Malicious PDF — malware analysis report

Static analysis result for SHA-256 00dc8e8014a08c7f…

MALICIOUS

PDF

16.4 KB Created: 2019-05-27 11:04:57 +01:00 Authoring application: mPDF 5.7
MD5: bbabeb945195d3e7809464cc1720d279 SHA-1: 8edf401a6b0e3cda8c114da23a66b9bbecaf915f SHA-256: 00dc8e8014a08c7faaf2799b03c0958dda982469f64f4fe99e0ca1068a858bc3
92 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified as a link farm. While the specific URLs extracted appear benign, the heuristic suggests a pattern of SEO manipulation or potential redirection to 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 0.9811

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://cefasfese.4pu.com/6738737739734/The-Jewel-of-St-Petersburg-by-Kate-Furnivall.pdf
    • http://cefasfese.4pu.com/1730736737736/The-Jewel-of-St-Petersburg-The-Russian-Concubine-0-by-Kate-Furnivall.pdf
    • http://cefasfese.4pu.com/2739732736738730/The-Jewel-of-St-Petersburg-The-Russian-Concubine-3-by-Kate-Furnivall.pdf
    • http://cefasfese.4pu.com/3735732730731732/The-Survivors-by-Kate-Furnivall.pdf
    • http://cefasfese.4pu.com/4736734737734734/The-Far-Side-of-the-Sun-by-Kate-Furnivall.pdf
    • http://cefasfese.4pu.com/2731737735736730/Shadows-on-the-Nile-by-Kate-Furnivall.pdf
    • http://cefasfese.4pu.com/2735732731730730/The-Italian-Wife-by-Kate-Furnivall.pdf
    • http://cefasfese.4pu.com/9732734733736733/Hervormd-in-Sint-Petersburg-Verkenningen-Van-de-Geschiedenis-Van-de-Hollandse-Hervormde-Kerk-in-Sint-Petersburg-1717-1927-by-P-N-Holtrop.pdf
    • http://cefasfese.4pu.com/1738738734737733/The-Jewel-Series-Bundle-2-Emerald-Fire-amp-Topaz-Heat-The-Jewel-Trilogy-2-3-by-Hallee-Bridgeman.pdf
    • http://cefasfese.4pu.com/1733738735735737/The-Man-from-St-Petersburg-by-Ken-Follett.pdf
    • http://cefasfese.4pu.com/3735739730737736/Petersburg-by-Andrei-Bely.pdf
    • http://cefasfese.4pu.com/4733731731731/Petersburg-by-Andrei-Bely.pdf
    • http://cefasfese.4pu.com/6731737732739738/Akhmatova-s-Petersburg-by-Sharon-Leiter.pdf
    • http://cefasfese.4pu.com/3739737730738736/Midnight-in-St-Petersburg-by-Barbara-J-Webb.pdf
    • http://cefasfese.4pu.com/3734733739731732/The-Ladies-from-St-Petersburg-Three-Novellas-by-Nina-Berberova.pdf
    • http://cefasfese.4pu.com/5737732731734737/Pictures-at-an-Exhibition-A-Petersburg-Album-by-Philip-Metres.pdf
    • http://cefasfese.4pu.com/2732733739735730/33-Moments-of-Happiness-St-Petersburg-Stories-by-Ingo-Schulze.pdf
    • http://cefasfese.4pu.com/1730730732735737736/The-Romanov-Legacy-The-Palaces-of-St-Petersburg-by-Zoia-Belyakova.pdf
    • http://cefasfese.4pu.com/1730738736732734734/St-Petersburg-Madness-Murder-and-Art-on-the-Banks-of-the-Neva-by-Jonathan-Miles.pdf
    • http://cefasfese.4pu.com/1739734734731737/Paranormal-Petersburg-Virginia-and-the-Tri-Cities-Area-by-Pamela-K-Kinney.pdf

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