Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ae32c158317b149…

MALICIOUS

PDF

14.7 KB Created: 2020-03-18 21:21:55 +00:00 Authoring application: mPDF 5.7
MD5: adf138cc89cdffd7ef43a92569aaf531 SHA-1: 48b252231c41ad80e6ff9a9061b7fce46db2447d SHA-256: 1ae32c158317b149fbacd09a9eed7a62f33016495df1c232efeefa91a4cc1cee
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links to external PDF files, all hosted on the domain 'ieuicufioao.myhome.cx'. This technique is often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9798

Heuristics 2

  • 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.
  • 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://ieuicufioao.myhome.cx/4553550550554554/Summer-s-Lease-by-John-Mortimer.pdf
    • http://ieuicufioao.myhome.cx/3551559550558550/Charade-by-John-Mortimer.pdf
    • http://ieuicufioao.myhome.cx/4552559555553556/Rumpole-and-the-Man-of-God-by-John-Mortimer.pdf
    • http://ieuicufioao.myhome.cx/4551556553551554/The-Many-Adventures-of-Mortimer-Crump-Mortimer-s-Sweet-Retreat-by-Mandi-Tillotson-Williams.pdf
    • http://ieuicufioao.myhome.cx/7554558552553556/The-Dock-Brief-and-Other-Plays-by-John-Mortimer.pdf
    • http://ieuicufioao.myhome.cx/1559552551559558/Rumpole-of-the-Bailey-by-John-Mortimer.pdf
    • http://ieuicufioao.myhome.cx/7550557554553554/Rumpole-Misbehaves-by-John-Mortimer.pdf
    • http://ieuicufioao.myhome.cx/2559559551550556/The-Trials-of-Rumpole-by-John-Mortimer.pdf
    • http://ieuicufioao.myhome.cx/8550559559553556/Felix-in-the-Underworld-by-John-Mortimer.pdf
    • http://ieuicufioao.myhome.cx/2556557555556551/The-Little-Brothers-of-St-Mortimer-by-John-Fergus-Ryan.pdf
    • http://ieuicufioao.myhome.cx/2559559551550550/Rumpole-and-the-Golden-Thread-by-John-Mortimer.pdf
    • http://ieuicufioao.myhome.cx/4552559551554554/Rumpole-and-the-Primrose-Path-by-John-Mortimer.pdf
    • http://ieuicufioao.myhome.cx/2553550556557557/Rumpole-Rests-His-Case-by-John-Mortimer.pdf
    • http://ieuicufioao.myhome.cx/7550557554556554/A-Voyage-Round-John-Mortimer-by-Valerie-Grove.pdf
    • http://ieuicufioao.myhome.cx/2552553558554559/The-Lease-by-Mathew-Henderson.pdf
    • http://ieuicufioao.myhome.cx/9554550554552/What-Then-Raman-by-Shirley-Lease-Arora.pdf
    • http://ieuicufioao.myhome.cx/5550553554556555/Broken-World-by-Joseph-Lease.pdf
    • http://ieuicufioao.myhome.cx/4553551557559553/Arabel-and-Mortimer-Arabel-and-Mortimer-4-6-by-Joan-Aiken.pdf
    • http://ieuicufioao.myhome.cx/9557556559557555/My-First-Summer-in-the-Sierra-by-John-Muir.pdf
    • http://ieuicufioao.myhome.cx/4553550553552559/Engine-Summer-by-John-Crowley.pdf
    • http://ieuicufioao.myhome

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