Malicious PDF — malware analysis report

Static analysis result for SHA-256 deb9f22c53d9788f…

MALICIOUS

PDF

22.3 KB Created: 2019-04-30 10:29:37 +01:00 Authoring application: mPDF 5.7
MD5: cc5499ab25f53b40d0aa594a4a0f6d2f SHA-1: 3d73325c99e9b97bfa41e68976ffc35aec8841b9 SHA-256: deb9f22c53d9788f552f1a67ac27add09b052312c8ff9214e99d865a16725231
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded URLs pointing to external PDF documents, a technique often used for SEO poisoning or to redirect users to malicious content. The ML classifier strongly indicated maliciousness. While no scripts were extracted, the sheer volume of links and the suspicious domain suggest an attempt to drive traffic to potentially harmful resources.

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/3206208207208206/Boardwalk-Empire-The-Birth-High-Times-and-Corruption-of-Atlantic-City-by-Nelson-Johnson.pdf
    • http://xiixmcuin.linkpc.net/7202207205203202/Boardwalk-Empire-The-Birth-High-Times-and-Corruption-of-Atlantic-City-by-Nelson-Johnson.pdf
    • http://xiixmcuin.linkpc.net/7201201209203202/Tripp-Knights-Corruption-MC-Series-4-by-S-Nelson.pdf
    • http://xiixmcuin.linkpc.net/9204202206209201/Jagger-Knights-Corruption-MC-Series-3-by-S-Nelson.pdf
    • http://xiixmcuin.linkpc.net/3205209206201209/Stone-Knights-Corruption-MC-Series-2-by-S-Nelson.pdf
    • http://xiixmcuin.linkpc.net/2208206201201/An-Almost-Perfect-Christmas-Ocean-City-Boardwalk-4-by-Donna-Fasano.pdf
    • http://xiixmcuin.linkpc.net/9201203206203204/Jackpot-High-Times-High-Seas-and-the-Sting-That-Launched-the-War-on-Drugs-by-Jason-Ryan.pdf
    • http://xiixmcuin.linkpc.net/6200205206208209/Britain-s-Oceanic-Empire-Atlantic-and-Indian-Ocean-Worlds-C-1550-1850-by-H-V-Bowen.pdf
    • http://xiixmcuin.linkpc.net/5201202201209204/Constituting-Empire-New-York-and-the-Transformation-of-Constitutionalism-in-the-Atlantic-World-1664-1830-by-Daniel-J-Hulsebosch.pdf
    • http://xiixmcuin.linkpc.net/8201209206204200/Glasgow-The-Real-Mean-City-True-Crime-and-Punishment-in-the-Second-City-of-Empire-by-Malcolm-Archibald.pdf
    • http://xiixmcuin.linkpc.net/1201204206202207/Murder-Never-Dies-Crime-and-Corruption-in-the-Friendly-City-by-George-T-Sidiropolis.pdf
    • http://xiixmcuin.linkpc.net/9202203201209200/Creating-Greenway-for-the-High-Density-City-to-Promote-Human-Health-and-Well-Being-Evidence-from-Shenzhen-City-in-China-by-Weiting-Shan.pdf
    • http://xiixmcuin.linkpc.net/1207202200202206/Call-the-Midwife-A-Memoir-of-Birth-Joy-and-Hard-Times-by-Jennifer-Worth.pdf
    • http://xiixmcuin.linkpc.net/1200203207200200209/Global-Corruption-Report-2005-Special-Focus-Corruption-in-Construction-and-Post-Conflict-Reconstruction-by-Francis-Fukuyama.pdf
    • http://xiixmcuin.linkpc.net/5201201202205203/Seat-of-Empire-The-Embattled-Birth-of-Austin-Texas-by-Jeffrey-Stuart-Kerr.pdf
    • http://xiixmcuin.linkpc.net/7207208207200204/Shreveport-and-Bossier-City-Photographs-and-Text-by-Neil-Johnson-With-a-Foreword-by-Jim-Montgomery-by-Neil-Johnson.pdf
    • http://xiixmcuin.linkpc.net/8207206206205/The-Birth-of-the-Modern-World-Society-1815-1830-by-Paul-Johnson.pdf
    • http://xiixmcuin.linkpc.net/3209209205209203/The-Fussy-Baby-Book-Parenting-Your-High-Need-Child-From-Birth-to-Age-Five-by-William-Sears.pdf
    • http://xiixmcuin.linkpc.net/2203208208205204/The-Invention-of-Air-A-Story-of-Science-Faith-Revolution-and-the-Birth-of-America-by-Steven-Johnson.pdf
    • http://xiixmcuin.linkpc.net/3208201203203/End-Times-at-Ridgemont-High-by-Ian-Welke.pdf
    • http://xiixmcuin.linkpc.net/5201202201209204/Constit