Malicious PDF — malware analysis report

Static analysis result for SHA-256 f427df0aec674b7f…

MALICIOUS

PDF

19.3 KB Created: 2020-03-20 07:44:02 +00:00 Authoring application: mPDF 5.7
MD5: 9a5652ad52814babf0d519fc16a4bb53 SHA-1: b31b692d7f4beb81dda335ff2b33abcce7c90e4e SHA-256: f427df0aec674b7f7de61734abc7d0da8dca4ca454d55514e9ef7ce24d0a8fd0
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded URLs, forming a link farm. The heuristic PDF_SEO_LINK_FARM indicates that these URLs are likely intended to direct users to external content, potentially for SEO manipulation or to host malicious payloads. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.

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://laoieoa.myhome.cx/3c03c09c05c04c08/Anne-Boleyn-Fatal-Attractions-by-G-W-Bernard.pdf
    • http://laoieoa.myhome.cx/2c05c02c01c09c02/In-Bed-with-Anne-Boleyn-A-Novel-by-Lacey-Baldwin-Smith.pdf
    • http://laoieoa.myhome.cx/1c01c06c02c05c02/Threads-The-Reincarnation-of-Anne-Boleyn-by-Nell-Gavin.pdf
    • http://laoieoa.myhome.cx/5c00c09c03c03/The-Life-and-Death-of-Anne-Boleyn-by-Eric-Ives.pdf
    • http://laoieoa.myhome.cx/2c00c05c04c03c07/The-Secret-Diary-of-Anne-Boleyn-by-Robin-Maxwell.pdf
    • http://laoieoa.myhome.cx/2c03c02c03c06c09/The-Lady-in-the-Tower-The-Fall-of-Anne-Boleyn-by-Alison-Weir.pdf
    • http://laoieoa.myhome.cx/3c03c09c08c08c04/Le-Temps-Viendra-A-Novel-of-Anne-Boleyn-Volume-II-by-Sarah-Morris.pdf
    • http://laoieoa.myhome.cx/2c02c00c09c00c00/The-Kiss-of-the-Concubine-A-story-of-Anne-Boleyn-by-Judith-Arnopp.pdf
    • http://laoieoa.myhome.cx/2c07c02c09c00c07/Anne-Boleyn-A-New-Life-of-England-s-Tragic-Queen-by-Joanna-Denny.pdf
    • http://laoieoa.myhome.cx/3c03c00c01c09c08/In-the-Shadow-of-Lions-A-Novel-of-Anne-Boleyn-Chronicles-of-the-Scribe-1-by-Ginger-Garrett.pdf
    • http://laoieoa.myhome.cx/4c02c09c05c00c07/The-Anne-Boleyn-Collection-The-Real-Truth-about-the-Tudors-by-Claire-Ridgway.pdf
    • http://laoieoa.myhome.cx/3c03c08c09c05c06/The-Creation-of-Anne-Boleyn-A-New-Look-at-England-s-Most-Notorious-Queen-by-Susan-Bordo.pdf
    • http://laoieoa.myhome.cx/4c08c03c06c04c05/Anne-Boleyn-and-Me-The-Diary-of-Elinor-Valjean-London-1525-1536-by-Alison-Prince.pdf
    • http://laoieoa.myhome.cx/2c02c00c00c06c02/The-Boleyn-Deceit-The-Boleyn-Trilogy-2-by-Laura-Andersen.pdf
    • http://laoieoa.myhome.cx/7c05c02c05c04/Vengeance-Is-Mine-A-Novel-Of-Anne-Boleyn-Katherine-Howard-And-Lady-Rochford-The-Woman-Who-Helped-Destroy-Them-Both-by-Brandy-Purdy.pdf
    • http://laoieoa.myhome.cx/4c01c01c08c08c04/The-Fatal-Attraction-Between-Us-Book-One-of-the-Fatal-Love-Trilogy-by-Ceren-Zeynep-Coteli.pdf
    • http://laoieoa.myhome.cx/3c01c00c04c05c00/Fatal-Desires-Fatal-Cross-Live-1-by-Theresa-Hissong.pdf
    • http://laoieoa.myhome.cx/3c03c08c07c05c01/Love-Letters-of-Henry-VIII-to-Anne-Boleyn-by-Henry-VIII-of-England.pdf
    • http://laoieoa.myhome.cx/8c05c03c04c07c07/Fatal-Episode-2-Season-1-Alexa-Guerra---The-Female-Jack-Reacher-Fatal---The-Series-by-Arno-Joubert.pdf
    • http://laoieoa.myhome.cx/1c07c03c08c01c09/Fatal-Justice-Fatal-2-by-Marie-Force.pdf

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