Malicious PDF — malware analysis report

Static analysis result for SHA-256 41c97eb68a14a99f…

MALICIOUS

PDF

30.1 KB Created: 2019-05-02 07:19:43 +01:00 Authoring application: mPDF 5.7
MD5: 4e1227d8bad5aa5a28a9d6b14e4c9e45 SHA-1: 6dc38dcfa442b6131ce28f1c03a0035f91543547 SHA-256: 41c97eb68a14a99fc0485d7d332b5238f84c7ad44dadffb385e88f65404566a1
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Phishing: Spearphishing Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The PDF document exhibits characteristics of a link farm, containing numerous embedded URLs that point to other PDF files. This technique is often used for SEO manipulation or to distribute malicious payloads disguised as legitimate documents. No scripts were extracted, and the document body primarily consists of these URLs and associated metadata. The primary attack pattern observed is the creation of a link farm, likely to direct users to potentially harmful content.

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/6091094099090093/Modern-Synthesis-Processes-and-Reactivity-of-Fluorinated-Compounds-Progress-in-Fluorine-Science-by-Henri-Groult.pdf
    • http://loaminoo.linkpc.net/7096094097090099/The-Secret-Doctrine-Vol-2-of-2-The-Synthesis-of-Science-Religion-and-Philosophy-Forgotten-Books-by-Helena-Petrovna-Blavatsky.pdf
    • http://loaminoo.linkpc.net/1091099092092091090/Fundamentals-of-Modern-Manufacturing-Materials-Processes-and-Systems-by-Mikell-P-Groover.pdf
    • http://loaminoo.linkpc.net/9092096092093091/Evolutionary-Theory-and-Processes-Modern-Perspectives-Papers-in-Honour-of-Eviatar-Nevo-by-Solomon-P-Wasser.pdf
    • http://loaminoo.linkpc.net/6092090090093091/The-Road-to-Corbyn-A-Modern-Day-Pilgrim-s-Progress-by-Rob-Donovan.pdf
    • http://loaminoo.linkpc.net/5093097090091095/Progress-in-Polymer-Science-Japan-by-Toshinobu-Higashimura.pdf
    • http://loaminoo.linkpc.net/8099090097097098/CHEMISTRY-amp-CHEM-REACTIVITY-W-CD-GNL-CHEM-NOW-06-BUNDLE-SP-Chemistry-amp-Chemical-Reactivity-by-Paul-M-Treichel-Gabriela-C-Weaver-John-C-Kotz.pdf
    • http://loaminoo.linkpc.net/8095093099097097/La-Science-et-l-Hypoth-se-Nouveau-titre-1-by-Henri-Poincar-.pdf
    • http://loaminoo.linkpc.net/6099096092097097/The-First-Science-Fiction-MEGAPACK-25-Modern-and-Classic-Science-Fiction-Tales-by-Robert-Silverberg.pdf
    • http://loaminoo.linkpc.net/9092096092098092/Evolutionary-Theory-and-Processes-Modern-Perspectives-Papers-in-Honour-of-Eviatar-Nevo-by-Eviatar-Nevo.pdf
    • http://loaminoo.linkpc.net/6091094098099097/Notre-R--EVOLUTION-est-en-marche-by-Alain-GROULT.pdf
    • http://loaminoo.linkpc.net/8095095097098091/The-Swiss-Family-Robinson-Or-Adventures-of-a-Father-and-Mother-and-Four-Sons-in-a-Desert-Island-The-Genuine-Progress-of-the-Story-Forming-a-Clear-Illustration-of-the-First-Principles-of-Natural-History-and-Many-Branches-of-Science-Which-Most-by-Johann-David-Wyss.pdf
    • http://loaminoo.linkpc.net/9090092091090098/The-Origin-Progress-and-Difficulties-of-the-Achill-Mission-As-Detailed-in-the-Minutes-of-Evidence-Taken-Before-the-Select-Committee-of-the-House-of-Lords-Appointed-to-Inquire-Into-the-Progress-and-Operation-of-the-New-Plan-of-Education-in-Ireland-And-by-Edward-Nangle.pdf
    • http://loaminoo.linkpc.net/7093096099093096/La-Cour-de-Catherine-de-M-dicis-de-Charles-IX-de-Henri-III-et-de-Henri-IV-Tome-2-by-Marie-Armande-Jeanne-Gacon-Dufour.pdf
    • http://loaminoo.linkpc.net/1090090092096093/Physics-and-Philosophy-The-Revolution-in-Modern-Science-by-Werner-Heisenberg.pdf
    • http://loaminoo.linkpc.net/8092090098094/To-Explain-the-World-The-Discovery-of-Modern-Science-by-Steven-Weinberg.pdf
    • http://loaminoo.linkpc.net/7092098095090/To-Explain-the-World-The-Discovery-of-Modern-Science-by-Steven-Weinberg.pdf
    • http://loaminoo.linkpc.net/2093090099093/The-Launching-Of-Modern-American-Science-1846-1876-by-Robert-V-Bruce.pdf
    • http://loaminoo.linkpc.net/3097099092090098/Milestones-of-Science-and-Technology-Making-the-Modern-World-by-Peter-Morris.pdf
    • http://loaminoo.linkpc.net/5091091090093095/God-s-Philosophers-How-the-Medieval-World-Laid-the-Foundations-of-Modern-Science-by-James-Hannam.pdf

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