Malicious PDF — malware analysis report

Static analysis result for SHA-256 265c61e245561cc6…

MALICIOUS

PDF

21.3 KB Created: 2019-04-30 02:48:10 +01:00 Authoring application: mPDF 5.7
MD5: 17616c560447153421c192d10cfe0b53 SHA-1: 5b58e0d3230c1ee9360d39504a4103c82ad531d1 SHA-256: 265c61e245561cc6f8aa020ed89b9165fed29f83b0b1cb43722eaf7bb9b5fbe7
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. While the document body is unreadable, the structure suggests a link farm designed to manipulate search engine results or redirect users to malicious content. The ML classifier also strongly indicated maliciousness. The primary IOCs are the numerous URLs embedded within the PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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://seasasac.lflinkup.com/5da9da4da8da7da7/Rock-and-Roll-Always-Forgets-A-Quarter-Century-of-Music-Criticism-by-Chuck-Eddy.pdf
    • http://seasasac.lflinkup.com/4da4da1da3da5da4/Rock-and-Roll-Always-Forgets-A-Quarter-Century-of-Music-Criticism-by-Chuck-Eddy.pdf
    • http://seasasac.lflinkup.com/1da4da6da7da7da4/Sheet-Music-A-Rock-N-Roll-Love-Story-Sheet-Music-1-by-Ann-Lister.pdf
    • http://seasasac.lflinkup.com/4da9da7da0da0da5/20th-Century-Rock-Roll-PUNK-by-Dave-Thompson.pdf
    • http://seasasac.lflinkup.com/9da0da2da3da3da1/7th-Heaven-and-the-Rock-n-roll-Kids-Rock-n-roll-to-the-Rescue-Art-and-Introduction-by-Roy-Adorjan.pdf
    • http://seasasac.lflinkup.com/5da0da0da3da6da2/Secret-History-of-Rock-n-Roll-The-Mysterious-Roots-of-Modern-Music-by-Christopher-Knowles.pdf
    • http://seasasac.lflinkup.com/7da5da8da2da3/Rock-n-Roll-Promises-Rock-n-Roll-Paraphantasy-1-by-AmBear-Shellea.pdf
    • http://seasasac.lflinkup.com/4da4da1da1da8da9/Hollywood-Rocks-The-Ultimate-Guide-to-the-1980-s-Hollywood-California-Rock-N-Roll-Music-Scene-by-Michael-J-Rocchio.pdf
    • http://seasasac.lflinkup.com/8da0da4da9da9da1/It-s-not-only-rock-n-roll-Sexe-drogues-et-sagesse-du-rock-by-Catherine-Viale.pdf
    • http://seasasac.lflinkup.com/4da9da8da2da0da7/Rock-of-Ages-The-Rolling-Stone-History-of-Rock-and-Roll-by-Ed-Ward.pdf
    • http://seasasac.lflinkup.com/4da4da1da8da9da9/All-Roots-Lead-to-Rock-Legends-of-Early-Rock-n-Roll-A-Bear-Family-Reader-by-Colin-Escott.pdf
    • http://seasasac.lflinkup.com/9da3da5da9da6da9/Reflections-on-American-Music-The-Twentieth-Century-and-the-New-Millennium-A-Collection-of-Essays-Presented-in-Honor-of-the-College-Music-Society-Cms-Bibliographies-in-American-Music-No-16-by-Michael-Benton-Saffle.pdf
    • http://seasasac.lflinkup.com/7da5da7da8da4da4/Equality-Transformed-A-Quarter-Century-of-Affirmative-Action-by-Herman-Belz.pdf
    • http://seasasac.lflinkup.com/4da9da7da4da7da0/Rock-amp-Roll-Rip-Off-by-R-J-McDonnell.pdf
    • http://seasasac.lflinkup.com/4da9da8da0da9da6/Rock-amp-Roll-Homicide-by-R-J-McDonnell.pdf
    • http://seasasac.lflinkup.com/2da8da6da7da4/Hex-Death-amp-Rock-N-Roll-by-E-F-Watkins.pdf
    • http://seasasac.lflinkup.com/4da5da1da7da4da1/Rock-n-Roll-Nights-by-Todd-Strasser.pdf
    • http://seasasac.lflinkup.com/1da2da6da1da4da5/Rock-and-Roll-Tourist-by-Graham-Forbes.pdf
    • http://seasasac.lflinkup.com/6da6da0da3da3da2/Riff-A-Lil-Bit-Country-amp-A-Lil-Bit-Rock-amp-Roll-1-by-Skye-Turner.pdf
    • http://seasasac.lflinkup.com/4da4da1da9da0da3/Rock-amp-Roll-An-Unruly-History-by-Robert-Palmer.pdf
    • http://seasasac.lflinkup.com/7da

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