Malicious PDF — malware analysis report

Static analysis result for SHA-256 15b3f8cbc214cf36…

MALICIOUS

PDF

17.6 KB Created: 2019-04-30 04:43:12 +01:00 Authoring application: mPDF 5.7
MD5: f6b1aac3010acc850606dd210b99d93c SHA-1: 79e1a680ddbaa3a647b769d26c616f9c5bb790bc SHA-256: 15b3f8cbc214cf363dc84035cb40f3924408efd8433b279877cc1811d7730086
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, forming a link farm. While the URLs themselves are marked as benign, the heuristic 'PDF_SEO_LINK_FARM' indicates a suspicious pattern of generating many external links. The ML classifier also flagged the document as malicious. The embedded content, though obfuscated, contains URLs that are likely intended to direct users to external resources, potentially for SEO manipulation or to host further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9931

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://xiixmcuin.linkpc.net/6207205209200202/Frankenstein-by-John--Green.pdf
    • http://xiixmcuin.linkpc.net/4200209205205/John-Green-the-Collection-Looking-for-Alaska-An-Abundance-of-Katherines-Paper-Towns-Will-Grayson-Will-Grayson-The-Fault-in-Our-Stars-by-John-Green.pdf
    • http://xiixmcuin.linkpc.net/3201200202202208/Green-Smoothie-Everyday-Green-Smoothie-For-Beginners-10-Day-Green-Smoothie-Cleanse-green-smoothies-green-smoothies-detox-green-smoothies-recipes-green-Diet-healthy-food-for-everyday-Book-9-by-Anna-Scott.pdf
    • http://xiixmcuin.linkpc.net/9203201203205204/D-steres-Verlangen-Die-wahre-Geschichte-des-jungen-Victor-Frankenstein-The-Apprenticeship-of-Victor-Frankenstein-1-by-Kenneth-Oppel.pdf
    • http://xiixmcuin.linkpc.net/3206205202204201/Let-It-Snow-by-John-Green.pdf
    • http://xiixmcuin.linkpc.net/4205208202/Let-it-Snow-by-John-Green.pdf
    • http://xiixmcuin.linkpc.net/1204201203203203/Let-It-Snow-by-John-Green.pdf
    • http://xiixmcuin.linkpc.net/2207202201209205/Looking-for-Alaska-by-John-Green.pdf
    • http://xiixmcuin.linkpc.net/8209203203201205/Looking-for-Alaska-by-John-Green.pdf
    • http://xiixmcuin.linkpc.net/1200207200204204/Paper-Towns-by-John-Green.pdf
    • http://xiixmcuin.linkpc.net/7201205201204208/The-Fault-in-Our-Stars-by-John-Green.pdf
    • http://xiixmcuin.linkpc.net/1204200203208201/Green-Soldiers-by-John-Bensko.pdf
    • http://xiixmcuin.linkpc.net/8206200209207/The-Fault-in-Our-Stars-by-John-Green.pdf
    • http://xiixmcuin.linkpc.net/4200208202200201/Paper-Towns-by-John-Green.pdf
    • http://xiixmcuin.linkpc.net/5207202202207204/Die-Fout-by-Ons-Sterre-by-John-Green.pdf
    • http://xiixmcuin.linkpc.net/9206201207/The-Fault-in-Our-Stars-by-John-Green.pdf
    • http://xiixmcuin.linkpc.net/2204209203200201/An-Abundance-of-Katherines-by-John-Green.pdf
    • http://xiixmcuin.linkpc.net/1201200200202203204/Krive-so-zvezde-by-John-Green.pdf
    • http://xiixmcuin.linkpc.net/1201207201207207/Fried-Green-Zombies-by-John-A-Allen.pdf
    • http://xiixmcuin.linkpc.net/3200208206207/The-Green-Ripper-Travis-McGee-18-by-John-D-MacDonald.pdf

Open this report in the interactive analyzer, or submit your own file for analysis.