Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2e2209a32673756…

MALICIOUS

PDF

52.8 KB Authoring application: Karbon
MD5: 8033a7dec7bc910f61b004287580d9df SHA-1: 2677c2f6f97ed75090a422db6886c9407637a113 SHA-256: d2e2209a32673756b22bf21a3db2c8347d12ec0d6abf5a2396466e5164c8c244
120 Risk Score

Malware Insights

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

The PDF contains a large number of external links to other PDF files hosted on various domains, indicating a link farm designed to distribute malicious content or phish users. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing and traffic redirection nature of this file. 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://nightingaleicecreamsandwiches.com/uploads/1/3/0/7/130739212/wobozewalemepovu.pdf
    • http://tng2010.com/uploads/1/3/0/5/130590550/vulevubemuzuko.pdf
    • http://rov.mskreslo.ru/uploads/2020/01/28/dubebijage_rajiger_riviforomexov_dobejosoji.pdf
    • http://mycreativeservices.space/uploads/1/3/0/2/130271217/e1124668c5ffed.pdf
    • http://naturalhealinghealthcare.com/uploads/1/3/0/4/130489149/mizeb.pdf
    • http://blogdeviajes.net/uploads/1/3/0/7/130776215/banijididazinesiwo.pdf
    • http://bodyworkbybarb.com/uploads/1/3/0/6/130621022/130621022.html#alcoholic+cirrhosis+guidelines

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000115d.bin
6c3064508c00fafbdae22737130c27f8ecfef536016c6fd0ef2108fb6397d750		 pdf-font-stream PDF embedded font (sfnt) at offset 0x115D 8892 bytes
font_01_sfnt_off000074b7.bin
dc26b8937c310af93f3c11127be12c5f9e3a2cfc1a64da48f7d7a19171c6137a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x74B7 9704 bytes
font_02_sfnt_off000088da.bin
b3affdfdfee497c2d3230853582529cf395d265bfdbb8cde7d84ae9c33602211		 pdf-font-stream PDF embedded font (sfnt) at offset 0x88DA 16036 bytes

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