Malicious PDF — malware analysis report

Static analysis result for SHA-256 7a03c90315bc7477…

MALICIOUS

PDF

12.5 KB Created: 2015-07-16 22:06:08 +04:00 Authoring application: DOMPDF
MD5: 0f776ec7d7400afd3b682d558a44896a SHA-1: e2a863060c7dfe34ff0a745b4bc1c7aa28da66ad SHA-256: 7a03c90315bc7477fb50fba9cbb2cb959648ff6c325831c8a3a28cbbe7fc95d9
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a large number of embedded URLs, indicating a link farm or SEO spamming attempt. The URLs themselves do not appear to host malicious content directly but are likely used to redirect users to other sites. No scripts were extracted, and the document body contained mostly junk data and URLs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8835

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://photo-file.ru/index.php?article=2321.2&tpnxb=2&pdf=2321
    • http://topofbrands.com/index.php?article=1851.2&jduka=2&pdf=1851
    • http://motorsportroden.nl/index.php?article=2413.2&onaih=2&pdf=2413
    • http://photo-file.ru/index.php?article=1697.2&tpnxb=2&pdf=1697
    • http://149clean.com/index.php?article=2372.3&happq=3&pdf=2372
    • http://photo-file.ru/index.php?article=2260.2&tpnxb=2&pdf=2260
    • http://lektoring.eu/index.php?article=1126.1&zsaop=1&pdf=1126
    • http://zomodiet.com/index.php?article=2292.2&eaath=2&pdf=2292
    • http://geekseals.com/index.php?article=1383.2&vbauj=2&pdf=1383
    • http://photo-file.ru/index.php?article=1518.2&tpnxb=2&pdf=1518
    • http://photo-file.ru/index.php?article=1293.2&tpnxb=2&pdf=1293
    • http://photo-file.ru/index.php?article=2030.2&tpnxb=2&pdf=2030
    • http://www.mantrabeautybar.ca/index.php?article=1347.2&chffj=2&pdf=1347
    • http://photo-file.ru/index.php?article=2069.2&tpnxb=2&pdf=2069
    • http://www.thewastebutlers.com/index.php?article=2305.1&tkqal=1&pdf=2305
    • http://photo-file.ru/index.php?article=965.2&tpnxb=2&pdf=965
    • http://marcogulf.com/index.php?article=1820.1&puzto=1&pdf=1820

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