Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c276d8f1a739da6…

MALICIOUS

PDF

19.0 KB Created: 2019-05-02 07:54:42 +01:00 Authoring application: mPDF 5.7
MD5: 6c5e39b8124cf557d5295a52bf0f7ac0 SHA-1: aad5bace6c55633a701e96a97698a07792fee0b5 SHA-256: 7c276d8f1a739da65b81dd4cad3c929328789c5926b20841cad565ab86189f40
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm. The ML classifier also flagged this PDF as malicious. The primary attack pattern involves directing users to external resources, potentially for SEO spam or to host further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/4738738739738737/The-Dancer-and-the-Thief-by-Antonio-Sk-rmeta.pdf
    • http://cefasfese.4pu.com/1733731732735733/The-Dancer-and-the-Thief-by-Antonio-Sk-rmeta.pdf
    • http://cefasfese.4pu.com/4736735738739733/To-Catch-a-Thief-Midnight-Dancer-2-by-Elizabeth-Lindsay.pdf
    • http://cefasfese.4pu.com/3735738735730735/Antonio-s-Grace-An-Island-s-Plea-for-a-Native-Son-The-Antonio-s-Series-Book-2-by-Yasmin-Tirado-Chiodini.pdf
    • http://cefasfese.4pu.com/8733732730737737/IO-Scrivente---Autobiografia-Di-Antonio-Bravi-Piccolo-Borghese-a-Recanati-Negli-Anni-Di-Giacomo-Leopardi-by-Antonio-Bravi.pdf
    • http://cefasfese.4pu.com/6734731731732732/Meurs-pas-on-a-du-monde-San-Antonio-104-by-San-Antonio.pdf
    • http://cefasfese.4pu.com/4737735731739/The-Wind-Dancer-Wind-Dancer-1-by-Iris-Johansen.pdf
    • http://cefasfese.4pu.com/3736737736738734/The-Pot-Thief-Who-Studied-Pythagoras-A-Pot-Thief-Murder-Mystery-1-by-J-Michael-Orenduff.pdf
    • http://cefasfese.4pu.com/2731738731730732/The-Thief-The-Queen-s-Thief-1-by-Megan-Whalen-Turner.pdf
    • http://cefasfese.4pu.com/4733730731734732/The-Magic-Thief-Complete-Collection-The-Magic-Thief-Lost-Found-A-Proper-Wizard-Home-by-Sarah-Prineas.pdf
    • http://cefasfese.4pu.com/5734731738735739/Antonio-Recalcati-1959-1999-Mano-a-Mano-27-Novembre-1999-30-Janvier-2000-Villa-Tamaris-by-Antonio-Recalcati.pdf
    • http://cefasfese.4pu.com/1739738736734739/Diary-Of-An-Oxygen-Thief-The-Oxygen-Thief-Diaries-1-by-Anonymous.pdf
    • http://cefasfese.4pu.com/2736735731739733/The-Star-Thief-Star-Thief-Chronicles-1-by-Jamie-Grey.pdf
    • http://cefasfese.4pu.com/4735734733731731/The-Star-Thief-Star-Thief-Chronicles-1-by-Jamie-Grey.pdf
    • http://cefasfese.4pu.com/2737730739730734/Tattoo-Thief-Tattoo-Thief-1-by-Heidi-Joy-Tretheway.pdf
    • http://cefasfese.4pu.com/2736736731738732/Time-Thief-Time-Thief-1-by-Katie-MacAlister.pdf
    • http://cefasfese.4pu.com/8733733731/The-Child-Thief-The-Child-Thief-1-by-Bella-Forrest.pdf
    • http://cefasfese.4pu.com/6739735738733/Mark-of-the-Thief-Mark-of-the-Thief-1-by-Jennifer-A-Nielsen.pdf
    • http://cefasfese.4pu.com/1731734737731735/The-Good-Thief-s-Guide-to-Amsterdam-Good-Thief-s-Guide-1-by-Chris-Ewan.pdf
    • http://cefasfese.4pu.com/3733737739734731/Mao-s-Last-Dancer-by-Li-Cunxin.pdf

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