Malicious PDF — malware analysis report

Static analysis result for SHA-256 a0e9a2360266b38b…

MALICIOUS

PDF

36.5 KB Authoring application: OpenOffice.org
MD5: bbd38525ada016d9f8a469c22e7bc04b SHA-1: 52bce6b3163dc646ee5a35f232717949178d5d77 SHA-256: a0e9a2360266b38b07d0eed2802c3348b9d6671916e00856a99a55b60878df38
128 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which point to other PDFs, indicating a link farm designed for SEO manipulation or to host malicious content. ClamAV detected this as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', suggesting a phishing or traffic redirection scheme. The presence of multiple unknown URLs reinforces the malicious nature of the document.

Heuristics 4

  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://oasiscancersupportsystem.com/uploads/1/3/0/6/130604498/e83ae4.pdf
    • http://awpcmarianna.com/uploads/1/3/0/4/130491319/wamezulozakariwot.pdf
    • https://luvujibo.weebly.com/uploads/1/3/0/6/130604133/kavaru-motezej-xidenomi.pdf
    • http://noj.uranalitika.ru/uploads/2020/01/28/7b338594f32.pdf
    • http://coolmanraulh.com/uploads/1/3/0/8/130874409/130874409.html#acer+aspire+one+series+kav60+drivers+wifi

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001271.bin
a1b749ce53ccf693fa6d3550e75539b6c979baa3142fde46d597b0d1d5e97454		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1271 8980 bytes

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