Malicious PDF — malware analysis report

Static analysis result for SHA-256 71b661bec9c8ebb1…

MALICIOUS

PDF

23.3 KB Created: 2020-02-06 00:45:00 +00:00 Authoring application: mPDF 5.7
MD5: 5c2d0fa5091f537a6e646a562d2996c8 SHA-1: 25002c0ceaf314f99ab3574b1f2a53bbc109759d SHA-256: 71b661bec9c8ebb16bf2002eb32dfa8368226116b12cd6a3ff4515929142e76d
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the embedded links are the primary indicators of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9901

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://lwoscmobook.myhome.cx/952415247524052455247/Between-Sea-and-Sahara-An-Orientalist-Adventure-by-Eug-ne-Fromentin.pdf
    • http://lwoscmobook.myhome.cx/552455248524252455241/Exotic-Taste-Orientalist-Interiors-by-Emmanuelle-Gaillard.pdf
    • http://lwoscmobook.myhome.cx/152415242524852435244/The-Orientalist-Solving-the-Mystery-of-a-Strange-and-Dangerous-Life-by-Tom-Reiss.pdf
    • http://lwoscmobook.myhome.cx/452485249524652465247/Intimate-Outsiders-The-Harem-in-Ottoman-and-Orientalist-Art-and-Travel-Literature-by-Mary-Roberts.pdf
    • http://lwoscmobook.myhome.cx/1524052465249524752445242/Tamora-Pierce---Alanna-The-First-Adventure-Characters-in-Alanna-The-First-Adventure-Places-in-Alanna-The-First-Adventure-Convent-Court-of-the-Rogue-Great-Mother-Goddess-Sponsor-Sweating-Sickness-Training-Master-Trebond-Ysandir-Alanna-of-P-by-Source-Wikipedia.pdf
    • http://lwoscmobook.myhome.cx/65247524552415246/-quot-Evil-quot-Arabs-in-American-Popular-Film-Orientalist-Fear-by-Tim-Jon-Semmerling.pdf
    • http://lwoscmobook.myhome.cx/252495243524552475240/Let-The-Adventure-Begin-The-Awesome-Adventure-of-Xiapo-Yellip-Zump-1-by-Jacob-Spire.pdf
    • http://lwoscmobook.myhome.cx/252495246524852435243/The-Island-of-Adventure-And-The-Castle-of-Adventure-Two-Great-Adventures-by-Enid-Blyton.pdf
    • http://lwoscmobook.myhome.cx/452495248524952425242/The-Great-Easter-Bunny-Adventure-Choose-Your-Own-Adventure-Young-Readers-40-by-Edward-Packard.pdf
    • http://lwoscmobook.myhome.cx/752445241524452485241/Mordenkainen-s-Fantastic-Adventure-World-Of-Greyhawk-Fantasy-Word-Adventure-by-Robert-J-Kuntz.pdf
    • http://lwoscmobook.myhome.cx/1524052435248524852425249/Statue-of-Liberty-Adventure-Choose-Your-Own-Adventure-58-by-Ellen-Kushner.pdf
    • http://lwoscmobook.myhome.cx/452445244524752475249/The-Adventure-of-the-Six-Napoleons-The-Adventure-of-the-Crooked-Man-by-Arthur-Conan-Doyle.pdf
    • http://lwoscmobook.myhome.cx/252445249524452425243/Wingin-It-by-Sahara-Kelly.pdf
    • http://lwoscmobook.myhome.cx/1524152485244524452435249/SAHARA-by-Kyosuke-Kisaragi.pdf
    • http://lwoscmobook.myhome.cx/252415241524352405245/Sahara-by-Michael-Palin.pdf
    • http://lwoscmobook.myhome.cx/75244524352445247/The-Mountain-of-Adventure-Adventure-5-by-Enid-Blyton.pdf
    • http://lwoscmobook.myhome.cx/352465247524752405247/My-Wish-Guardians-of-Time-1-by-Sahara-Kelly.pdf
    • http://lwoscmobook.myhome.cx/252405247524852425246/Wicked-Wings-by-Sahara-Kelly.pdf
    • http://lwoscmobook.myhome.cx/1524052455241524752455243/The-Count-of-the-Sahara-by-Wayne-Turmel.pdf
    • http://lwoscmobook.myhome.cx/452465248524252485244/Chip-Off-the-Old-Block-by-Sahara-Foley.pdf

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