Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d3322c32a3c239b…

MALICIOUS

PDF

46.8 KB Created: 2020-08-29 18:11:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d57ef713da989668b50852009bd0602f SHA-1: 6fb79ea4d3cd9f4174e0e09937fc413a53fedf79 SHA-256: 2d3322c32a3c239bed009d0ad2e52028e40a49a7149388e50546d9e327d9fd72
128 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link and a mass external PDF link farm, indicating a lure to external malicious content. The presence of a 'download' button lure reinforces this. The primary malicious URL is https://ttraff.cc/wix?keyword=moemon+mega+gba+download, which likely leads to further malicious content or malware download.

Heuristics 4

  • 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.
  • 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 https://ttraff.cc/wix?keyword=moemon+mega+gba+download
    • https://static.usrfiles.com/ugd/b8c837_c31ce49a0a824c0f8d57fbc53cc4e974.pdf
    • https://static.usrfiles.com/ugd/b8c837_17394378c2454fe4af15017234932237.pdf
    • https://static.usrfiles.com/ugd/b8c837_aa6bf0803f6d4259b4f05063ca9a7296.pdf
    • https://static.usrfiles.com/ugd/b8c837_2fc892b3cb714e0c94ce61acef817458.pdf
    • https://static.usrfiles.com/ugd/b8c837_02d3e4587d254423a7fbd95ea432ab12.pdf
    • https://cdn.shopify.com/s/files/1/0451/8959/5287/files/nodiwalelasuxefutewopofem.pdf
    • https://cdn.shopify.com/s/files/1/0429/0940/1251/files/wunetufasetaxekaw.pdf
    • https://cdn.shopify.com/s/files/1/0455/3962/3077/files/dokemaxemagilasi.pdf
    • https://cdn.shopify.com/s/files/1/0438/9847/0555/files/shivyog_healing_mantra.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/6565103434.pdf
    • https://cdn.shopify.com/s/files/1/0435/6079/6318/files/xemufulogujogulukod.pdf
    • https://cdn.shopify.com/s/files/1/0437/8440/5153/files/stihl_fs_46_parts_diagram.pdf
    • https://cdn.shopify.com/s/files/1/0431/0853/2380/files/18844051315.pdf
    • https://cdn.shopify.com/s/files/1/0435/3739/9960/files/26111668896.pdf
    • https://cdn.shopify.com/s/files/1/0429/2021/4694/files/atm_complaint_form_sbi.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007a42.bin
d77e221f24870aa7b7aed28ec7c2b67f21cff4651a4613a005af65b230f711da		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A42 5108 bytes
font_01_sfnt_off00008bac.bin
3bf2f39bf65f04405f258caa4c1b65aa7b853a4940620412c91cdaa62d94aa3f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8BAC 10172 bytes

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