Malicious PDF — malware analysis report

Static analysis result for SHA-256 eac6b16f2c9b567d…

MALICIOUS

PDF

41.2 KB Authoring application: Solid Converter PDF
MD5: 7ab503fc8a0047814bfd7ea5af120102 SHA-1: 8189744b28956662ef73122d28b01ed870645569 SHA-256: eac6b16f2c9b567ddf1fcc2a3d31edd36c8681b354f8f186d045567052d817e0
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 pointing to the same dominant host, indicating a link farm for SEO manipulation or phishing. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the presence of embedded URLs further support a malicious intent. The document body, though heavily obfuscated, contains phrases related to tracking calls and includes the primary malicious URL, suggesting a lure to download further content.

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://rekaxapa.like-ball.com/uploads/2020/01/28/bb9fd79b46508c5.pdf
    • https://xuvalisunoz.weebly.com/uploads/1/3/0/2/130270879/6989865.pdf
    • http://sose.thebestessay.info/uploads/2020/01/28/delesizebamafekubo.pdf
    • http://ratuk.pay-pass.xyz/uploads/2020/01/28/1321833b.pdf
    • http://qualityteatime.org/uploads/1/3/0/6/130620755/kesizek.pdf
    • http://radevawedu.technolojix.com/uploads/2020/01/27/86338b9061.pdf
    • http://xylitogum.net/uploads/1/3/0/5/130590278/7460299.pdf
    • http://animalesdeberjayalmerimar.com/uploads/1/3/0/5/130588727/6356120.pdf
    • http://somersetfoodtrail.org/uploads/1/3/0/6/130621669/130621669.html#caller+location+tracker+application

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011bd.bin
ab8ab81bb6104e86c2ea4e2cd62df3d160611010b6776cbd654ece20b2057880		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11BD 8868 bytes
font_01_sfnt_off0000576b.bin
5ca4a3f949943b8e4d1c4f7173462dcf4f7cc5fa2987444a3748968796d2e56c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x576B 17016 bytes

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