Malicious PDF — malware analysis report

Static analysis result for SHA-256 0edd04dc73c0fb60…

MALICIOUS

PDF

45.5 KB Created: 2019-06-05 06:13:42 +01:00 Authoring application: mPDF 5.7
MD5: 7c4a05ee4096f4985c95d973edde278f SHA-1: f8396cc837b0e38e9c387e5def3d7126b27ccc3e SHA-256: 0edd04dc73c0fb60d5c0d8e366700b8bc81fc7ebc3a897ad27a1b912157bf501
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged the document as malicious. While the document body is heavily obfuscated, the presence of numerous links suggests an attempt to direct users to potentially malicious or SEO-manipulated content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9556

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/4737734737733736/The-Other-America-Poverty-in-the-United-States-by-Michael-Harrington.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/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/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/9730738735736733/The-Constitution-of-the-United-States-of-America-by-Sam-Fink.pdf
    • http://cefasfese.4pu.com/2734738738730736/The-Constitution-of-the-United-States-of-America-by-Founding-Fathers.pdf
    • http://cefasfese.4pu.com/8731736738731736/The-Best-Boy-in-the-United-States-Of-America-A-Memoir-of-Blessings-and-Kisses-by-Ron-Wolfson.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/1735738737730/Alone-With-America-Essays-on-the-Art-of-Poetry-in-the-United-States-Since-1950-by-Richard-Howard.pdf
    • http://cefasfese.4pu.com/8730735736739735/Lenses-The-United-States-of-America-a-Historical-Artistic-Snapshot-by-Zeina-W-Malek.pdf
    • http://cefasfese.4pu.com/6732737733735731/God-Bless-America-Strange-and-Unusual-Religious-Beliefs-and-Practices-in-the-United-States-by-Karen-Stollznow.pdf
    • http://cefasfese.4pu.com/6733736731739736/Carmel-in-America-A-centennial-history-of-the-Discalced-Carmelites-in-the-United-States-by-Charles-Warren-Currier.pdf
    • http://cefasfese.4pu.com/2733739734737732/The-United-States-of-Appalachia-How-Southern-Mountaineers-Brought-Independence-Culture-and-Enlightenment-to-America-by-Jeff-Biggers.pdf
    • http://cefasfese.4pu.com/1730737734732736736/Comrade-Gulliver-An-Illustrated-Account-of-Travel-Into-That-Strange-Country-the-United-States-of-America-by-Hugo-Gellert.pdf
    • http://cefasfese.4pu.com/9738736738736735/Land-of-Promise-An-Economic-History-of-the-United-States-by-Michael-Lind.pdf
    • http://cefasfese.4pu.com/3733736732731735/American-Spies-Espionage-Against-the-United-States-from-the-Cold-War-to-the-Present-by-Michael-J-Sulick.pdf
    • http://cefasfese.4pu.com/8735732738730735/United-States-Circuit-Court-of-Appeals-for-the-Ninth-Circuit-Josef-Kostenowczyk-Etc-Appellant-vs-John-D-Nagle-as-Commissioner-of-Immigration-at-the-Port-of-San-Francisco-California-Appelle-by-United-States-Court-of-Appeals.pdf

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