PDF malware analysis — malicious · 44f1190c15fc03f3

MALICIOUS

PDF

15.6 KB Created: 2020-01-02 06:04:27 +00:00 Authoring application: mPDF 5.7 First seen: 2021-10-12

MD5: 1cf778f876be6e4abd25356781343717 SHA-1: f063d45753f2c4ba5231bdb9993f3bbd5baccc28 SHA-256: 44f1190c15fc03f36c0915be1f7c11f7ce47b62bf3a96bc3e02ae33271c52213

92 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm. While the URLs themselves are currently classified as benign, the sheer volume and the heuristic firing of 'PDF_SEO_LINK_FARM' suggest a malicious intent, possibly for SEO manipulation or to redirect users to potentially harmful content. The ML classifier also flagged the document as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.9778

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/1736738736736736/The-Less-Than-Perfect-Legend-of-Donna-Creosote-by-Dan-Micklethwaite.pdf In PDF document text
- http://cefasfese.4pu.com/5733733730731/Never-Is-A-Very-Long-Time-A-Romantic-Comedy-With-Attitude-The-Perfect-Date-Book-1-by-Donna-McDonald.pdfIn PDF document text
- http://cefasfese.4pu.com/9731736739731/I-Have-a-Sister--My-Sister-Is-Deaf-by-Jeanne-Whitehouse-Peterson.pdfIn PDF document text
- http://cefasfese.4pu.com/4737739734730732/Sister-Light-Sister-Dark-by-Jane-Yolen.pdfIn PDF document text
- http://cefasfese.4pu.com/1731736735737732/Stuck-in-the-Middle-Sister-to-Sister-1-by-Virginia-Smith.pdfIn PDF document text
- http://cefasfese.4pu.com/1732735733732731/The-Other-Sister-Sister-Series-1-by-Leanne-Davis.pdfIn PDF document text
- http://cefasfese.4pu.com/6735733730734730/Big-Sister-Little-Sister-by-LeUyen-Pham.pdfIn PDF document text
- http://cefasfese.4pu.com/4732736732737733/Perfect-The-Inside-Story-of-Baseball-s-Sixteen-Perfect-Games-by-James-Buckley-Jr-.pdfIn PDF document text
- http://cefasfese.4pu.com/2735737739738733/The-Perfect-Union-Perfect-Love-Series-1-by-Trina-Lane.pdfIn PDF document text
- http://cefasfese.4pu.com/9731733734736733/No-Perfect-Secret-Almost-Perfect-2-by-Jackie-Weger.pdfIn PDF document text
- http://cefasfese.4pu.com/2730731732735/Far-from-Perfect-Perfect-Indiana-1-by-Barbara-Longley.pdfIn PDF document text
- http://cefasfese.4pu.com/1733735739732734/Too-Perfect-Perfect-Trilogy-3-by-Julie-Ortolon.pdfIn PDF document text
- http://cefasfese.4pu.com/6737739732739/Presently-Perfect-Perfect-3-by-Alison-G-Bailey.pdfIn PDF document text
- http://cefasfese.4pu.com/1734735736736730/The-Perfect-Distraction-Perfect-1-by-Melissa-Rolka.pdfIn PDF document text
- http://cefasfese.4pu.com/3734735739738730/Perfect-Illusion-Perfect-Series-1-by-Claudia-Tan.pdfIn PDF document text
- http://cefasfese.4pu.com/1733735739730734/Almost-Perfect-Perfect-Trilogy-1-by-Julie-Ortolon.pdfIn PDF document text
- http://cefasfese.4pu.com/3734735732731736/The-Sister-Circle-The-Sister-Circle-Series-1-by-Vonette-Bright.pdfIn PDF document text
- http://cefasfese.4pu.com/4736733733735730/Sister-Sister-by-Sue-Fortin.pdfIn PDF document text
- http://cefasfese.4pu.com/8737732730734737/Donna-Parker-in-Hollywood-Donna-Parker-5-by-Marcia-Martin.pdfIn PDF document text
- http://cefasfese.4pu.com/5733733736735/Dinner-with-a-Perfect-Stranger-Day-with-a-Perfect-Stranger-Boxed-Set-by-David-Gregory.pdfIn PDF document text

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