Malicious PDF — malware analysis report

Static analysis result for SHA-256 98694053509e185b…

MALICIOUS

PDF

51.0 KB Authoring application: LibreOffice
MD5: 64b15a061b2fa1907e313944201c3b13 SHA-1: ac057febc5bfa0219f92e2abcff6c20ab4c08f1c SHA-256: 98694053509e185b37378240ebba611139ff3789dede35ccb7010f5d7140f3e7
120 Risk Score

Malware Insights

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

The PDF file exhibits a critical heuristic firing for a 'PDF_SEO_LINK_FARM', indicating a mass of external links. These links, predominantly pointing to other PDF files on various domains, suggest a phishing or malware distribution campaign. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the malicious intent. 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.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://motomomfuel.com/uploads/1/3/0/6/130640095/7aab687398.pdf
    • http://overheaddoorny.net/uploads/1/3/0/2/130289550/kimezufumab_lugafigigi.pdf
    • http://dramallamaranch.com/uploads/1/3/0/7/130775505/letinabisiser.pdf
    • http://reneeyuengling.com/uploads/1/3/0/5/130542865/a9293c69f84580d.pdf
    • http://connectingstrategies.nl/uploads/1/3/0/6/130603985/8795060.pdf
    • http://mail.thollfence.com/uploads/1/3/0/2/130271009/bogakogedekudarexo.pdf
    • http://bilicichconsulting.com/uploads/1/3/0/5/130551671/libufalepawefeseb.pdf
    • http://petalsproduce.org/uploads/1/3/0/6/130620936/b8e5e7f1a6e2e1.pdf
    • http://sassysquatch.com/uploads/1/3/0/6/130605212/xawakelixofavis.pdf
    • http://boredtodebts.com/uploads/1/3/0/3/130312926/fac3f12.pdf
    • http://mysticthisweek.com/uploads/1/3/0/7/130738848/gagigixijekatig.pdf
    • http://newhomeblinds.com/uploads/1/3/0/7/130739048/8887e42e0944.pdf
    • http://indigoplug.com/uploads/1/3/0/3/130379291/vivazo.pdf
    • http://blackwellbusinessmanagement.com/uploads/1/3/0/6/130621721/4277595.pdf
    • http://ajoyfulword.com/uploads/1/3/0/2/130288551/gexuvozufuko.pdf
    • http://www.mygreatgut.com/uploads/1/3/0/5/130590777/130590777.html#colony+morphology+of+pseudomonas+aeruginosa+on+cetrimide+agar

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000049c5.bin
ddc6c38a5929b263b215a5b0c7aa8b1a409f146866f06980111f9f21a6232bf4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x49C5 16036 bytes
font_01_sfnt_off00005ddc.bin
6dc6e07f93ae70488a19e8a398a1c6cda2f5723fc3d3cbe180c5afbb10c3611e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5DDC 2864 bytes
font_02_sfnt_off00006adf.bin
03f2c14bc8e47af94d72e5fd687d3f71109c48bfbe3ad2b6fcf5fb34eefd4683		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6ADF 9388 bytes

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