PDF malware analysis — malicious · 847c31cceff5a7c7

MALICIOUS

PDF

17.4 KB Created: 2019-11-21 12:47:27 +00:00 Authoring application: mPDF 5.7 First seen: 2021-08-20

MD5: caa833b4cf8db301368f04f9c18a1c23 SHA-1: 1153b65a52a59c046cd2b10a49dfdeb918ce8611 SHA-256: 847c31cceff5a7c76dc92d4726c00800518efa5ca30ab02c91cfb8757de63e2f

92 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links pointing to external PDF files, a technique often used for SEO poisoning or to distribute further malicious content. The ML classifier also flagged this PDF as malicious. The primary attack pattern observed is the mass linking to external resources, likely intended to direct users to potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9788

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/6733732739732/The-Envoy-from-Mirror-City-Autobiography-3-by-Janet-Frame.pdf In PDF document text
- http://cefasfese.4pu.com/9736736732736730/Ein-Engel-an-meiner-Tafel-Eine-Autobiographie-Autobiography-1-3-by-Janet-Frame.pdfIn PDF document text
- http://cefasfese.4pu.com/5730735736737737/Owls-Do-Cry-by-Janet-Frame.pdfIn PDF document text
- http://cefasfese.4pu.com/4731733731739738/The-Carpathians-by-Janet-Frame.pdfIn PDF document text
- http://cefasfese.4pu.com/2739736733736738/Faces-in-the-Water-by-Janet-Frame.pdfIn PDF document text
- http://cefasfese.4pu.com/2737733733730730/The-Lagoon-A-Collection-of-Short-Stories-by-Janet-Frame.pdfIn PDF document text
- http://cefasfese.4pu.com/3739734732732737/Between-My-Father-and-the-King-New-and-Uncollected-Stories-by-Janet-Frame.pdfIn PDF document text
- http://cefasfese.4pu.com/3739734730732/The-Mortal-Instruments-the-Complete-Collection-City-of-Bones-City-of-Ashes-City-of-Glass-City-of-Fallen-Angels-City-of-Lost-Souls-City-of-Heavenly-Fire-by-Cassandra-Clare.pdfIn PDF document text
- http://cefasfese.4pu.com/1736732736737732/Mirror-s-Hope-Mirror-Worlds-1-by-Justine-Alley-Dowsett.pdfIn PDF document text
- http://cefasfese.4pu.com/9734736733736737/HALO-Envoy-by-Tobias-S-Buckell.pdfIn PDF document text
- http://cefasfese.4pu.com/6736735738/Mirror-Mirror-by-Cara-Delevingne.pdfIn PDF document text
- http://cefasfese.4pu.com/2733733730735739/Sir-William-Hamilton-Envoy-Extraordinary-by-Brian-Fothergill.pdfIn PDF document text
- http://cefasfese.4pu.com/5730730737733736/The-Solitary-Envoy-Heirs-of-Acadia-1-by-T-Davis-Bunn.pdfIn PDF document text
- http://cefasfese.4pu.com/9734739737731/The-Envoy-The-Epic-Rescue-of-the-Last-Jews-of-Europe-in-the-Desperate-Closing-Months-of-World-War-II-by-Alex-Kershaw.pdfIn PDF document text
- http://cefasfese.4pu.com/4730732734733733/The-Envoy-The-Epic-Rescue-of-the-Last-Jews-of-Europe-in-the-Desperate-Closing-Months-of-World-War-II-by-Alex-Kershaw.pdfIn PDF document text
- http://cefasfese.4pu.com/2738735731735735/Mirror-Mirror-by-Les-Edgerton.pdfIn PDF document text
- http://cefasfese.4pu.com/9739738738737731/Cornelius-Van-Til-by-John-M-Frame.pdfIn PDF document text
- http://cefasfese.4pu.com/1731733731734739739/Within-This-Frame-by-Lindy-Zart.pdfIn PDF document text
- http://cefasfese.4pu.com/3735736733735735/Unexpected-by-Jenny-Frame.pdfIn PDF document text
- http://cefasfese.4pu.com/4736735732735735/Retief-Envoy-to-New-Worlds-Retief-1-by-Keith-Laumer.pdfIn PDF document text

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