Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e854d8a6430df1a…

MALICIOUS

PDF

16.9 KB Created: 2020-03-18 21:04:56 +00:00 Authoring application: mPDF 5.7
MD5: f465de5f8ca397f8c9c7665eb875f5ba SHA-1: e6b82ca95e0944ef31fb0674a59b800bece90ce1 SHA-256: 8e854d8a6430df1add78c61f479e6ed64ced2d698836cbb1a0ac5e3b8909436f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded links to external PDF files, all hosted on the domain 'calistazz.myhome.cx'. This technique is often used to distribute malicious content or to engage in SEO poisoning to drive traffic to malicious sites. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9787

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://calistazz.myhome.cx/8869866864868861/Caravaggio-painter-on-the-run-by-Marissa-Moss.pdf
    • http://calistazz.myhome.cx/5862863862867863/Mighty-Jackie-The-Strike-Out-Queen-by-Marissa-Moss.pdf
    • http://calistazz.myhome.cx/2862866868869865/Blood-Diaries-Tales-of-a-6th-Grade-Vampire-by-Marissa-Moss.pdf
    • http://calistazz.myhome.cx/2868860862863/A-Soldier-s-Secret-The-Incredible-True-Story-of-Sarah-Edmonds-Civil-War-Hero-by-Marissa-Moss.pdf
    • http://calistazz.myhome.cx/3867863861867864/Amelia-s-Most-Unforgettable-Embarrassing-Moments-Amelia-s-Notebooks-16-by-Marissa-Moss.pdf
    • http://calistazz.myhome.cx/2864861868867866/Amelia-Writes-Again-Amelia-s-Notebooks-2-by-Marissa-Moss.pdf
    • http://calistazz.myhome.cx/3867863861865867/Luv-Amelia-Luv-Nadia-Amelia-s-Notebooks-6-by-Marissa-Moss.pdf
    • http://calistazz.myhome.cx/2863862863860863/Mira-s-Diary-Home-Sweet-Rome-Mira-s-Diary-2-by-Marissa-Moss.pdf
    • http://calistazz.myhome.cx/2863862862869864/Mira-s-Diary-Lost-in-Paris-Mira-s-Diary-1-by-Marissa-Moss.pdf
    • http://calistazz.myhome.cx/4865867865869866/Mira-s-Diary-Bombs-Over-London-Mira-s-Diary-3-by-Marissa-Moss.pdf
    • http://calistazz.myhome.cx/1861868868865867/Bill-Moss-Fabric-Artist-and-Designer-by-Marilyn-Moss.pdf
    • http://calistazz.myhome.cx/1869867862862868/The-Earth-Painter-Painter-1-by-Melissa-Turner-Lee.pdf
    • http://calistazz.myhome.cx/2867869860867863/The-Earth-Painter-Painter-1-by-Melissa-Turner-Lee.pdf
    • http://calistazz.myhome.cx/5866869862860/The-Earth-Painter-Painter-1-by-Melissa-Turner-Lee.pdf
    • http://calistazz.myhome.cx/2860861860860860/Falling-Colours-The-Misadventures-of-a-Vision-Painter-The-Vision-Painter-1-by-R-J-Samuel.pdf
    • http://calistazz.myhome.cx/8869866864867862/Caravaggio-by-Renato-Guttuso.pdf
    • http://calistazz.myhome.cx/8869866863863863/Caravaggio-A-Life-by-Helen-Langdon.pdf
    • http://calistazz.myhome.cx/8869866866869867/Caravaggio-and-His-Legacy-by-J-Patrice-Marandel.pdf
    • http://calistazz.myhome.cx/1860865865866869/Saving-Caravaggio-by-Neil-Griffiths.pdf
    • http://calistazz.myhome.cx/8869866866868865/Caravaggio-The-Art-of-Realism-by-John-Varriano.pdf
    • http://calistazz.myhome.cx/2863862862869864/Mira-s-Diary-Lost-in-Paris-Mira

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