Malicious PDF — malware analysis report

Static analysis result for SHA-256 442596a5c326017b…

MALICIOUS

PDF

16.4 KB Created: 2020-03-16 04:50:53 +00:00 Authoring application: mPDF 5.7
MD5: fc7267cb550f37bcf29578b29dfe1600 SHA-1: d0d748af1cb32f6eae760ed5eb36803edcfe9ce7 SHA-256: 442596a5c326017b75fe3d24c11eb9029608155c92c84b71afce3fe43fc0b559
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 pointing to a single domain, easckaolp.myhome.cx, which is indicative of an SEO poisoning or link farm attack. The ML classifier also flagged this PDF as malicious with high confidence. The embedded URLs are likely intended to redirect users to malicious content or further compromise attempts.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9811

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://easckaolp.myhome.cx/1840840840841847841/Zombie-Apocalypse-Horror-Hospital-by-Mark-Morris.pdf
    • http://easckaolp.myhome.cx/2841844840849844/Zombie-Apocalypse-2012-A-Political-Horror-Story-by-Ian-McClellan.pdf
    • http://easckaolp.myhome.cx/4843843843844/Death-amp-the-Zombie-Apocalypse-Zombie-Apocalypse-2-by-Chelsea-Luna.pdf
    • http://easckaolp.myhome.cx/4840846845841846/Zombie-Apocalypse-Fightback-Zombie-Apocalypse-2-by-Stephen-Jones.pdf
    • http://easckaolp.myhome.cx/1843842843843845/Revenge-amp-the-Zombie-Apocalypse-Zombie-Apocalypse-3-by-Chelsea-Luna.pdf
    • http://easckaolp.myhome.cx/4842849847841/Zombie-Apocalypse-Zombie-Apocalypse-1-by-Stephen-Jones.pdf
    • http://easckaolp.myhome.cx/3840847844845848/Zombie-War-An-account-of-the-zombie-apocalypse-that-swept-across-America-by-Nicholas-Ryan.pdf
    • http://easckaolp.myhome.cx/4844849840845845/Zombie-Country-Zombie-Apocalypse-2-by-Samantha-Hoffman.pdf
    • http://easckaolp.myhome.cx/1842846840845846/Zombie-Island-Zombie-Apocalypse-1-by-Samantha-Hoffman.pdf
    • http://easckaolp.myhome.cx/8844840846849848/Since-the-Sirens-Zombie-s-1st-Bite-Edition-Sirens-of-the-Zombie-Apocalypse-1-3-by-E-E-Isherwood.pdf
    • http://easckaolp.myhome.cx/3849844849844844/Apocalypse-Z-A-Zombie-Novel-by-G-E-Swanson.pdf
    • http://easckaolp.myhome.cx/3845846846844841/Apocalypse-Z-A-Zombie-Novel-by-G-E-Swanson.pdf
    • http://easckaolp.myhome.cx/1845844849849848/Zombie-Apocalypse-Now-by-Cliff-Murray.pdf
    • http://easckaolp.myhome.cx/6845842841849/Can-You-Survive-the-Zombie-Apocalypse-by-Max-Brallier.pdf
    • http://easckaolp.myhome.cx/3844849840849840/The-Man-From-U-N-D-E-A-D---Zombie-Apocalypse-Now-The-Man-From-U-N-D-E-A-D-2-by-Darren-Humphries.pdf
    • http://easckaolp.myhome.cx/2841844842845841/Vegan-Zombie-Apocalypse-by-Wol-vriey.pdf
    • http://easckaolp.myhome.cx/3845849849845844/Ground-Zero-A-Zombie-Apocalypse-by-Nicholas-Ryan.pdf
    • http://easckaolp.myhome.cx/2848849843844846/The-McClane-Apocalypse-Book-7-by-Kate-Morris.pdf
    • http://easckaolp.myhome.cx/2848849842842849/The-McClane-Apocalypse-Book-Nine-by-Kate-Morris.pdf
    • http://easckaolp.myhome.cx/2848849843846846/The-McClane-Apocalypse-Book-2-by-Kate-Morris.pdf
    • http://easckaolp.myhom

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