Malicious PDF — malware analysis report

Static analysis result for SHA-256 e69bd55cfacb4f61…

MALICIOUS

PDF

18.7 KB Created: 2019-05-02 06:12:02 +01:00 Authoring application: mPDF 5.7
MD5: 9276fc1e7b74948d9984cd11bc2e8716 SHA-1: 0e1e34f18de1ecd94eb51b58d1f3530d6c2f7eac SHA-256: e69bd55cfacb4f61d6de8f7cd2d3aa6fa8925138b250551895416b6fc06d1724
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF document was identified as malicious due to a critical heuristic firing for a PDF SEO link farm. It contains numerous embedded links, with the primary domain being 'cefasfese.4pu.com'. While the document body is unreadable, the presence of a large number of external links suggests an attempt to manipulate search engine results or to redirect users to potentially malicious content hosted on these linked domains. No scripts were extracted from this sample.

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/3735732730731732/The-Survivors-by-Kate-Furnivall.pdf
    • http://cefasfese.4pu.com/6738737739734/The-Jewel-of-St-Petersburg-by-Kate-Furnivall.pdf
    • http://cefasfese.4pu.com/2735732731730730/The-Italian-Wife-by-Kate-Furnivall.pdf
    • http://cefasfese.4pu.com/2731737735736730/Shadows-on-the-Nile-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/2733737737739733/The-Other-Side-by-Kate-Granger.pdf
    • http://cefasfese.4pu.com/2731736736738737/The-Wrong-Side-of-Twenty-Five-by-Kate-Armitage.pdf
    • http://cefasfese.4pu.com/2732731736731735/Side-by-Side-Parallel-Histories-of-Israel-Palestine-by-Sami-Adwan.pdf
    • http://cefasfese.4pu.com/5731737739731734/Claiming-Abraham-Reading-the-Bible-and-the-Qur-an-Side-by-Side-by-Michael-E-Lodahl.pdf
    • http://cefasfese.4pu.com/6732730733734734/Jesus-and-Muhammad-Their-Messages-Side-by-Side-by-Louis-St-Michael.pdf
    • http://cefasfese.4pu.com/3732732732734731/Other-Side-of-Night-Bastian-amp-Riley-Other-Side-of-Night-1-by-S-L-Armstrong.pdf
    • http://cefasfese.4pu.com/3737736739739739/Side-by-Side-Apart-by-Ann-Galvia.pdf
    • http://cefasfese.4pu.com/4739738739732731/Kate-s-House-Kate-Alexander-2-by-Mary-Francis-Shura.pdf
    • http://cefasfese.4pu.com/8739731731737/The-Trouble-with-Murder-Kate-Ryan-3-by-Kate-Sweeney.pdf
    • http://cefasfese.4pu.com/9734739733739736/The-School-of-Shakspere-Histrio-Mastix-Or-the-Player-Whipt-the-Prodigal-Son-Jacke-Drums-Entertainement-a-Warning-for-Faire-Women-Faire-Em-the-Miller-s-Daughter-of-Manchester-an-Account-of-Robert-Greene-His-Life-and-Works-and-His-Attacks-on-Sha-by-Frederick-J-Furnivall.pdf
    • http://cefasfese.4pu.com/5738732739730732/The-Dark-Side-of-the-Moon-The-Dark-Side-of-the-Moon-Series-1-by-Reed-Piller.pdf
    • http://cefasfese.4pu.com/8739734732734/She-Waits-Kate-Ryan-1-by-Kate-Sweeney.pdf
    • http://cefasfese.4pu.com/9730733731738737/Kate-Morton-Collection-The-House-at-Riverton-The-Forgotten-Garden-amp-The-Distant-Hours-by-Kate-Morton.pdf
    • http://cefasfese.4pu.com/8736732731736/The-Wild-Side-The-Wild-Side-1-by-R-K-Lilley.pdf
    • http://cefasfese.4pu.com/3732732732734731/Other-Side-of-Night-Bastian-amp-Riley-Other-Side-of-

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