MALICIOUS
90
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
The PDF file contains a large number of embedded links pointing to external PDF documents. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass external link farm, with a dominant host of 'cefasfese.4pu.com'. The ML classifier also flagged this PDF as malicious. The document body is heavily obfuscated, but the embedded URLs are clearly visible and are the primary indicators of malicious intent, likely serving as a lure to download further malicious content or engage in SEO-based spam.
Machine Learning
- Nyx PDF Classifier malicious score 0.9810
Heuristics 2
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Embedded URL info EMBEDDED_URLOne 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/2739736732731736/Whack-A-Mole-John-Ceepak-Mystery-3-by-Chris-Grabenstein.pdf
- http://cefasfese.4pu.com/2738737734735735/Mad-Mouse-John-Ceepak-Mystery-2-by-Chris-Grabenstein.pdf
- http://cefasfese.4pu.com/2736738735731/Tilt-a-Whirl-John-Ceepak-Mystery-1-by-Chris-Grabenstein.pdf
- http://cefasfese.4pu.com/1731734739732738/Hell-Hole-John-Ceepak-Mystery-4-by-Chris-Grabenstein.pdf
- http://cefasfese.4pu.com/4735738739738735/Riley-Mack-and-the-Other-Known-Troublemakers-by-Chris-Grabenstein.pdf
- http://cefasfese.4pu.com/1730739737738733734/Escape-from-Mr-Lemoncello-s-Library-by-Chris-Grabenstein.pdf
- http://cefasfese.4pu.com/2734735736/Mr-Lemoncello-s-Library-Olympics-Mr-Lemoncello-s-Library-2-by-Chris-Grabenstein.pdf
- http://cefasfese.4pu.com/1733730737738/Escape-from-Mr-Lemoncello-s-Library-Mr-Lemoncello-s-Library-1-by-Chris-Grabenstein.pdf
- http://cefasfese.4pu.com/9732732730732730/It-s-All-Greek-to-Me-A-Tale-of-a-Mad-Dog-and-an-Englishman-Ruins-Retsina--and-Real-Greeks-by-John-Mole.pdf
- http://cefasfese.4pu.com/2737735730730734/The-Lost-Diaries-of-Adrian-Mole-1999-2001-Adrian-Mole-7-by-Sue-Townsend.pdf
- http://cefasfese.4pu.com/2734734731739734/Night-Noises-And-Other-Mole-And-Troll-Stories-Mole-and-Troll-3-by-Tony-Johnston.pdf
- http://cefasfese.4pu.com/4738737737735730/Out-of-Whack-by-Susan-X-Meagher.pdf
- http://cefasfese.4pu.com/4730731730730/Adrian-Mole-and-the-Weapons-of-Mass-Destruction-Adrian-Mole-6-by-Sue-Townsend.pdf
- http://cefasfese.4pu.com/3735734738736/The-Secret-Diary-of-Adrian-Mole-Aged-13-3-4-Adrian-Mole-1-by-Sue-Townsend.pdf
- http://cefasfese.4pu.com/4738736735733/Adrian-Mole-The-Cappuccino-Years-Adrian-Mole-5-by-Sue-Townsend.pdf
- http://cefasfese.4pu.com/2739737734731732/Adrian-Mole-From-Minor-to-Major-Adrian-Mole-1-3-by-Sue-Townsend.pdf
- http://cefasfese.4pu.com/2737734738730732/Adrian-Mole-The-Cappuccino-Years-Adrian-Mole-5-by-Sue-Townsend.pdf
- http://cefasfese.4pu.com/1738736734737734/The-Adrian-Mole-Diaries-Adrian-Mole-1-2-by-Sue-Townsend.pdf
- http://cefasfese.4pu.com/6737738738732731/Eliminating-the-Middleman-Maria-Hart-Mystery-2-by-Chris-Forman.pdf
- http://cefasfese.4pu.com/6734734731736738/JOHN-BONHAM-Batteur-du-tonnerre-by-Chris-Welch.pdf
- http://cefasfese.4pu.com/9732732730732730/It-s-All-Greek-to-Me-A-Tale-of-a-Mad-Dog-and-an-Englishman-Ruins-Retsina--and-Real-G
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