Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2863a6c447e4a71…

MALICIOUS

PDF

17.3 KB Created: 2020-03-17 04:04:30 +00:00 Authoring application: mPDF 5.7
MD5: 3566b16201445c4f3c06809583d7abfe SHA-1: 8cf6c9ade44dfe213997bb2367e99b03d288055f SHA-256: d2863a6c447e4a71b8f1da90d917880848e1cb9b440f773c4cd7095226004c2e
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded URLs, identified as a link farm. The ML classifier also flagged this PDF as malicious with high confidence. The primary attack pattern appears to be SEO poisoning or directing users to potentially malicious content hosted on numerous subdomains. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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://owlaokopdf.myhome.cx/9816681638162/Vampire-Academy-The-Graphic-Novel-Vampire-Academy-The-Graphic-Novel-1-by-Richelle-Mead.pdf
    • http://owlaokopdf.myhome.cx/181648167816881648163/Shadow-Kiss-The-Graphic-Novel-Vampire-Academy-The-Graphic-Novel-3-by-Richelle-Mead.pdf
    • http://owlaokopdf.myhome.cx/581638168816681618165/Vampire-Academy-Vampire-Academy-1-by-Richelle-Mead.pdf
    • http://owlaokopdf.myhome.cx/381648167816481648169/Vampire-Academy-Vampire-Academy-1-by-Richelle-Mead.pdf
    • http://owlaokopdf.myhome.cx/38162816181628163/Vampire-Academy-Vampire-Academy-1-by-Richelle-Mead.pdf
    • http://owlaokopdf.myhome.cx/181688163816481648165/Vampire-Academy-Vampire-Academy-1-by-Richelle-Mead.pdf
    • http://owlaokopdf.myhome.cx/48164816981628168/Vampire-Academy-Vampire-Academy-1-by-Richelle-Mead.pdf
    • http://owlaokopdf.myhome.cx/78160816781658168/Vampire-Academy-Vampire-Academy-1-by-Richelle-Mead.pdf
    • http://owlaokopdf.myhome.cx/281648169816881608161/Last-Sacrifice-Vampire-Academy-6-by-Richelle-Mead.pdf
    • http://owlaokopdf.myhome.cx/88168816481638166/Last-Sacrifice-Vampire-Academy-6-by-Richelle-Mead.pdf
    • http://owlaokopdf.myhome.cx/78169816581638168/Last-Sacrifice-Vampire-Academy-6-by-Richelle-Mead.pdf
    • http://owlaokopdf.myhome.cx/481608166816081698168/Blood-Promise-Vampire-Academy-4-by-Richelle-Mead.pdf
    • http://owlaokopdf.myhome.cx/18160816881638160/Blood-Promise-Vampire-Academy-4-by-Richelle-Mead.pdf
    • http://owlaokopdf.myhome.cx/481668160816581658166/Spirit-Bound-Vampire-Academy-5-by-Richelle-Mead.pdf
    • http://owlaokopdf.myhome.cx/481608166816081698166/Shadow-Kiss-Vampire-Academy-3-by-Richelle-Mead.pdf
    • http://owlaokopdf.myhome.cx/281608169816781668164/Shadow-Kiss-Vampire-Academy-3-by-Richelle-Mead.pdf
    • http://owlaokopdf.myhome.cx/58165816581648161/Blood-Promise-Vampire-Academy-4-by-Richelle-Mead.pdf
    • http://owlaokopdf.myhome.cx/481638167816181658162/Frostbite-Dimitri-s-POV-Vampire-Academy-2-1-by-Shelby-Petrie.pdf
    • http://owlaokopdf.myhome.cx/1816181638166816881648167/Livros-de-Fantasia-Alice-No-Pais-Das-Maravilhas-Vampire-Academy-as-Aventuras-de-Pinoquio-Literatura-Fantastica-the-Lightning-Thief-Eragon-by-Source-Wikipedia.pdf
    • http://owlaokopdf.myhome.cx/481608163816881628168/The-Academy-Making-of-a-Ruler-The-Eagle-King-s-Academy-1-by-C-C-Mon-.pdf
    • http://owlaokopdf.myhome.cx/88168816481638166/Last-Sacrifice-Vampire-Academy-6-by-Ri

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