Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ec200b7306db941…

MALICIOUS

PDF

129.8 KB Authoring application: LibreOffice
MD5: feb2c3ad5fd9ae66776bfb5caa5b0090 SHA-1: 25a24fb743f606ae25fe851fcd0dcdec778c38df SHA-256: 9ec200b7306db94119303664d582c91ed5ff15bfe9e7246e7b3fa07a90319a38
120 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 by the PDF_SEO_LINK_FARM heuristic. These URLs likely lead to malicious sites, as indicated by the ClamAV detection of Pdf.Phishing.TtraffRobotInstall. The document body contains seemingly unrelated text about a Kawasaki manual, which is likely a lure to disguise the malicious intent of the embedded 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://xuxewop.telekom-internet.info/uploads/2020/01/29/vowolerovulubuxu.pdf
    • http://eudaimoniatravelblog.com/uploads/1/3/0/7/130776790/mupotejija_fisizab_vuwofavi.pdf
    • http://annalyzethat.com/uploads/1/3/0/4/130435657/betorakowami.pdf
    • http://caredynamicsfl.com/uploads/1/3/0/6/130639269/5ad5d24f4998e.pdf
    • http://1ststeptolife.com/uploads/1/3/0/5/130589156/dadepe.pdf
    • http://ilariamaltoni.com/uploads/1/3/0/5/130551247/300270.pdf
    • http://iweargreatness.com/uploads/1/3/0/3/130313671/130313671.html#2005+kawasaki+brute+force+750+owners+manual

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000117a.bin
beb359f9779f54f66c4b141fdc969fa777d85784ba09b6070791823e2d156721		 pdf-font-stream PDF embedded font (sfnt) at offset 0x117A 7824 bytes

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