Malicious PDF — malware analysis report

Static analysis result for SHA-256 cdffe6357dc2478e…

MALICIOUS

PDF

66.2 KB Created: 2019-04-30 04:06:55 +01:00 Authoring application: mPDF 5.7
MD5: db4bbe94469b964ce414630c0f160f4b SHA-1: ca2c9b6f2b1410d0db3b42b80428affe17cd4a69 SHA-256: cdffe6357dc2478ea77947713265809666e4c439469761983e3f8585cf29ad3f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was flagged by a machine learning classifier and contains a large number of embedded external links, indicating a potential SEO manipulation or link farm tactic. The document body is heavily obfuscated, making it difficult to determine the exact user-facing content. However, the presence of numerous links suggests an attempt to direct users to potentially malicious external resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9260

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/8095092098091096/In-the-United-States-Circuit-Court-of-Appeals-for-the-Ninth-Circuit-United-States-of-America-Appellant-vs-Emery-J-Lesher-Appelle-Transcript-of-Record-Upon-Appeal-from-the-United-States-District-Court-for-the-District-of-Oregon-by-United-States-Court-of-Appeals.pdf
    • http://loaminoo.linkpc.net/8095092098091093/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://loaminoo.linkpc.net/8095092098090094/United-States-Circuit-Court-of-Appeals-for-the-Ninth-Circuit-N-N-S-Matcovich-Appellant-vs-Richard-Nickell-as-Collector-of-Internal-Revenue-for-the-First-District-of-California-Appelle-Transcript-of-Record-Upon-Appeal-from-the-District-Court-of-by-United-States-Circuit-Court-of-Appeals.pdf
    • http://loaminoo.linkpc.net/8095092098090091/United-States-Circuit-Court-of-Appeals-for-the-Ninth-Circuit-Northwestern-National-Insurance-Company-a-Corporation-Appellant-vs-Geo-McFarlane-Appelle-Transcript-of-Record-Upon-Appeal-from-the-United-States-District-Court-for-the-Southern-District-by-U-S-Court-of-Appeals-Ninth-Circuit.pdf
    • http://loaminoo.linkpc.net/8095092098091098/United-States-Court-of-Appeals-for-the-Ninth-Circuit-Vol-1-of-3-Greene-Process-Metal-Company-a-Corporation-Appellant-vs-Washington-Iron-Works-a-Corporation-Appelle-Transcript-of-Record-Pages-1-522-Upon-Appeal-from-the-District-Court-of-the-Uni-by-United-States-Circuit-Court-of-Appeals.pdf
    • http://loaminoo.linkpc.net/8095092097099098/United-States-Circuit-Court-of-Appeals-for-the-Ninth-Circuit-Ngai-Kwan-Ying-Appellant-vs-John-D-Nagle-Commissioner-of-Immigration-Port-of-San-Francisco-California-Appelle-Transcript-of-Record-by-United-States-Circuit-Court-of-Appeals.pdf
    • http://loaminoo.linkpc.net/1090091094093093091/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://loaminoo.linkpc.net/1090091094093093094/United-States-Circuit-Court-of-Appeals-for-the-Ninth-Circuit-Vol-13-The-United-States-of-America-Appellant-vs-William-F-Kettenbach-George-H-Kester-and-William-Dwyer-Appellees-Transcript-of-Record-Pages-4575-to-4724-Inclusive-by-U-S-Court-of-Appeals-Ninth-Circuit.pdf
    • http://loaminoo.linkpc.net/1090091094093094090/United-States-Circuit-Court-of-Appeals-for-the-Ninth-Circuit-Vol-3-of-6-Transcript-of-Record-William-F-Kettenbach-Geo-H-Kester-and-William-Dwyer-Plaintiffs-in-Error-vs-the-United-States-of-America-Defendant-in-Error-Pages-817-to-1232-Inclusi-by-United-States-Circuit-Court-of-Appeals.pdf
    • http://loaminoo.linkpc.net/6096094097099090/United-States-Circuit-Court-of-Appeals-for-the-Ninth-Circuit-Walter-M-Petitfils-Petitioner-vs-Commissioner-of-Internal-Revenue-Respondent-Transcript-of-Record-Upon-Petition-to-Review-an-Order-of-the-United-States-Board-of-Tax-Appeals-by-U-S-Court-of-Appeals-Ninth-Circuit.pdf
    • http://loaminoo.linkpc.net/7097094092099092/In-the-United-States-Circuit-Court-of-Appeals-Ninth-Circuit-The-Oregon-and-California-Railroad-Company-a-Corporation-Complainant-and-Appellant-vs-Maria-de-Grubissich-Nee-Maria-de-Pourtales-Defendant-and-Appellee-Upon-Appeal-from-the-United-States-by-U-S-Court-of-Appeals-Ninth-Circuit.pdf
    • http://loaminoo.linkpc.net/1090092094096090093/United-States-Court-of-Appeals-for-the-Ninth-Circuit-Connell-Brothers-Company-a-Corporation-Plaintiff-in-Error-vs-H-Diederichsen-and-Company-Defendant-in-Error-Transcript-of-Record-Upon-Writ-of-Error-to-the-United-States-Court-for-China-by-United-States-Circuit-Court-of-Appeals.pdf
    • http://loaminoo.linkpc.net/8095092097099095/In-the-United-States-Circuit-Court-of-Appeals-for-the-Ninth-Circuit-Wilson-Western-Sporting-Goods-Co-a-Corporation-Appellant-and-Cross-Appellee-vs-George-E-Barnhart-Cross-Appellant-and-Appelle-by-United-States-Court-of-Appeals.pdf
    • http://loaminoo.linkpc.net/8095092097099097/United-States-Circuit-Court-of-Appeals-for-the-Ninth-Circuit-Imperial-Irrigation-District-an-Irrigation-District-Appellant-and-Cross-Appellee-vs-the-Nevada-California-Electric-Corporation-a-Corporation-Appelle-and-Cross-Appellant-Transcript-of-Rec-by-U-S-Court-of-Appeals-Ninth-Circuit.pdf
    • http://loaminoo.linkpc.net/8095092098091094/United-States-Circuit-Court-of-Appeals-for-the-Ninth-Circuit-Vol-1-Dexter-Horton-Trust-and-Savings-Bank-Appellant-vs-the-County-of-Clearwater-of-the-State-of-Idaho-and-Oren-D-Crockett-as-Treasurer-of-Said-County-Appelles-Transcript-of-the-Recor-by-U-S-Court-of-Appeals-Ninth-Circuit.pdf
    • http://loaminoo.linkpc.net/1090092090094097091/Roe-V-Wade-by-United-States-Supreme-Court.pdf
    • http://loaminoo.linkpc.net/2093093095098/The-Supreme-Court-in-United-States-History-by-Charles-Warren.pdf
    • http://loaminoo.linkpc.net/8090090091094092/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://loaminoo.linkpc.net/2093093096091/The-Supreme-Court-in-United-States-History-Volume-One-1789-1821-by-Charles-Warren.pdf
    • http://loaminoo.linkpc.net/5091099092091094/The-Birth-of-the-Modern-Constitution-The-United-States-Supreme-Court-1941-1953-by-William-M-Wiecek.pdf

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