Malicious PDF — malware analysis report

Static analysis result for SHA-256 887c40f3e64fe408…

MALICIOUS

PDF

15.6 KB Created: 2019-05-05 15:46:05 +01:00 Authoring application: mPDF 5.7
MD5: 587f6a700f7794460afee7315392e9a9 SHA-1: 562b2969a0b43f4cb51329ce1b592c99737f3638 SHA-256: 887c40f3e64fe408ae3315086dbabf4c1c322a1c5ceae6f026f194c7151d8270
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or distribution mechanism. While the document body is heavily obfuscated, the presence of numerous external links points towards an attempt to direct users to potentially malicious websites. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious classification.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

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/6095099095098096/Murder-on-the-Hoof-Colleen-McCabe-2-by-Kathryn-O-39-Sullivan.pdf
    • http://loaminoo.linkpc.net/6095099095098098/Foal-Play-Colleen-McCabe-1-by-Kathryn-O-39-Sullivan.pdf
    • http://loaminoo.linkpc.net/1091097093091093096/Four-Weddings-and-a-Murder-Fiona-McCabe-Mysteries-3-by-Kathy-Cranston.pdf
    • http://loaminoo.linkpc.net/6095099096090094/Decades-of-Doubt-The-John-McCabe-Murder-Saga-by-Eric-Wilson.pdf
    • http://loaminoo.linkpc.net/6095099096090095/Night-Shadows-A-Rebekah-McCabe-Mystery-Rebekah-McCabe-Mysteries-Book-1-by-Bill-Craig.pdf
    • http://loaminoo.linkpc.net/2097099099090092/Who-Killed-Bobby-The-Unsolved-Murder-of-Robert-F-Kennedy-by-Shane-O-39-Sullivan.pdf
    • http://loaminoo.linkpc.net/3092096093095098/Murder-at-Shady-Oaks-Senior-Estates-The-One-Direction-Massacre-by-David-McMullen-Sullivan.pdf
    • http://loaminoo.linkpc.net/3093094093099090/Blackmail-Sex-and-Lies-A-Victorian-True-Crime-Murder-Mystery-by-Kathryn-McMaster.pdf
    • http://loaminoo.linkpc.net/2095098091097091/Deliver-Us-Three-Decades-of-Murder-and-Redemption-in-the-Infamous-I-45-Texas-Killing-Fields-by-Kathryn-Casey.pdf
    • http://loaminoo.linkpc.net/9097099099095096/Sullivan-s-Law-Carolyn-Sullivan-1-by-Nancy-Taylor-Rosenberg.pdf
    • http://loaminoo.linkpc.net/2094090097097095/The-Butcher-Boy-by-Patrick-McCabe.pdf
    • http://loaminoo.linkpc.net/5091096093096095/Victims-by-Eugene-McCabe.pdf
    • http://loaminoo.linkpc.net/1090092090092/I-Shall-Be-Near-to-You-by-Erin-Lindsay-McCabe.pdf
    • http://loaminoo.linkpc.net/4097091099096097/Island-of-Dreams-by-Helen-McCabe.pdf
    • http://loaminoo.linkpc.net/7097090091094096/The-Empresses-of-Constantinople-by-Joseph-McCabe.pdf
    • http://loaminoo.linkpc.net/2090098095093/A-Lady-in-Disguise-by-Amanda-McCabe.pdf
    • http://loaminoo.linkpc.net/8091099095092/Cat-McCabe-Sisters-1-by-Freya-North.pdf
    • http://loaminoo.linkpc.net/4096099092098099/The-Taming-of-the-Rogue-by-Amanda-McCabe.pdf
    • http://loaminoo.linkpc.net/4094095099099092/Mondo-Desperado-by-Patrick-McCabe.pdf
    • http://loaminoo.linkpc.net/6095099095099094/Hanging-Out-with-the-Dream-King-by-Joseph-McCabe.pdf

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