Malicious PDF — malware analysis report

Static analysis result for SHA-256 11d78cd33ceba348…

MALICIOUS

PDF

15.5 KB Created: 2019-04-30 04:22:38 +01:00 Authoring application: mPDF 5.7
MD5: 8f9c41b0e46f02bad0be49116071c09e SHA-1: 7f4810bdc7baa93c0e667adb1f5ab0f9a514888e SHA-256: 11d78cd33ceba3483c437287d3a29e6f1bb92cf1449a8856302b78f65ad52bf7
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, suggesting a link farm or redirection scheme. The ML classifier also flagged this PDF as malicious with high confidence. The primary attack pattern observed is the distribution of numerous links, likely intended to lead users to malicious content or phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

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://loaminoo.linkpc.net/5099091098096099/I-Am-Rebecca-I-Am-Not-Esther-2-by-Fleur-Beale.pdf
    • http://loaminoo.linkpc.net/7096092099099/I-Am-Not-Esther-I-Am-Not-Esther-1-by-Fleur-Beale.pdf
    • http://loaminoo.linkpc.net/5091096096097092/Slide-The-Corner-by-Fleur-Beale.pdf
    • http://loaminoo.linkpc.net/1090096098093097/Juno-Of-Taris-by-Fleur-Beale.pdf
    • http://loaminoo.linkpc.net/3091094091095091/A-Respectable-Girl-by-Fleur-Beale.pdf
    • http://loaminoo.linkpc.net/1095092096091092/Esther-by-Rebecca-Kanner.pdf
    • http://loaminoo.linkpc.net/1091091094091094/The-Descendant-A-Caitlyn-Beale-Memoir-Caitlyn-and-Jason-Beale-Memoirs-Book-1-by-Ellie-Hart.pdf
    • http://loaminoo.linkpc.net/1091099092092099/Illusion-by-Ashley-Beale.pdf
    • http://loaminoo.linkpc.net/1099093099098090/We-Become-What-We-Worship-A-Biblical-Theology-of-Idolatry-by-G-K-Beale.pdf
    • http://loaminoo.linkpc.net/3093097097098090/West-By-Sea-A-Treasure-Hunt-that-Spans-the-Globe-by-Michelle-M-B-Beale.pdf
    • http://loaminoo.linkpc.net/2093093098091099/What-Happened-on-Beale-Street-Secrets-of-the-South-Mysteries-2-by-Mary-Ellis.pdf
    • http://loaminoo.linkpc.net/7090092099097093/I-Only-Mark-the-Hours-That-Shine-Little-Edie-s-Diary-1929-by-Edith-Bouvier-Beale.pdf
    • http://loaminoo.linkpc.net/1091098096092099092/Ryan-s-Dinosaur-and-the-Neon-Fish-Two-Stories-from-Rebecca-s-Collection-by-Rebecca-Lynne-Enden.pdf
    • http://loaminoo.linkpc.net/5099098092094099/Duplicity-St-Fleur-3-by-A-J-Renee.pdf
    • http://loaminoo.linkpc.net/2090099092095099/The-Best-of-Flair-by-Fleur-Cowles.pdf
    • http://loaminoo.linkpc.net/5099098090099099/Tangled-Up-In-You-Fleur-de-Lis-1-by-A-L-Vincent.pdf
    • http://loaminoo.linkpc.net/5099098091090097/Purple-Roads-by-Fleur-McDonald.pdf
    • http://loaminoo.linkpc.net/3096095091094092/Beautiful-Girl-by-Fleur-Philips.pdf
    • http://loaminoo.linkpc.net/4099090093092095/Emerald-Springs-by-Fleur-McDonald.pdf
    • http://loaminoo.linkpc.net/5099098092095092/Taxed-by-Love-St-Fleur-5-by-A-J-Renee.pdf

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