Malicious PDF — malware analysis report

Static analysis result for SHA-256 8eaa7067f4893ce9…

MALICIOUS

PDF

40.3 KB Created: 2020-07-29 22:53:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 717ea7604f1cdc577c0300685bccf8e0 SHA-1: ef4378e14580c7e0a66c34befee8c0e46c77dcbe SHA-256: 8eaa7067f4893ce9803776166cca0c39143868edd82397a208e4ca228f61d812
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, many of which point to redirector services or potentially malicious content farms. The document body, though heavily obfuscated, suggests a lure related to 'Canzoniere italiano accordi pdf'. The heuristic firings confirm the presence of malicious redirector links and a link farm, indicating a phishing or malicious content distribution attempt. No scripts were extracted, limiting the analysis of direct payload execution.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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 https://ttraff.cc/pify?keyword=canzoniere+italiano+accordi+pdf
    • http://files.westerorchestra.com/uploads/1/3/1/4/131453615/kogaxolapi.pdf
    • http://files.azeetanielsen.co.uk/uploads/1/3/1/4/131452982/a81173bee24.pdf
    • http://files.beachbungalow19.com/uploads/1/3/0/8/130873715/51a751e98a6ff3.pdf
    • https://cdn.shopify.com/s/files/1/0437/4737/7301/files/rabotuzotamamot.pdf
    • https://cdn.shopify.com/s/files/1/0432/0201/9487/files/89031871014.pdf
    • https://cdn.shopify.com/s/files/1/0435/1698/5508/files/26467983932.pdf
    • https://cdn.shopify.com/s/files/1/0429/0890/9734/files/kosepuduzimojirajije.pdf
    • https://cdn.shopify.com/s/files/1/0427/7927/9527/files/tafakirafe.pdf
    • https://cdn.shopify.com/s/files/1/0427/7541/2902/files/tunomemoni.pdf
    • https://cdn.shopify.com/s/files/1/0432/3901/4562/files/jutapomovulutitudutif.pdf
    • https://cdn.shopify.com/s/files/1/0433/9027/1642/files/poxuj.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/19189676900.pdf
    • https://cdn.shopify.com/s/files/1/0429/8221/1735/files/pasefibebabetoga.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78046530146.pdf
    • https://cdn.shopify.com/s/files/1/0432/3206/7739/files/guwixumoroke.pdf
    • https://cdn.shopify.com/s/files/1/0435/9703/7730/files/56137160706.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • https://cdn.shopify.com/s/files/1/0427/7927/9527/file

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000060b7.bin
6533a167aee85dbc9c5e7a044a37058e50a1a86a949979d94e2bdad64689c557		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60B7 4832 bytes
font_01_sfnt_off0000713b.bin
76d60831062a75467804dcddd6b3397286e67e2dc7e5f7d872f11739f8c10332		 pdf-font-stream PDF embedded font (sfnt) at offset 0x713B 10124 bytes

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