Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d3aae596c474fea…

MALICIOUS

PDF

25.7 KB Created: 2019-04-30 17:42:25 +01:00 Authoring application: mPDF 5.7
MD5: b3994b8bcc3d813e9b32d6bb7abead8a SHA-1: 13f03aab46d612e88ef410fb3fe4b53d4bf49e56 SHA-256: 5d3aae596c474fead0bef1297ffdd8db9dbc6e03742c1767cbf4771dbca05763
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. While the document body itself is heavily obfuscated, the presence of numerous links suggests an attempt to manipulate search engine results or redirect users to potentially malicious content hosted on the 'seasasac.lflinkup.com' domain. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9727

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/8da9da4da6da0da5/Wanderings-of-a-Journeyman-Tailor-Through-Europe-and-the-East-During-the-Years-1824-to-1840-by-Peter-Diedrich-Holthaus.pdf
    • http://seasasac.lflinkup.com/7da3da8da1da1da2/Primary-Sources-Historical-Collections-A-Personal-Narrative-of-Two-Years-Imprisonment-in-Burmah-1824-26-with-a-Foreword-by-T-S-Wentworth-by-Henry-Gouger.pdf
    • http://seasasac.lflinkup.com/2da5da9da0da1da5/Poor-But-Sexy-Culture-Clashes-in-Europe-East-and-West-by-Agata-Pyzik.pdf
    • http://seasasac.lflinkup.com/5da0da7da3da3da8/Welfare-States-in-East-Central-Europe-1919-2004-by-Tomasz-Inglot.pdf
    • http://seasasac.lflinkup.com/4da7da8da9da1da1/Peter-Paul-and-Mary-Fifty-Years-in-Music-and-Life-by-Peter-Yarrow.pdf
    • http://seasasac.lflinkup.com/1da0da2da4da1da4/The-Vertigo-Years-Europe-1900-1914-by-Philipp-Blom.pdf
    • http://seasasac.lflinkup.com/6da4da0da1da4da2/The-Self-Identification-of-National-and-Religious-Minorities-in-East-Central-Europe-The-Mapping-Problem-Samoidentyfikacja-mniejszo-ci-narodowych-i-religijnych-w-Europie-rodkowo-Wschodniej-Problematyka-atlasowa-by-Jan-Skarbek.pdf
    • http://seasasac.lflinkup.com/1da1da6da8da9da2da3/Company-Law-In-Europe-by-Peter-Meinhardt.pdf
    • http://seasasac.lflinkup.com/4da8da9da2da6da8/A-History-of-the-Middle-East-by-Peter-Mansfield.pdf
    • http://seasasac.lflinkup.com/4da4da9da2da4/East-o-the-Sun-and-West-o-the-Moon-by-Peter-Christen-Asbj-rnsen.pdf
    • http://seasasac.lflinkup.com/1da0da1da6da7da0da2/1848-The-Revolutionary-Tide-in-Europe-by-Peter-N-Stearns.pdf
    • http://seasasac.lflinkup.com/5da0da8da2da1da7/Peiresc-s-Europe-Learning-and-Virtue-in-the-Seventeenth-Century-by-Peter-N-Miller.pdf
    • http://seasasac.lflinkup.com/4da3da7da0da6da1/Setting-the-East-Ablaze-Lenin-s-Dream-of-an-Empire-in-Asia-by-Peter-Hopkirk.pdf
    • http://seasasac.lflinkup.com/2da3da8da8da0da9/The-German-Genius-Europe-s-Third-Renaissance-the-Second-Scientific-Revolution-and-the-Twentieth-Century-by-Peter-Watson.pdf
    • http://seasasac.lflinkup.com/3da6da4da1da6da5/Journeyman-s-Ride-by-Marie-Harte.pdf
    • http://seasasac.lflinkup.com/7da8da0da6da3da2/Volume-III-2016-Europe-s-Best-Psychics-And-Mediums-2016-Meilleurs-Voyants-et-M-diums-de-France-et-d-Europe-BEST-LIGHTWORKERS-IN-EUROPE-Book-3-by-Jean-Maximillien-De-La-Croix-de-Lafayette.pdf
    • http://seasasac.lflinkup.com/3da6da8da9da3da8/The-Stars-for-Valentine-s-Day-The-Journeyman-s-Way-1-by-Trinity-Blacio.pdf
    • http://seasasac.lflinkup.com/6da7da7da5da1/The-Pragmatic-Programmer-From-Journeyman-to-Master-by-Andy-Hunt.pdf
    • http://seasasac.lflinkup.com/7da5da2da2da3/River-Town-Two-Years-on-the-Yangtze-by-Peter-Hessler.pdf
    • http://seasasac.lflinkup.com/4da3da7da0da8da1/Rick-Steves-Postcards-from-Europe-25-Years-of-Travel-Tales-from-America-s-Favorite-Guidebook-Writer-by-Rick-Steves.pdf