Malicious PDF — malware analysis report

Static analysis result for SHA-256 eadf6599534ffae2…

MALICIOUS

PDF

16.1 KB Created: 2019-05-02 06:04:12 +01:00 Authoring application: mPDF 5.7 First seen: 2021-06-20
MD5: d716776ab7c073a689eccdcc39c57abb SHA-1: 23afe3d24e5a252398b9ab50363097fb1a1690e2 SHA-256: eadf6599534ffae250caa319db9669cbbb78813205a73997b1b9c64d43b1bf7e
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, suggesting a tactic to manipulate search engine results or redirect users to potentially malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample.

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/3730732730737736/A-Lion-Among-Men-The-Wicked-Years-3-by-Gregory-Maguire.pdf In PDF document text
    • http://cefasfese.4pu.com/4734734739738/A-Lion-Among-Men-The-Wicked-Years-3-by-Gregory-Maguire.pdfIn PDF document text
    • http://cefasfese.4pu.com/4730736734739/Out-of-Oz-The-Wicked-Years-4-by-Gregory-Maguire.pdfIn PDF document text
    • http://cefasfese.4pu.com/1730737739738730734/Tales-Told-in-Oz-The-Wicked-Years-0-5-by-Gregory-Maguire.pdfIn PDF document text
    • http://cefasfese.4pu.com/7735737734735734/Hijo-de-Bruja-The-Wicked-Years-2-by-Gregory-Maguire.pdfIn PDF document text
    • http://cefasfese.4pu.com/3735737737730733/Wicked-The-Life-and-Times-of-the-Wicked-Witch-of-the-West-by-Gregory-Maguire.pdfIn PDF document text
    • http://cefasfese.4pu.com/4739733737734733/Egg-and-Spoon-by-Gregory-Maguire.pdfIn PDF document text
    • http://cefasfese.4pu.com/9731731734/Hiddensee-A-Tale-of-the-Once-and-Future-Nutcracker-by-Gregory-Maguire.pdfIn PDF document text
    • http://cefasfese.4pu.com/3733736730734730/Hiddensee-A-Tale-of-the-Once-and-Future-Nutcracker-by-Gregory-Maguire.pdfIn PDF document text
    • http://cefasfese.4pu.com/1733731738731730/Seven-Spiders-Spinning-The-Hamlet-Chronicles-1-by-Gregory-Maguire.pdfIn PDF document text
    • http://cefasfese.4pu.com/3730735738737730/What-the-Dickens-The-Story-of-a-Rogue-Tooth-Fairy-by-Gregory-Maguire.pdfIn PDF document text
    • http://cefasfese.4pu.com/2736737739730738/What-the-Dickens-The-Story-of-a-Rogue-Tooth-Fairy-by-Gregory-Maguire.pdfIn PDF document text
    • http://cefasfese.4pu.com/6734734738738738/Matchless-An-Illumination-of-Hans-Christian-Andersen-s-Classic-quot-The-Little-Match-Girl-quot-by-Gregory-Maguire.pdfIn PDF document text
    • http://cefasfese.4pu.com/2737735736731737/Autumn-Burning-Dreadtime-Stories-for-the-Wicked-Soul-by-Sam-Gregory.pdfIn PDF document text
    • http://cefasfese.4pu.com/1732736731734739/Success-Three-Years-in-the-Life-of-a-Province-by-Lion-Feuchtwanger.pdfIn PDF document text
    • http://cefasfese.4pu.com/1731731732734737737/The-Stories-Five-Years-of-Original-Fiction-on-Tor-com-by-Gregory-Benford.pdfIn PDF document text
    • http://cefasfese.4pu.com/6732731734738730/Adia-The-Lion-s-Daughter-The-Lion-of-Arria-Book-5-by-Courtney-Bowen.pdfIn PDF document text
    • http://cefasfese.4pu.com/5731732735733733/3-1-3-gatsu-no-Lion-1-March-comes-in-like-a-lion-1-by-Chica-Umino.pdfIn PDF document text
    • http://cefasfese.4pu.com/1735736737739739/The-Lion-Hunter-The-Lion-Hunters-4-by-Elizabeth-E-Wein.pdfIn PDF document text
    • http://cefasfese.4pu.com/4731735734735739/The-Lion-Prophecy-The-King-s-Lion-2-by-Alexander-Grant.pdfIn PDF document text