Malicious PDF — malware analysis report

Static analysis result for SHA-256 f80ddb941eeaf21d…

MALICIOUS

PDF

28.9 KB Created: 2019-05-07 03:47:05 +01:00 Authoring application: mPDF 5.7
MD5: 19de722825ed7354cb842714cb4e9bfa SHA-1: d07c2d0e9ac9d8b204e9b67f903c40d75e29b7dd SHA-256: f80ddb941eeaf21d294cae8d0bb5e32cff99f6a2a87674e8da36219394da02ee
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents, as indicated by the PDF_SEO_LINK_FARM heuristic. While many of these links point to what appear to be benign book summaries, the sheer volume and the nature of the heuristic suggest a malicious intent, possibly for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this PDF with high confidence. No scripts were extracted from this sample.

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://xiixmcuin.linkpc.net/7203209204206201/Reunion-by-Fred-Uhlman-Book-Analysis-Detailed-Summary-Analysis-and-Reading-Guide-by-Bright-Summaries.pdf
    • http://xiixmcuin.linkpc.net/7206204207209208/Brodeck-s-Report-by-Philippe-Claudel-Book-Analysis-Detailed-Summary-Analysis-And-Reading-Guide-by-Bright-Summaries.pdf
    • http://xiixmcuin.linkpc.net/5207203201202206/The-Ice-People-by-Ren-Barjavel-Book-Analysis-Detailed-Summary-Analysis-and-Reading-Guide-BrightSummaries-com-by-Bright-Summaries.pdf
    • http://xiixmcuin.linkpc.net/5203200204207207/I-Wish-Someone-Were-Waiting-for-Me-Somewhere-by-Anna-Gavalda-Book-Analysis-Detailed-Summary-Analysis-and-Reading-Guide-BrightSummaries-com-by-Bright-Summaries.pdf
    • http://xiixmcuin.linkpc.net/5206206201202208/The-Ice-Princess-by-Camilla-L-ckberg-Book-Analysis-Detailed-Summary-Analysis-and-Reading-Guide-BrightSummaries-com-by-Bright-Summaries.pdf
    • http://xiixmcuin.linkpc.net/5205205204202205/Mend-the-Living-by-Maylis-de-Kerangal-Book-Analysis-Detailed-Summary-Analysis-and-Reading-Guide-BrightSummaries-com-by-Bright-Summaries.pdf
    • http://xiixmcuin.linkpc.net/5204208208209201/Nothing-Holds-Back-the-Night-by-Delphine-de-Vigan-Book-Analysis-Detailed-Summary-Analysis-and-Reading-Guide-by-Bright-Summaries.pdf
    • http://xiixmcuin.linkpc.net/7205204206201202/Americanah-by-Chimamanda-Ngozi-Adichie-Book-Analysis-Detailed-Summary-Analysis-and-Reading-Guide-BrightSummaries-com-by-Bright-Summaries.pdf
    • http://xiixmcuin.linkpc.net/6200205205206209/What-the-Day-Owes-the-Night-by-Yasmina-Khadra-Book-Analysis-Detailed-Summary-Analysis-and-Reading-Guide-BrightSummaries-com-by-Bright-Summaries.pdf
    • http://xiixmcuin.linkpc.net/5208201208205205/The-Truth-About-the-Harry-Quebert-Affair-by-Jo-l-Dicker-Book-Analysis-Detailed-Summary-Analysis-and-Reading-Guide-BrightSummaries-com-by-Bright-Summaries.pdf
    • http://xiixmcuin.linkpc.net/6201206203201206/Zazie-in-the-Metro-by-Louis-Malle-Film-Analysis-Detailed-Summary-Analysis-and-Reading-Guide-by-Bright-Summaries.pdf
    • http://xiixmcuin.linkpc.net/8203204205201/Summary-and-Analysis-Red-Notice-by-Elite-Summaries.pdf
    • http://xiixmcuin.linkpc.net/4208207203203204/Speed-Reading-Speed-Reading-Guide-for-Hacking-Learning-amp-Strategies-for-Speed-Analysis-and-Memorization-Education-Tactics-Summary-Guidebook-Learn-Chess-Master-Coding-Visual-Fast-by-Simon-Thompson.pdf
    • http://xiixmcuin.linkpc.net/1201204207203209205/Purity-A-Novel-by-Jonathan-Franzen-Summary-amp-Analysis-by-Instaread-Summaries.pdf
    • http://xiixmcuin.linkpc.net/8204200200203/Summary-of-You-Can-Heal-Your-Life-by-Louise-L-Hay-Includes-Analysis-by-Elite-Summaries.pdf
    • http://xiixmcuin.linkpc.net/8201208202201/Summary-of-Contagious-by-Jonah-Berger-Includes-Analysis-by-Elite-Summaries.pdf
    • http://xiixmcuin.linkpc.net/8203201205204/Summary-of-Spark-Joy-by-Marie-Kondo-Includes-Analysis-by-Elite-Summaries.pdf
    • http://xiixmcuin.linkpc.net/1200206204209202200/The-Marriage-of-Opposites-by-Alice-Hoffman-Summary-amp-Analysis-by-Instaread-Summaries.pdf
    • http://xiixmcuin.linkpc.net/6205206202209203/Summary-of-Barkskins-by-Annie-Proulx-Includes-Analysis-by-Instaread-Summaries.pdf
    • http://xiixmcuin.linkpc.net/8202208203209/Summary-of-Blink-by-Malcolm-Gladwell-Includes-Analysis-by-Elite-Summaries.pdf