Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc1d05befb23a577…

MALICIOUS

PDF

39.8 KB Created: 2019-11-07 10:50:28 +00:00 Authoring application: mPDF 5.7
MD5: f43e1446530219376fbf0e9db8f9f90b SHA-1: 56ed6c2e5290d3fc35886cf63e560e20c310273a SHA-256: fc1d05befb23a577c634c317a06b4a46be8cb2d6a646be02c9d98a033cb3d10c
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF document contains a large number of embedded URLs, many of which are numerically slugged and appear to be part of a link farm designed to deceive users. The ML classifier also flagged this PDF as malicious. The primary attack pattern involves luring users to external resources via these links, which is consistent with a phishing or content-distribution scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9578

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://cefasfese.4pu.com/7732735734738737/The-Diary-and-Letters-of-Gouverneur-Morris-Minister-of-the-United-States-to-France-Volume-2-by-Gouverneur-Morris.pdf
    • http://cefasfese.4pu.com/7732735734738730/Diary-and-Letters-of-Gouverneur-Morris-Volume-2-by-Anne-Cary-Morris.pdf
    • http://cefasfese.4pu.com/7732735734737737/Diary-and-Letters-of-Gouverneur-Morris-Volume-1-by-Anne-Cary-Morris.pdf
    • http://cefasfese.4pu.com/7732735734735735/The-Footprint-and-Other-Stories-by-Gouverneur-Morris.pdf
    • http://cefasfese.4pu.com/6730738733739732/The-Life-of-Gouverneur-Morris-by-Jared-Sparks.pdf
    • http://cefasfese.4pu.com/7732735734736735/American-Statesmen-Gouverneur-Morris-by-Theodore-Roosevelt.pdf
    • http://cefasfese.4pu.com/3736739738735731/Gentleman-Revolutionary-Gouverneur-Morris-the-Rake-Who-Wrote-the-Constitution-by-Richard-Brookhiser.pdf
    • http://cefasfese.4pu.com/6730738733739737/Thea-Gouverneur-s-Flowers-in-Cross-Stitch-by-Thea-Gouverneur.pdf
    • http://cefasfese.4pu.com/7732735734738736/Bl-tenzauber-In-Kreuzstich-by-Thea-Gouverneur.pdf
    • http://cefasfese.4pu.com/5733730730737736/Le-Gouverneur-Du-Territoire-Roman-by-Alioum-Fantour-.pdf
    • http://cefasfese.4pu.com/1730731734733733731/United-States-Circuit-Court-of-Appeals-for-the-Ninth-Circuit-1912-Vol-5-of-6-Transcript-of-Record-William-F-Kettenbach-and-George-H-Kester-Plaintiffs-in-Error-Vs-The-United-States-of-America-Defendant-in-Error-Pages-1521-to-1916-Inclusive-by-United-States-Court-of-Appeals.pdf
    • http://cefasfese.4pu.com/6730738733736737/The-Secret-Garden-of-Cross-Stitch-by-Thea-Gouverneur.pdf
    • http://cefasfese.4pu.com/4734736730732732/Outpassage-by-Jante-Morris-Chris-Morris.pdf
    • http://cefasfese.4pu.com/1730731734732739737/United-States-Circuit-Court-of-Appeals-for-the-Ninth-Circuit-Vol-7-The-United-States-of-America-Appellant-vs-William-F-Kettenbach-George-H-Kester-Clarence-W-Robnett-William-Dwyer-and-Frank-W-Kettenbach-Appellees-Transcript-of-Record-Pages-by-United-States-Court-of-Appeals.pdf
    • http://cefasfese.4pu.com/1730731734733733730/United-States-Circuit-Court-of-Appeals-for-the-Ninth-Circuit-No-2209-Vol-9-The-United-States-of-America-Appellant-vs-William-F-Kettenbach-George-H-Kester-Clarence-W-Robnett-William-Dwyer-and-Frank-W-Kettenbach-Appellees-Transcript-of-Rec-by-United-States-Court-of-Appeals.pdf
    • http://cefasfese.4pu.com/1730731734732739738/United-States-Circuit-Court-of-Appeals-for-the-Ninth-Circuit-Vol-5-The-United-States-of-America-Appellant-Vs-William-F-Kettenbach-George-H-Kester-Clarence-W-Robnett-William-Dwyer-and-Frank-W-Kettenbach-Appellees-Transcript-of-Record-by-United-States-Circuit-Court-of-Appeals.pdf
    • http://cefasfese.4pu.com/6736731731732739/News-from-Nowhere-or-an-Epoch-of-Rest-Being-Some-Chapters-from-a-Utopian-Romance-1890-by-William-Morris-by-William-Morris.pdf
    • http://cefasfese.4pu.com/8735732738731733/United-States-Circuit-Court-of-Appeals-Fo-the-Ninth-Circuit-The-United-States-of-America-Appellant-vs-Komada-and-Co-Appelle-Condensed-Transcript-of-Record-Upon-Appeal-from-the-United-States-Circuit-Court-for-Northern-District-of-California-by-U-S-Court-of-Appeals-Ninth-Circuit.pdf
    • http://cefasfese.4pu.com/8735732738731739/United-States-Circuit-Court-of-Appeals-Fo-the-Ninth-Circuit-The-United-States-of-America-Appellant-vs-Komada-and-Co-Appelle-Condensed-Transcript-of-Record-Upon-Appeal-from-the-United-States-Circuit-Court-for-Northern-District-of-California-by-U-S-Court-of-Appeals-Ninth-Circuit.pdf
    • http://cefasfese.4pu.com/8730730731734732/The-Collection-of-United-States-Cents-of-Dr-S-T-Millard-Together-with-the-Collections-of-United-States-and-Pioneer-Gold-and-Silver-Coins-of-Mr-Edward-Heissler-Chicago-and-Other-Properties-To-Be-Sold-at-Auction-Thursday-March-18th-1915-by-B-Max-Mehl.pdf
    • http://cefasfese.4pu.com/3736739738735731/Gentleman-Revolutionary-Gouverneur-Morris-the-Rake-Who-Wrote-the-Con

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