Malicious PDF — malware analysis report

Static analysis result for SHA-256 812c0910f27d8560…

MALICIOUS

PDF

24.7 KB Created: 2019-05-05 16:00:47 +01:00 Authoring application: mPDF 5.7
MD5: 3aa0ac1dc9829493f0049fb5d5a2cb58 SHA-1: 74ba12a88f27adc9e753c505b87a775140656926 SHA-256: 812c0910f27d85603b7b616963f82069017a378945dfc97fc3d876ecca1d6ee8
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, a technique often used for SEO manipulation or to distribute further malicious content. While the ML classifier strongly indicated maliciousness, the specific intent beyond link farming is unclear due to the lack of executable scripts or a clear document body. The primary IOCs are the numerous URLs pointing to other PDF documents.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9901

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/1090090098090096098/Lasting-Marriage-Discovering-God-s-Meaning-and-Purpose-for-Your-Relationship-by-Dustin-Heiner.pdf
    • http://loaminoo.linkpc.net/1090090098091093093/How-to-Quit-Your-Job-with-Rental-Properties-A-Step-by-Step-Guide-to-UNLOCKING-Passive-Income-by-Investing-in-Real-Estate-by-Dustin-Heiner.pdf
    • http://loaminoo.linkpc.net/1090091090097091/Aspire-Discovering-Your-Purpose-Through-the-Power-of-Words-by-Kevin-Hall.pdf
    • http://loaminoo.linkpc.net/4091092097094092/Mars-and-Venus-on-a-Date-A-Guide-for-Navigating-the-5-Stages-of-Dating-to-Create-a-Loving-and-Lasting-Relationship-by-John-Gray.pdf
    • http://loaminoo.linkpc.net/8097098095096090/The-Therapeutic-Relationship-Transference-Countertransference-and-the-Making-of-Meaning-by-Jan-Wiener.pdf
    • http://loaminoo.linkpc.net/2095094092091097/The-Path-Made-Clear-Discovering-Your-Life-s-Direction-and-Purpose-by-Oprah-Winfrey.pdf
    • http://loaminoo.linkpc.net/1090096099097099093/Sacred-Sound-Discovering-the-Myth-and-Meaning-of-Mantra-and-Kirtan-by-Alanna-Kaivalya.pdf
    • http://loaminoo.linkpc.net/2099096096091090/Discovering-Your-Amazing-Marriage-by-Jason-Coleman.pdf
    • http://loaminoo.linkpc.net/2091097099091099/The-Purpose-of-Boys-Helping-Our-Sons-Find-Meaning-Significance-and-Direction-in-Their-Lives-by-Michael-Gurian.pdf
    • http://loaminoo.linkpc.net/1091091092095097097/Oneness-A-Call-to-Honor-God-in-the-Marriage-Relationship-by-Dean-Schendel.pdf
    • http://loaminoo.linkpc.net/4099092099095090/The-Marriage-Code-Discovering-Your-Own-Secret-Language-of-Love-by-Bill-Farrel.pdf
    • http://loaminoo.linkpc.net/4098097099093099/Unleashing-the-Soul-of-Money-Finding-Sufficiency-Freedom-and-Purpose-Through-Your-Relationship-with-Money-by-Lynne-Twist.pdf
    • http://loaminoo.linkpc.net/1090090098091093090/Heiner-M-ller-and-Heiner-Goebbels-s-Wolokolamsker-Chaussee-by-Philip-V-Bohlman.pdf
    • http://loaminoo.linkpc.net/4094091092090093/My-Life-with-Deth-Discovering-Meaning-in-a-Life-of-Rock-Roll-by-David-Ellefson.pdf
    • http://loaminoo.linkpc.net/1090098098098097091/When-Sinners-Say-quot-I-Do-quot-Discovering-the-Power-of-the-Gospel-for-Marriage-by-Dave-Harvey.pdf
    • http://loaminoo.linkpc.net/5090092095091091/Love-Your-Husband-Love-Yourself-Embracing-God-s-Purpose-for-Passion-in-Marriage-by-Jennifer-Flanders.pdf
    • http://loaminoo.linkpc.net/1093095094096094/Erotic-Marriage-Break-Free-from-the-Negative-Sexual-Script-and-Improve-the-Sexual-and-Emotional-Quality-of-Your-Relationship-by-Frederick-D-Mondin.pdf
    • http://loaminoo.linkpc.net/1090090098090097091/A-Heiner-M-ller-Reader-Plays-Poetry-Prose-by-Heiner-M-ller.pdf
    • http://loaminoo.linkpc.net/6096091098093092/Sex-Books-Sex-Positions-21-Sexplosive-Positions-to-Ignite-Your-Relationship-Marriage-Sex-amp-Love-Life-by-Vicky-Sex-Books-Dixen.pdf
    • http://loaminoo.linkpc.net/2091091096097090/Discovering-April-Discovering-Trilogy-1-by-Sheena-Hutchinson.pdf

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