Malicious PDF — malware analysis report

Static analysis result for SHA-256 d73c6e0f3de594b6…

MALICIOUS

PDF

35.3 KB Authoring application: LibreOffice Draw
MD5: 42846f5e22c8ac1542e992569e2bb3f9 SHA-1: 807d23a29f9c28f3a79467f8f9da06f2d3c33bc1 SHA-256: d73c6e0f3de594b621a5ec9bebd54aebf791394861c2030a0c68bcf0ec8854d2
120 Risk Score

Malware Insights

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

The PDF file was detected by ClamAV as Pdf.Phishing.TtraffRobotInstall-7605656-0. Static analysis revealed a large number of embedded external links, a common technique for SEO manipulation or phishing campaigns. The document body contains garbled text, suggesting it is not intended for direct user interaction but rather to host these links.

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://robinsnestfunraiser.org/uploads/1/3/0/2/130288682/goroduwisuzez-dorekabajopade-delawifimu-dijizazu.pdf
    • http://emilyhalbig.com/uploads/1/3/0/6/130640052/mutipiwolegunex_xasivexixaka_vifal_delewogam.pdf
    • https://dusubigujejum.weebly.com/uploads/1/3/0/3/130312951/zoxoxugozuxevofanop.pdf
    • http://jezevajeve.op2r.icu/uploads/2020/01/28/5575273.pdf
    • https://javumopo.weebly.com/uploads/1/3/0/2/130288448/db90c01be.pdf
    • http://nilumomub.fuse0000.online/uploads/2020/01/29/femisikuruvewo.pdf
    • https://joxabazebuzika.weebly.com/uploads/1/3/0/5/130545365/02cdd2ed1b09ad.pdf
    • http://cuppagusto.com/uploads/1/3/0/3/130379424/7967813.pdf
    • https://gesuxadi.weebly.com/uploads/1/3/0/5/130590507/mitudikegovufoj-nefaxu-betutu-mepukekaji.pdf
    • https://nixebiruzifofo.weebly.com/uploads/1/3/0/6/130604516/pobodasinopulim.pdf
    • http://maxoteb.ceodentvicalvaro.com/uploads/2020/01/28/e0e635c.pdf
    • http://arcadiagardensllclandscapinganddesign.com/uploads/1/3/0/3/130313192/130313192.html#chinna+mani+kuyile+audio+song

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001302.bin
7bf3e8a2e8188fdfe08efe588b1ed31a8373d79dc69a9fa5e3552800412fb058		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1302 7380 bytes
font_01_sfnt_off0000428a.bin
6db2f878e0fd57d3a351d0d81a5ccd7b58f68df6728dadc3aee3ebeb1a1d6e60		 pdf-font-stream PDF embedded font (sfnt) at offset 0x428A 16068 bytes

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