Malicious PDF — malware analysis report

Static analysis result for SHA-256 13befde65696d3f9…

MALICIOUS

PDF

20.3 KB Created: 2019-04-30 03:29:52 +01:00 Authoring application: mPDF 5.7
MD5: 1df9e3f3d7b0c749502a86f523cc6c24 SHA-1: 688af9e18da06e94bbfc80f967e5f89933fc34c3 SHA-256: 13befde65696d3f9fef870291adecc8251fb96dc231ee0dccd2f27de2cf7977d
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO spam or to distribute malicious content. The ML classifier also flagged this PDF as malicious. The primary attack pattern observed is the distribution of numerous external links, likely intended to direct users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9862

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://loaminoo.linkpc.net/7098095095098096/A-Necessary-Evil-A-History-of-American-Distrust-of-Government-by-Garry-Wills.pdf
    • http://loaminoo.linkpc.net/5091090092093/Under-God-by-Garry-Wills.pdf
    • http://loaminoo.linkpc.net/7098095094095091/Why-Priests-by-Garry-Wills.pdf
    • http://loaminoo.linkpc.net/5090096095094/James-Madison-by-Garry-Wills.pdf
    • http://loaminoo.linkpc.net/7098095094099091/Saint-Augustine-by-Garry-Wills.pdf
    • http://loaminoo.linkpc.net/7097099095092099/Certain-Trumpets-The-Nature-of-Leadership-by-Garry-Wills.pdf
    • http://loaminoo.linkpc.net/7098095096092091/The-Kennedy-Imprisonment-A-Meditation-on-Power-by-Garry-Wills.pdf
    • http://loaminoo.linkpc.net/2090095090098095/Negro-President-Jefferson-and-the-Slave-Power-by-Garry-Wills.pdf
    • http://loaminoo.linkpc.net/6094099096090095/Font-of-Life-Ambrose-Augustine-and-the-Mystery-of-Baptism-by-Garry-Wills.pdf
    • http://loaminoo.linkpc.net/1096095099090091/Bomb-Power-The-Modern-Presidency-and-the-National-Security-State-by-Garry-Wills.pdf
    • http://loaminoo.linkpc.net/5091090091099098/Inglorious-Passages-Noncombat-Deaths-in-the-American-Civil-War-by-Brian-Steel-Wills.pdf
    • http://loaminoo.linkpc.net/1099090095095090/That-Neutral-Island-A-History-of-Ireland-during-the-Second-World-War-by-Clair-Wills.pdf
    • http://loaminoo.linkpc.net/1091092092098099097/The-Federalist-The-Constitution-and-American-Government-by-Alex-Aichinger.pdf
    • http://loaminoo.linkpc.net/4098096099096098/World-History-Ancient-History-United-States-History-European-Native-American-Russian-Chinese-Asian-Indian-and-Australian-History-Wars-including-World-War-1-and-2-by-Adam-Brown.pdf
    • http://loaminoo.linkpc.net/1090092098094099096/Garry-Kasparov-on-Garry-Kasparov-Part-1-1973-1985-by-Garry-Kasparov.pdf
    • http://loaminoo.linkpc.net/5095093095094092/Crisis-and-Leviathan-Critical-Episodes-in-the-Growth-of-American-Government-by-Robert-Higgs.pdf
    • http://loaminoo.linkpc.net/2092098094092095/So-Damn-Much-Money-The-Triumph-of-Lobbying-and-the-Corrosion-of-American-Government-by-Robert-G-Kaiser.pdf
    • http://loaminoo.linkpc.net/4091095099099099/The-Color-of-Law-A-Forgotten-History-of-How-Our-Government-Segregated-America-by-Richard-Rothstein.pdf
    • http://loaminoo.linkpc.net/4090097098094091/The-Snapping-of-the-American-Mind-Healing-a-Nation-Broken-by-a-Lawless-Government-and-Godless-Culture-by-David-Kupelian.pdf
    • http://loaminoo.linkpc.net/1090098092094093098/Second-Treatise-of-Government-Concerning-The-True-Original-Extent-and-End-of-Civil-Government-by-John-Locke.pdf

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