Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e006045be0028db…

MALICIOUS

PDF

24.8 KB Created: 2019-05-02 03:10:20 +01:00 Authoring application: mPDF 5.7
MD5: 2abff11ae408468476ce0d6c30d39a28 SHA-1: a465f58481f42abf5b8a61c282805cf849afdef0 SHA-256: 1e006045be0028dbcfbd624eefdb288595698920fcf37705295ba59880bca3ee
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of SEO-optimized links to other PDF files hosted on the same domain. This technique is often used for link farming or to distribute malicious content under the guise of legitimate documents. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

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/4095093093099095/We-Die-Alone-War-Book-Series-by-David-Howarth.pdf
    • http://loaminoo.linkpc.net/3093090096095093/The-Shetland-Bus-by-David-Howarth.pdf
    • http://loaminoo.linkpc.net/2095091092097094/1066-The-Year-of-the-Conquest-by-David-Howarth.pdf
    • http://loaminoo.linkpc.net/1098095094091094/The-Sledge-Patrol-A-WWII-Epic-of-Escape-Survival-and-Victory-by-David-Howarth.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/5091098095099099/Auburn-Ride-The-Delarosa-Series-Book-1-by-David-Stever.pdf
    • http://loaminoo.linkpc.net/1091090099091095091/Double-Pass-Burnside-Series-Book-7-by-David-Chill.pdf
    • http://loaminoo.linkpc.net/1090095099090090097/-Summary-The-Last-Mile-Amos-Decker-series-by-David-Baldacci-by-Book-Sense.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/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/8094090099092097/World-Scientific-Series-on-Nonlinear-Science-Series-A-Volume-16-Turbulence-Strange-Attractors-and-Chaos-by-David-Ruelle.pdf
    • http://loaminoo.linkpc.net/3091090092094092/Anti-Inflammatory-Book-Series-Get-The-Best-Of-Essential-Kitchen-Series--Over-100-Delicious-amp-Easy-to-Cook-Recipes-to-Fight-Inflammation-Slow-Aging-Combat-Yourself-The-Essential-Kitchen-Series-59-by-Sarah-Sophia.pdf
    • http://loaminoo.linkpc.net/4096098097090093/Rambo-First-Blood-Part-II-Rambo-First-Blood-Series-Book-2-by-David-Morrell.pdf
    • http://loaminoo.linkpc.net/4098094093097095/NOT-A-BOOK-Epic-of-the-Damned-The-Eclipse-Series---Book-One-by-NOT-A-BOOK.pdf
    • http://loaminoo.linkpc.net/2094098094092091/Toxic-New-Year-The-Day-That-Wouldn-t-End-Fourth-Book-in-the-Alexandra-Destephano-Series-Alex-Desephano-Series-4-by-Judith-Lucci.pdf
    • http://loaminoo.linkpc.net/6099099093093094/Beaumarchais-and-the-Theatre-by-W-D-Howarth.pdf
    • http://loaminoo.linkpc.net/1091098095094097093/The-Knights-Templar-by-Stephen-Howarth.pdf
    • http://loaminoo.linkpc.net/1099094097091091/Resistance-The-Institute-2-by-Kayla-Howarth.pdf
    • http://loaminoo.linkpc.net/1091094091097098098/Toast-of-Clifton-by-Francine-Howarth.pdf
    • http://loaminoo.linkpc.net/6099099092099091/Beaumarchais-and-the-Theatre-by-William-D-Howarth.pdf
    • http://loaminoo.linkpc.net/1090095099090090097/-Summary-The-Last-Mile-Amos-Decker

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