Malicious PDF — malware analysis report

Static analysis result for SHA-256 ccbbc26443d6dab1…

MALICIOUS

PDF

17.9 KB Created: 2019-05-20 01:59:00 +01:00 Authoring application: mPDF 5.7
MD5: 9c841ec38ec7cd2862943adf8064a4a4 SHA-1: 10595be07f225d7204eb4b3d2abee2e811212c52 SHA-256: ccbbc26443d6dab1382a4225115e20a7d637e3d530a044df59c62cde8b6c7885
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded URLs, identified as a link farm. While most of these URLs are marked as benign, the heuristic 'PDF_SEO_LINK_FARM' indicates a malicious intent, likely for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, and the document body was unreadable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

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/3096094097098099/The-Crocodile-Hunter-The-Incredible-Life-and-Adventures-of-Steve-and-Terri-Irwin-by-Steve-Irwin.pdf
    • http://loaminoo.linkpc.net/1090092097093099097/Action-Comics-The-Minecraft-Adventures-of-Steve-and-Alex-The-Abominable-Snowman-Part-2-Minecraft-Steve-and-Alex-Adventures-Book-8-by-Anneline-Kinnear.pdf
    • http://loaminoo.linkpc.net/1090092097094090090/Action-Comics-The-Minecraft-Adventures-of-Steve-and-Alex-The-Minecraft-Snow-Golem-Adventure-Part-1-Minecraft-Steve-and-Alex-Adventures-Book-4-by-Anneline-Kinnear.pdf
    • http://loaminoo.linkpc.net/1094091090099095/Yearnings-Embracing-the-Sacred-Messiness-of-Life-by-Irwin-Kula.pdf
    • http://loaminoo.linkpc.net/9098099090090097/Terri-s-Wildnerness-Adventures-Hanging-from-a-Tree-Terri-s-Wilderness-Adventures-Book-1-by-Tonya-Swift.pdf
    • http://loaminoo.linkpc.net/4099090099093093/Out-of-the-Blue-by-E-L-Irwin.pdf
    • http://loaminoo.linkpc.net/7098098098090/Adventures-of-Benny-The-by-Steve-Shreve.pdf
    • http://loaminoo.linkpc.net/4094097099092095/Nightwork-by-Irwin-Shaw.pdf
    • http://loaminoo.linkpc.net/8090096094094092/Play-Gin-to-Win-by-Irwin-Steig.pdf
    • http://loaminoo.linkpc.net/5091091099090093/What-About-Grandma-by-Hadley-Irwin.pdf
    • http://loaminoo.linkpc.net/1094096092094094/Liebste-Abby-by-Hadley-Irwin.pdf
    • http://loaminoo.linkpc.net/4094096096096/Rich-Man-Poor-Man-by-Irwin-Shaw.pdf
    • http://loaminoo.linkpc.net/4091091091095096/Acceptable-Losses-by-Irwin-Shaw.pdf
    • http://loaminoo.linkpc.net/5090096090090091/Watering-the-Dead-by-Jason-Irwin.pdf
    • http://loaminoo.linkpc.net/3095090098092096/The-Skull-and-the-Nightingale-by-Michael-Irwin.pdf
    • http://loaminoo.linkpc.net/3095098096095096/The-Arabian-Nightmare-by-Robert-Irwin.pdf
    • http://loaminoo.linkpc.net/7093091097097/White-City-by-Mark-Irwin.pdf
    • http://loaminoo.linkpc.net/1091096093099092/A-Dress-the-Color-of-the-Sky-by-Jennifer-Irwin.pdf
    • http://loaminoo.linkpc.net/7098099095090096/All-Amity-Allows-Fall-for-You-2-by-Michelle-Irwin.pdf
    • http://loaminoo.linkpc.net/7092099095090/Bright-Hunger-by-Mark-Irwin.pdf

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