Malicious PDF — malware analysis report

Static analysis result for SHA-256 d019d731eac62cf1…

MALICIOUS

PDF

27.9 KB Created: 2019-05-01 18:37:47 +01:00 Authoring application: mPDF 5.7
MD5: a684d8be2ba64e6e7505cafdddc5e82d SHA-1: e1ed03299f1e1192f931d44ef8215a4c3d6a910a SHA-256: d019d731eac62cf12d8bd53050c667e4a5a7d138dc9f66f5f14e6c5f20b42ee0
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to external PDF files. The ML classifier also strongly flagged this document as malicious. The embedded URLs are likely used to redirect users to malicious sites or download further malware. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9908

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://kiteeearpdf.myhome.cx/1f211f215f211f212f218f215/The-Fifty-Year-Mission-The-Complete-Uncensored-Unauthorized-Oral-History-of-Star-Trek-The-First-25-Years-by-Edward-Gross.pdf
    • http://kiteeearpdf.myhome.cx/2f215f216f217f211f216/The-Other-Hollywood-The-Uncensored-Oral-History-of-the-Porn-Film-Industry-by-Legs-McNeil.pdf
    • http://kiteeearpdf.myhome.cx/1f210f212f211f217f213f213/Star-Trek-IV-The-Voyage-Home-Star-Trek-The-Original-Series-33-Movie-Novelization-4-by-Vonda-N-McIntyre.pdf
    • http://kiteeearpdf.myhome.cx/2f210f219f217f216f211/Star-Trek-The-Motion-Picture-Star-Trek-TOS-Movie-Novelizations-1-by-Alan-Dean-Foster.pdf
    • http://kiteeearpdf.myhome.cx/3f216f213f210f214f215/Star-Trek-III-The-Search-for-Spock-Star-Trek-TOS-Movie-Novelizations-3-by-Vonda-N-McIntyre.pdf
    • http://kiteeearpdf.myhome.cx/1f210f212f211f217f213f212/Star-Trek-Log-Five-Star-Trek-Logs-5-by-Alan-Dean-Foster.pdf
    • http://kiteeearpdf.myhome.cx/8f214f215f211f215f214/Chaka-Khan-Unauthorized-amp-Uncensored-by-R-B-Grimm.pdf
    • http://kiteeearpdf.myhome.cx/2f212f212f211f219f210/The-State-of-Africa-A-History-of-Fifty-Years-of-Independence-by-Martin-Meredith.pdf
    • http://kiteeearpdf.myhome.cx/1f214f212f219f217f219/The-Fate-of-Africa-A-History-of-Fifty-Years-of-Independence-by-Martin-Meredith.pdf
    • http://kiteeearpdf.myhome.cx/8f214f213f219f210f214/Star-Trek-Federation-Passport-A-Mini-Travel-Guide-and-Star-Trek-Passport-by-J-M-Dillard.pdf
    • http://kiteeearpdf.myhome.cx/4f214f217f210f215f213/Oral-History-Series-Doing-Oral-History-by-Donald-A-Ritchie.pdf
    • http://kiteeearpdf.myhome.cx/7f215f217f217f210f211/History-of-the-Thirty-Years-War-Complete-History-of-the-Revolt-of-the-Netherlands-to-the-Confederacy-of-the-Gueux-by-Friedrich-Schiller.pdf
    • http://kiteeearpdf.myhome.cx/8f216f212f216f218f219/Star-Trek-Die-n-chste-Generation---berlebende-Star-Trek-The-Next-Generation-4-by-Jean-Lorrah.pdf
    • http://kiteeearpdf.myhome.cx/1f210f212f211f215f217f217/Trek-To-Madworld-Star-Trek-Adventures-9-by-Stephen-Goldin.pdf
    • http://kiteeearpdf.myhome.cx/9f214f216f219f213f210/100-years-at-Ft-Berthold-the-history-of-Fort-Berthold-Indian-Mission-1876-1976-by-Harold-Case.pdf
    • http://kiteeearpdf.myhome.cx/5f212f218f219f217f219/Star-Trek-Star-Fleet-Technical-Manual-by-Franz-Joseph.pdf
    • http://kiteeearpdf.myhome.cx/9f212f214f213f217f218/Mission-Revisited-Between-Mission-History-and-Intercultural-Theology-In-honor-of-Pieter-N-Holtrop-by-Kuster.pdf
    • http://kiteeearpdf.myhome.cx/1f211f214f216f216f210f211/The-History-of-the-Decline-and-Fall-of-the-Roman-Empire-with-Notes-by-H-H-Milman-New-Ed-to-Which-Is-Added-a-Complete-Index-of-the-Whole-Work-by-Edward-Gibbon.pdf
    • http://kiteeearpdf.myhome.cx/8f213f214f214f215/The-History-of-The-Decline-and-Fall-of-the-Roman-Empire-Complete-and-Unabridged-With-All-Six-Volumes-Original-Maps-Working-Footnotes-Links-to-Audiobooks-and-Illustrated-by-Edward-Gibbon.pdf
    • http://kiteeearpdf.myhome.cx/9f213f219f211f219f219/The-Starr-Report---The-complete-version-The-President-Bill-Clinton---Monica-Lewinsky-Affair-Mobi-History-The-Findings-of-Independent-Counsel-Kenneth-W-Star-by-MobileReference.pdf

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