Malicious PDF — malware analysis report

Static analysis result for SHA-256 4a8a15a849d6e053…

MALICIOUS

PDF

27.1 KB Created: 2019-05-02 06:05:42 +01:00 Authoring application: mPDF 5.7
MD5: 5363fa493ce144d25c3e4f6075585bea SHA-1: 6aa81e7618850a835b607994ffd58d73c4125fd3 SHA-256: 4a8a15a849d6e05387cbc8f8931b37c9e2e43ace1c7fac6364beba1ae9999b4d
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various book titles hosted on the 'cefasfese.4pu.com' domain. While the individual links are marked as benign, the sheer volume and the nature of the heuristic suggest a link farm or SEO poisoning attempt, likely intended to drive traffic or potentially mask malicious redirects. No scripts were extracted from this sample.

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://cefasfese.4pu.com/1730732735739736734/Handbook-for-New-Christians-Christian-basics-simply-explained-by-Alan-Seel.pdf
    • http://cefasfese.4pu.com/3736738737733737/A-Handbook-of-Bible-Law-by-Charles-A-Weisman.pdf
    • http://cefasfese.4pu.com/1738739738733736/A-Young-Man-s-Guide-to-Discovering-His-Bible-by-Jim-George.pdf
    • http://cefasfese.4pu.com/9737733739738732/A-Demonstration-Handbook-for-Physics-by-George-D-Freier.pdf
    • http://cefasfese.4pu.com/5734738730731734/Fidel-Castro-Handbook-by-George-Galloway.pdf
    • http://cefasfese.4pu.com/1738739738733735/A-Young-Woman-s-Guide-to-Discovering-Her-Bible-by-Elizabeth-George.pdf
    • http://cefasfese.4pu.com/1731738730734732732/Tagging-the-Bible-How-to-unlock-understand-and-find-help-in-the-Bible-using-a-new-approach-to-Inductive-Bible-Study-a-guide-for-beginners-of-all-beliefs-by-Ulf-Preisler.pdf
    • http://cefasfese.4pu.com/8730737737732739/King-James-The-Holy-Bible-the-bible-bible-bible-study-jesus-religion-religious-heaven-king-james-old-testament-new-testament-prayer-books-christian-by-Anonymous.pdf
    • http://cefasfese.4pu.com/3736733736730730/Timeless-Truth-in-Truthless-Times-Answers-to-Tough-Questions-about-God-Christianity-and-the-Bible-by-George-Bassilios.pdf
    • http://cefasfese.4pu.com/9738737731734735/Maneuver-Warfare-Handbook-by-William-S-Lind.pdf
    • http://cefasfese.4pu.com/5735732739731736/Handbook-of-Building-Construction-Vol-1-Data-for-Architects-Designing-and-Constructing-Engineers-and-Contractors-by-George-a-Hool.pdf
    • http://cefasfese.4pu.com/5735732739739736/Handbook-of-Building-Construction-Vol-2-Data-for-Architects-Designing-and-Constructing-Engineers-and-Contractors-by-George-a-Hool.pdf
    • http://cefasfese.4pu.com/9731732739737736/Inspired-By-The-Bible-Experience-The-Complete-Bible-Audio-CD-A-Dramatic-Audio-Bible-Performed-by-400-of-Today-s-Biggest-Stars-by-Anonymous.pdf
    • http://cefasfese.4pu.com/1739735738739730/In-Search-of-Sir-Thomas-Browne-The-Life-and-Afterlife-of-the-Seventeenth-Century-s-Most-Inquiring-Mind-by-Hugh-Aldersey-Williams.pdf
    • http://cefasfese.4pu.com/9738731735733735/Student-Handbook-and-Solutions-Manual-for-Concepts-of-Genetics-by-William-S-Klug.pdf
    • http://cefasfese.4pu.com/4730731733735734/The-Public-Enemies-Handbook-A-Who-s-Who-of-America-s-Most-Notorious-Gangsters-by-William-J-Helmer.pdf
    • http://cefasfese.4pu.com/5735732739739734/Handbook-of-Building-Construction-Data-for-Architects-Designing-and-Construction-Engineers-and-Contractors-V-1-by-George-a-Hool.pdf
    • http://cefasfese.4pu.com/5735732739731739/Handbook-of-Building-Construction-Data-for-Architects-Designing-and-Construction-Engineers-and-Contractors-by-George-a-Hool.pdf
    • http://cefasfese.4pu.com/5735732739731737/Concrete-Engineers-Handbook-Data-for-the-Design-and-Construction-of-Plain-and-Reinforced-Concrete-Structures-by-George-A-Hool.pdf
    • http://cefasfese.4pu.com/5738735736733733/The-Impatience-Of-Job-by-George-William-Rutler.pdf
    • http://cefasfese.4pu.com/1731738730734732732/Tagging-the-Bible-How-to-unlock-understand-and-find-help-in-the-Bible-using-a-new-approach-to-Inductive-Bible-Stu

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