PDF malware analysis — malicious · cb80843142259782

MALICIOUS

PDF

16.5 KB Created: 2019-05-02 17:50:24 +01:00 Authoring application: mPDF 5.7 First seen: 2021-06-04

MD5: b0c21d8505202db512fd02c47237cd94 SHA-1: 9efa8f3f2b8787da4b8182859a05cfba732183e7 SHA-256: cb80843142259782d4b66ea5f4d42ca4d5f23c9a05dbcc33b540cb3cf90099ba

92 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to a single suspicious domain, identified as a link farm. This technique is often used to manipulate search engine results or to distribute malicious content indirectly. While no scripts were explicitly extracted, the PDF structure and the heuristic firings suggest an attempt to redirect users to potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9811

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/1731736737739731732/Feminism-A-Beginner-s-Guide-by-Sally-J-Scholz.pdf In PDF document text
- http://cefasfese.4pu.com/1731736738730731737/Electroanalytical-Methods-Guide-To-Experiments-And-Applications-by-Fritz-Scholz.pdfIn PDF document text
- http://cefasfese.4pu.com/6731736731734732/The-Guy-s-Guide-to-Feminism-by-Michael-Kaufman.pdfIn PDF document text
- http://cefasfese.4pu.com/1731736737739734730/In-the-Skies-over-Europe-The-Memoirs-of-Luftwaffe-Fighter-Pilot-G-nther-Scholz-by-G-nther-Scholz.pdfIn PDF document text
- http://cefasfese.4pu.com/1738739737738739/Introducing-Feminism-A-Graphic-Guide-by-Cathia-Jenainati.pdfIn PDF document text
- http://cefasfese.4pu.com/1731736738730732731/Kris-Scholz-Photography-Landscapes-Portraits-Architecture-Flowers-by-Kris-Scholz.pdfIn PDF document text
- http://cefasfese.4pu.com/1731738730739737737/Sushi-The-Beginner-s-Guide-by-Aya-Imatani.pdfIn PDF document text
- http://cefasfese.4pu.com/3736736739733733/Feminism-FOR-REAL-Deconstructing-the-Academic-Industrial-Complex-of-Feminism-by-Krysta-Williams.pdfIn PDF document text
- http://cefasfese.4pu.com/2732731736731738/The-World-A-Beginner-s-Guide-by-G-ran-Therborn.pdfIn PDF document text
- http://cefasfese.4pu.com/6732739736739738/A-Beginner-s-Guide-to-Communing-with-the-Dead-by-suspiciousflashlight.pdfIn PDF document text
- http://cefasfese.4pu.com/2735735738736730/Sivananda-Beginner-s-Guide-to-Yoga-by-Anonymous.pdfIn PDF document text
- http://cefasfese.4pu.com/4739738733730738/Humanism-A-Beginner-s-Guide-by-Peter-Cave.pdfIn PDF document text
- http://cefasfese.4pu.com/3736731738736735/A-Beginner-s-Guide-to-Dying-in-India-by-J-M-Donellan.pdfIn PDF document text
- http://cefasfese.4pu.com/4738730733739731/A-Beginner-s-Guide-To-Salad-by-Jennifer-Joyce.pdfIn PDF document text
- http://cefasfese.4pu.com/5737734736737735/How-to-be-Kinky-A-Beginner-s-Guide-to-BDSM-by-Morpheous.pdfIn PDF document text
- http://cefasfese.4pu.com/9739739736735739/Beginner-s-Guide-to-Mountmellick-Embroidery-by-Pat-Trott.pdfIn PDF document text
- http://cefasfese.4pu.com/6732734739734735/Data-Modeling-A-Beginner-s-Guide-by-Andy-Oppel.pdfIn PDF document text
- http://cefasfese.4pu.com/2731735732734731/A-Beginner-s-Guide-to-Acting-English-by-Shappi-Khorsandi.pdfIn PDF document text
- http://cefasfese.4pu.com/2739736735732/Beginner-s-Guide-to-the-Western-Horse-by-Natlee-Kenoyer.pdfIn PDF document text
- http://cefasfese.4pu.com/1731735738738736737/Apache-Solr-Beginner-s-Guide-by-Alfredo-Serafini.pdfIn PDF document text

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