Malicious PDF — malware analysis report

Static analysis result for SHA-256 23ce3a9a3b7d26a4…

MALICIOUS

PDF

25.6 KB Created: 2019-05-01 20:22:55 +01:00 Authoring application: mPDF 5.7
MD5: de4d6e0920e04db760898c9b2fd0c655 SHA-1: aa39f100c83e76ae5d0761c5cd0d494e0c256e55 SHA-256: 23ce3a9a3b7d26a430a0ec014723597705a47aa5bf92d41ae4c2c82b34d2111f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm, which are likely intended to direct users to malicious content or phishing pages. The ML classifier strongly indicated maliciousness. No scripts were extracted, and the document body primarily consists of these URLs, suggesting the primary attack vector is the redirection to external resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9903

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/7091098099094097/The-C-Clef-The-Human-Spirit-Series-Book-1-by-Andrew-Harris.pdf
    • http://loaminoo.linkpc.net/7091098099099097/Standard-of-Excellence-Book-1-Comprehensive-Band-Method-Book-1-Trombone-Bass-Clef-Standard-of-Excellence-Series-by-Bruce-Pearson.pdf
    • http://loaminoo.linkpc.net/5096098093097092/A-Series-of-Meditations-on-the-Ethical-and-Psychical-Relation-of-Spirit-to-the-Human-Organism-by-Erastus-C-Gaffield.pdf
    • http://loaminoo.linkpc.net/4096097096090099/Sometimes-You-Know-The-Fangirl-Series-Book-2-by-Melinda-Harris.pdf
    • http://loaminoo.linkpc.net/2090098095096/A-Loving-Spirit-Lessons-in-Temptation-Series-Book-1-by-Amanda-McCabe.pdf
    • http://loaminoo.linkpc.net/4090095093099098/The-Spirit-Of-Rejection-A-Spiritual-Warfare-Suspense-Novel-The-Demon-Strongholds-Series-Book-2-by-Eric-M-Hill.pdf
    • http://loaminoo.linkpc.net/7091098099099094/The-Bass-Clef-Learn-and-Practice-The-Notes-of-The-Bass-Clef-The-Clefs-Volume-2-by-Steve-Tirpak.pdf
    • http://loaminoo.linkpc.net/7091098099096092/The-Real-Book---Volume-I-Bass-Clef-Edition-by-Hal-Leonard-Publishing-Company.pdf
    • http://loaminoo.linkpc.net/1093093095097094/Orson-Scott-Card-Series-Reading-Order-amp-Checklist-Series-List-in-Order---Ender-Series-Formic-War-Series-Shadow-Series-Ender-Series-amp-Tales-of-Alvin-Maker-Series-Listabook-Series-Order-Book-15-by-Listabook.pdf
    • http://loaminoo.linkpc.net/4093098092097090/Lionheart-A-Journey-of-the-Human-Spirit-by-Jesse-Martin.pdf
    • http://loaminoo.linkpc.net/4099099098096092/Human-All-Too-Human-A-Book-for-Free-Spirits-by-Friedrich-Nietzsche.pdf
    • http://loaminoo.linkpc.net/1092091098097090/The-Spirit-of-Glassboro-amp-Other-Tales-of-Terror-by-Andrew-Kraus.pdf
    • http://loaminoo.linkpc.net/4098099096097095/Praying-for-Strangers-An-Adventure-of-the-Human-Spirit-by-River-Jordan.pdf
    • http://loaminoo.linkpc.net/5094094098094098/Brandon-Mull-Series-Reading-Order-amp-Checklist-Series-List-in-Order---Five-Kingdom-Series-Fablehaven-Series-Beyonders-Trilogy-Candy-Shop-War-Series-Listabook-Series-Order-Book-24-by-Listabook.pdf
    • http://loaminoo.linkpc.net/1090091098090091092/The-Logic-of-the-Spirit-Human-Development-in-Theological-Perspective-by-James-E-Loder.pdf
    • http://loaminoo.linkpc.net/1091094095091090091/Erinnerung-Gedenken-Memories-Survival-of-the-Human-Spirit-by-Lore-Buchheim.pdf
    • http://loaminoo.linkpc.net/2096099098099091/Soul-Cravings-An-Exploration-of-the-Human-Spirit-by-Erwin-Raphael-McManus.pdf
    • http://loaminoo.linkpc.net/5092097091090091/Why-Religion-Matters-The-Fate-of-the-Human-Spirit-in-an-Age-of-Disbelief-by-Huston-Smith.pdf
    • http://loaminoo.linkpc.net/7091096092099096/Maya-Banks-Series-Reading-Order-amp-Checklist-Series-List-in-Order---KGI-Series-Enforcers-Series-Slow-Burn-Series-amp-All-Other-Books-Listabook-Series-Order-Book-58-by-Listabook.pdf
    • http://loaminoo.linkpc.net/1099093099090090/Wise-Thoughts-for-Every-Day-On-God-Love-the-Human-Spirit-and-Living-a-Good-Life-by-Leo-Tolstoy.pdf
    • http://loaminoo.linkpc.net/7091098099099094/The-Bass-Clef-Learn-and-Practice-

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