Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d9784cfcf177c61…

MALICIOUS

PDF

44.1 KB Authoring application: OpenOffice.org
MD5: 63d4dd7ca74d700d46dbb874a02fcf22 SHA-1: 53be6d6006c32415d12e1178ff3a63ee81eb0aee SHA-256: 9d9784cfcf177c61d50db9989795274e8ea90e4f052400329583cbd7e1f18934
120 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. These URLs point to various PDF files hosted on different domains, suggesting a link farm or a distribution mechanism for further content. The ClamAV detection as Pdf.Dropper.Agent-9578678-0 further supports the malicious nature of this file. No scripts were extracted from this sample.

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.Dropper.Agent-9578678-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-9578678-0
  • 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://magneticminds.weebly.com/uploads/1/3/0/3/130323430/9425364.pdf
    • http://lilaclighthouse.com/uploads/1/3/0/5/130539091/zirezilaj-nebire-gepojetotagew.pdf
    • http://compassion-for-kids.org/uploads/1/3/0/6/130604127/05d82b6dda0c1.pdf
    • http://lasalledumoulinneuf.com/uploads/1/3/0/6/130620752/garaw.pdf
    • http://project-atlanta.com/uploads/1/3/0/5/130545627/jamuvi.pdf
    • http://imaginaryfriendskc.com/uploads/1/3/0/5/130551896/1277131.pdf
    • http://youthmetro.org/uploads/1/3/0/4/130476744/4807850.pdf
    • http://365christianseniors.com/uploads/1/3/0/2/130270902/87c9baba5c3.pdf
    • http://lozu.remont-info.com/uploads/2020/01/28/fovutazunitiw_godutof_tomatibol_rakefelarobuf.pdf
    • http://zis.iamhasan.com/uploads/2020/01/29/miwiwasisezebofeg.pdf
    • http://slavbul15.ru/uploads/2020/01/27/jibewazupanadofosub.pdf
    • https://tisejame.weebly.com/uploads/1/3/0/3/130323641/3223189.pdf
    • http://moabarealanduse.com/uploads/1/3/0/2/130287930/9243542.pdf
    • http://cardesign.su/uploads/2020/01/28/cb5a882f1406a.pdf
    • http://lilyseidel.com/uploads/1/3/0/6/130621406/062531c22f8eb.pdf
    • http://sweetoccasions.info/uploads/1/3/0/2/130272557/8e126d0a4b.pdf
    • http://bejelo.pnptogo.com/uploads/2020/01/28/viturefajigepawubi.pdf
    • http://keepyourappointment.com/uploads/1/3/0/4/130436049/pasigisu.pdf
    • http://absystemsllcscam.com/uploads/1/3/0/6/130621506/130621506.html#blumenthal+performing+arts+belk+theater+seating+chart

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000015a3.bin
9db73e6513fc31b389a4f13fcd5629bb201232d6b5b745075f563cefa955f7d6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15A3 9220 bytes
font_01_sfnt_off00006320.bin
c5c4954e23a199a2f211eb44b71ed06de7df7562630bd683052b3dc8686f224c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6320 16864 bytes

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