.com/uploads/1/3/0/4/130436426/tawelonetul_tuvanimugamaw_wekaxene_tevikusamikarud.pdf
    • http://www.flowersandfungi.org/uploads/1/3/0/3/130379246/d5b1bec5ae3.pdf
    • http://wilestherapy.com/uploads/1/3/1/0/131070972/topubawujalix.pdf
    • http://jwsantizing.org/uploads/1/3/0/4/130489102/3141938.pdf
    • http://gabiecphotography.com/uploads/1/3/0/2/130289315/6046d5f154e1.pdf
    • http://alisonjaynecouture.co.uk/uploads/1/3/0/6/130620563/31920fe.pdf
    • http://nationalriskmanagementgroup.com/uploads/1/3/0/5/130540897/d1e07f1354adf30.pdf
    • http://www.sacjskitchener.com/uploads/1/3/0/7/130738887/786621d.pdf
    • http://www.hangarlist.com/uploads/1/3/0/6/130622083/dotokosotidune_javuziza_lojipakonize_sorajizeresolek.pdf
    • http://therealsolutionsllc.com/uploads/1/3/0/6/130604733/7907527.pdf
    • http://74-123-76-107.mgwnet.com/uploads/1/3/0/6/130603896/kabokoku_zibazinowaj.pdf
    • http://phsbasbaskel.com/uploads/1/3/0/6/130639019/17fb17318a7d6.pdf
    • http://myluriyubodyscrubs.com/uploads/1/3/0/7/130739141/63e393ea155a.pdf

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