Malicious PDF — malware analysis report

Static analysis result for SHA-256 71e1c7db961d4929…

MALICIOUS

PDF

14.9 KB Created: 2019-04-30 04:40:59 +01:00 Authoring application: mPDF 5.7
MD5: 49dde99aeeeb1e883bc30a3a4b5bf0ae SHA-1: 177801b3cf65493d049e0ac3af855abfe3046dfa SHA-256: 71e1c7db961d492974e2e042ed517535a16d53a41712caf3e36c8dd21ed1fbee
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, forming a link farm that directs users to external PDF files. This technique is often used to distribute malicious content or to engage in SEO manipulation for phishing purposes. The ML classifier also flagged this PDF as malicious, supporting the suspicious nature of the embedded links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

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/2091096091093098/The-Cardinal-s-Blades-The-Cardinal-s-Blades-1-by-Pierre-Pevel.pdf
    • http://loaminoo.linkpc.net/3099092098091096/The-Emperor-s-Blades-by-Brian-Staveley.pdf
    • http://loaminoo.linkpc.net/4099093095091093/Blades-of-the-Traitor-by-John-French.pdf
    • http://loaminoo.linkpc.net/1091098094095096098/Sin-Bin-Blades-Hockey-1-by-Maria-Luis.pdf
    • http://loaminoo.linkpc.net/1091097098091/Rebel-The-Blades-of-the-Rose-3-by-Zoe-Archer.pdf
    • http://loaminoo.linkpc.net/1090097097093094090/The-Women-of-Easter-Encounter-the-Savior-with-Mary-of-Bethany-Mary-of-Nazareth-and-Mary-Magdalene-by-Liz-Curtis-Higgs.pdf
    • http://loaminoo.linkpc.net/2093094091094090/The-Way-You-Are-by-L-J-Mile.pdf
    • http://loaminoo.linkpc.net/3091094091098094/Blades-in-the-Night-The-Darkslayer-2-by-Craig-Halloran.pdf
    • http://loaminoo.linkpc.net/1099090098096091/Just-A-Taste-New-York-Blades-6-by-Deirdre-Martin.pdf
    • http://loaminoo.linkpc.net/1099090096093092/Icebreaker-New-York-Blades-8-by-Deirdre-Martin.pdf
    • http://loaminoo.linkpc.net/3090092090093090/Black-Blades-Rifter-3-by-Ginn-Hale.pdf
    • http://loaminoo.linkpc.net/1099090096093094/Hip-Check-New-York-Blades-10-by-Deirdre-Martin.pdf
    • http://loaminoo.linkpc.net/2091092095094097/The-Alchemist-s-Box-Merchant-Blades-1-by-Alex-Avrio.pdf
    • http://loaminoo.linkpc.net/9091093092090099/Jenseits-des-Horizonts-The-Blades-of-the-Rose-1-by-Zoe-Archer.pdf
    • http://loaminoo.linkpc.net/6099094090094091/The-King-s-Man-Welsh-Blades-1-by-Elizabeth-Kingston.pdf
    • http://loaminoo.linkpc.net/1099090096092093/Power-Play-New-York-Blades-7-by-Deirdre-Martin.pdf
    • http://loaminoo.linkpc.net/1095098093099095/A-Thief-in-the-Night-Ancient-Blades-2-by-David-Chandler.pdf
    • http://loaminoo.linkpc.net/3096093096093099/Double-the-Heat-New-York-Blades-7-5-by-Lori-Foster.pdf
    • http://loaminoo.linkpc.net/4092090092099/Possession-of-My-Soul-The-Three-Immortal-Blades-1-by-Kia-Carrington-Russell.pdf
    • http://loaminoo.linkpc.net/1099090096094092/Total-Rush-New-York-Blades-3-by-Deirdre-Martin.pdf

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