Malicious PDF — malware analysis report

Static analysis result for SHA-256 7a8b4b0412a95980…

MALICIOUS

PDF

18.9 KB Created: 2019-04-30 17:46:15 +01:00 Authoring application: mPDF 5.7
MD5: aeeed3e68b0616a9634e4e3d8cef52cf SHA-1: b5dbd51ee83d9f20595e74bd1bebb5306691e2c6 SHA-256: 7a8b4b0412a95980542b127405dcef8e30e981ddc1502fdebf33868cedea3af0
150 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 as a 'PDF_SEO_LINK_FARM' heuristic. These links point to various book titles hosted on the same domain, suggesting a lure to download further content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to distribute other malware or phishing content through these links. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9912

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-7202927-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7202927-0
  • 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/1091092093090097092/Atlantis-Rediscovered-An-Orbis-Enigma-Book-Orbis-Enigma-Series-by-Jacques-H-bert.pdf
    • http://loaminoo.linkpc.net/1091092093090097091/The-Secrets-of-Old-Testament-Book-One---An-Orbis-Enigma-Book-by-Roger-Sabbah.pdf
    • http://loaminoo.linkpc.net/7095098095099094/Enigma-The-Final-Chapter-Enigma-4-by-Shandi-Boyes.pdf
    • http://loaminoo.linkpc.net/7095098097095091/The-Enigma-Broker-The-Enigma-8-by-Charles-V-Breakfield.pdf
    • http://loaminoo.linkpc.net/7095098095094097/Enigma-of-Life-Enigma-1-by-Shandi-Boyes.pdf
    • http://loaminoo.linkpc.net/1091092093090097096/Beyond-The-Orbis-Series-by-Richard-Rorabaugh.pdf
    • http://loaminoo.linkpc.net/1091091098098098094/Armageddon-2015-The-Annunaki-Enigma-Series-by-E-Gaylon-McCollough.pdf
    • http://loaminoo.linkpc.net/6098097095099091/Corpus-Der-Siegel-Amulette-Aus-Jordanien-Vom-Neolithikum-Bis-Zur-Perserzeit-In-Zusammenarbeit-Mit-Daphna-Ben-Tor-Et-Al-Orbis-Biblicus-Et-Orientalis-Series-Archaeologica-by-Juerg-Eggler.pdf
    • http://loaminoo.linkpc.net/7099096094091099/Enigma-The-Complete-Collection-Four-book-box-set-Perception-6-by-Shandi-Boyes.pdf
    • http://loaminoo.linkpc.net/3094094092099093/The-Catcher-in-the-Rye-Enigma-J-D-Salinger-s-Mind-Control-Triggering-Device-or-a-Coincidental-Literary-Obsession-of-Criminals-The-Underground-Knowledge-Series-4-by-James-Morcan.pdf
    • http://loaminoo.linkpc.net/1091092092099093094/Orbis-by-Allison-McFarland.pdf
    • http://loaminoo.linkpc.net/3093091096097092/The-Domino-Enigma-The-Domino-Series-2-by-Cyrian-Amberlake.pdf
    • http://loaminoo.linkpc.net/1091092092099092098/Orbis-Naturalis-by-Timothy-Griffith.pdf
    • http://loaminoo.linkpc.net/1091092093090090096/Children-of-Orbis-by-Paul-James-Thompson.pdf
    • http://loaminoo.linkpc.net/1091092093091099094/The-Orbis-Pictus-by-John-Amos-Comenius.pdf
    • http://loaminoo.linkpc.net/1091092092099093090/Introducing-Black-Theology-of-Liberation-by-Orbis.pdf
    • http://loaminoo.linkpc.net/1091092092099093098/Darkness-Before-the-Dawn-Orbis-Airlines-1-by-Belle-Reilly.pdf
    • http://loaminoo.linkpc.net/9091092092099098/Mysterium-Liberations-Fundamental-Concepts-of-Liberation-Theology-by-Orbis.pdf
    • http://loaminoo.linkpc.net/2094097092093/Tl-n-Uqbar-Orbis-Tertius-by-Jorge-Luis-Borges.pdf
    • http://loaminoo.linkpc.net/1091092093090096091/The-African-Synod-Documents-Reflections-Perspectives-by-Orbis-Books.pdf
    • http://loaminoo.linkpc.net/6098097095099091/Corpus-Der-Siegel-Amulette-Aus-Jordanien-Vom-Neolith