Malicious PDF — malware analysis report

Static analysis result for SHA-256 59df93051331a97a…

MALICIOUS

PDF

43.7 KB Created: 2020-08-20 03:31:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 66a49ad99310e65d19700443b02f0260 SHA-1: 9224f049416137af59ccac93cac987b1bff1b809 SHA-256: 59df93051331a97a2415ea83cdf99d04e3767aa673cbb604f0cb152db1702d5a
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One of the primary links, 'https://ttraff.cc/pify?keyword=agency+fb+bold+font', is identified as a malicious redirector. This suggests the document is designed to lead users through a series of links, potentially to a malicious site or to distribute further malware. The presence of a link farm and a malicious redirector indicates a social engineering or phishing attempt.

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=agency+fb+bold+font
    • http://files.miladmemarzadeh.com/uploads/1/3/1/6/131636855/mozazudagoke.pdf
    • http://files.madeincommon.com/uploads/1/3/1/4/131453065/puziwobem.pdf
    • https://cdn.shopify.com/s/files/1/0433/2313/0009/files/1321832290.pdf
    • https://cdn.shopify.com/s/files/1/0431/9094/3902/files/menagonumalipavopepob.pdf
    • https://cdn.shopify.com/s/files/1/0430/5590/6973/files/nefefevalasewenitowiza.pdf
    • https://cdn.shopify.com/s/files/1/0430/6042/8962/files/47021300743.pdf
    • https://cdn.shopify.com/s/files/1/0431/5149/1236/files/22513838238.pdf
    • https://cdn.shopify.com/s/files/1/0434/0852/3416/files/livro_de_marcos_hernandes_dias_lopes.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/49816413057.pdf
    • https://cdn.shopify.com/s/files/1/0431/7321/6412/files/ziziperufukogapefuneb.pdf
    • https://cdn.shopify.com/s/files/1/0452/6243/8560/files/xodofotiki.pdf
    • https://cdn.shopify.com/s/files/1/0438/0898/1152/files/map_of_the_world_download.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/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000051f3.bin
f54ccae678445541dd05a4e80e05bae058e6528559cc1ac743ab811aba6a5ef4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x51F3 4936 bytes
font_01_sfnt_off000062d0.bin
d8e4b7f44dfb66ea49c7f1cefd345a391fade3fb548cc17de4cdbf151663dabd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62D0 6068 bytes
font_02_sfnt_off00007281.bin
83e2da82a605091291a636ec54a2b95343bcff0697aac43cbef6f7dceb35e325		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7281 14740 bytes

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