Malicious PDF — malware analysis report

Static analysis result for SHA-256 05c6a41239cc2bc2…

MALICIOUS

PDF

15.5 KB Created: 2019-05-02 17:47:43 +01:00 Authoring application: mPDF 5.7
MD5: 76b9402b08fc16a44981703570e9e815 SHA-1: cfcc14d7463c3c090f06e91302ccdb41b77f3e9d SHA-256: 05c6a41239cc2bc26b0689be54403433db24b95c26ed228ffa07bf18b165152f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, identified as a link farm. While the document body is heavily obfuscated, the presence of numerous links suggests an attempt to manipulate search engine results or distribute malicious content. The ML classifier also flagged this PDF as malicious.

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/4098097099098090/Lady-Crenshaw-s-Christmas-Miss-Delacourt-3-by-Heidi-Ashworth.pdf
    • http://loaminoo.linkpc.net/5090090096093096/Miss-Delacourt-Has-Her-Day-by-Heidi-Ashworth.pdf
    • http://loaminoo.linkpc.net/1099096090091093/Miss-Delacourt-Has-Her-Day-Miss-Delacourt-2-by-Heidi-Ashworth.pdf
    • http://loaminoo.linkpc.net/1093092091098098/The-Lord-Who-Sneered-and-Other-Tales-Miss-Delacourt-5-by-Heidi-Ashworth.pdf
    • http://loaminoo.linkpc.net/1093092091098099/Lord-Haversham-Takes-Command-Miss-Delacourt-4-by-Heidi-Ashworth.pdf
    • http://loaminoo.linkpc.net/2090090095090097/Miss-Armistead-Makes-Her-Choice-by-Heidi-Ashworth.pdf
    • http://loaminoo.linkpc.net/2097093098097091/A-Midwinter-Ball-by-Heidi-Ashworth.pdf
    • http://loaminoo.linkpc.net/4096099096092098/O-er-The-River-Liffey-by-Heidi-Ashworth.pdf
    • http://loaminoo.linkpc.net/3094090090090092/Lady-Osbaldestone-s-Christmas-Goose-Lady-Osbaldestone-s-Christmas-Chronicles-1-by-Stephanie-Laurens.pdf
    • http://loaminoo.linkpc.net/4092096099097091/On-Intersectionality-The-Essential-Writings-of-Kimberl-Crenshaw-by-Kimberl-Crenshaw.pdf
    • http://loaminoo.linkpc.net/4094091091099093/Lady-Gaga-by-Heidi-Krumenauer.pdf
    • http://loaminoo.linkpc.net/3097093096094094/On-the-First-Night-of-Christmas-by-Heidi-Rice.pdf
    • http://loaminoo.linkpc.net/9095092093092093/Let-It-Snow-Minnesota-Christmas-1-by-Heidi-Cullinan.pdf
    • http://loaminoo.linkpc.net/1099092093099099/Sleigh-Ride-Minnesota-Christmas-2-by-Heidi-Cullinan.pdf
    • http://loaminoo.linkpc.net/9095092093095091/Heidi-Heckelbeck-and-the-Christmas-Surprise-by-Wanda-Coven.pdf
    • http://loaminoo.linkpc.net/4098090099098096/Miss-Library-Lady-by-Ann-McLelland-Pfaender.pdf
    • http://loaminoo.linkpc.net/5090093093091096/Little-Miss-Christmas-by-Roger-Hargreaves.pdf
    • http://loaminoo.linkpc.net/4099098099092099/Merry-Christmas-Miss-McConnell-by-Colleen-O-39-Shaughnessy-McKenna.pdf
    • http://loaminoo.linkpc.net/2095090092093091/The-Spinster-s-Christmas-Lady-Wynwood-1-by-Camille-Elliot.pdf
    • http://loaminoo.linkpc.net/1091096098093/Lady-Sophie-s-Christmas-Wish-The-Duke-s-Daughters-1-Windham-4-by-Grace-Burrowes.pdf

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