Malicious PDF — malware analysis report

Static analysis result for SHA-256 0187268334e4e04a…

MALICIOUS

PDF

55.2 KB Authoring application: Scribus
MD5: e58d8b73b830f353bf85fed67b410db5 SHA-1: 69bd8de70880f5206986a2e4825ead48ca326cbc SHA-256: 0187268334e4e04aa525a53156703d330c2e0f7a2b6607c96336cabcc9f9f123
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded URLs, identified as a link farm. This suggests the primary purpose is to redirect users to external, potentially malicious, content. The ClamAV detection and ML classifier further support its malicious nature, classifying it as phishing-related malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 3

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://feedtheknead.com/uploads/1/3/0/7/130739142/641590efb41c06.pdf
    • http://coachparent.com/uploads/1/3/0/5/130588784/e4ea541d2eb2.pdf
    • http://kristinacsanaky.com/uploads/1/3/0/6/130605073/zubajofewuduxat.pdf
    • http://kicknsweet.com/uploads/1/3/0/4/130483351/botiv.pdf
    • http://www.cjwalkerbooks.com/uploads/1/3/0/7/130738697/8704556.pdf
    • http://gemmaleebrowndesign.com/uploads/1/3/0/5/130545485/papekuminijuxiz.pdf
    • http://iamcnola.org/uploads/1/3/0/8/130814088/8657538553e.pdf
    • http://bhagathalwai.com/uploads/1/3/0/4/130489159/810de48c38d.pdf
    • http://schiaster.com/uploads/1/3/0/2/130287886/bitulakaz.pdf
    • http://www.randdsockco.com/uploads/1/3/0/6/130620532/punumixifawut.pdf
    • http://next2younext2me.net/uploads/1/3/0/6/130639282/aa0b2.pdf
    • http://www.jfwgroup.us/uploads/1/3/0/5/130547024/77416.pdf
    • http://alisonyinblog.com/uploads/1/3/0/3/130313196/gonizokuwugire_dolazotoxa_virodegozamewud_wexexe.pdf
    • http://readyplayerone.store/uploads/1/3/0/5/130590578/4e3fbc1.pdf
    • http://azzurrawebart.com/uploads/1/3/0/8/130813852/xuxis-dotafuw-jurufaserevub.pdf
    • http://mwvhc-nh.org/uploads/1/3/0/4/130483820/9129307.pdf
    • http://www.thomandkelswedding.com/uploads/1/3/0/2/130272918/zuwidevodapenoteja.pdf
    • http://sq6tb.slpny.com/uploads/1/3/0/6/130620416/130620416.html#estomatitis+aftosa+recurrente
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicense
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000052b3.bin
72500420020aafea1f66affd34fd96dc9ed94bceb37110b1ab4e02511ac3cee7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x52B3 3928 bytes
font_01_sfnt_off00005f71.bin
0c9f13c85b543811a832c6fea7dba50ba4ca0546131adafbcaf25d09d654b12d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F71 16196 bytes
font_02_sfnt_off000077fe.bin
be862dce8bf034e04d1e351e8d14135f79adbd6d7affc44524002b343483d640		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77FE 9784 bytes

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