Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae6c9b1f7c999c23…

MALICIOUS

PDF

49.7 KB Created: 2020-08-30 00:45:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8b4158fe177c81462ed4678f8df0cc2c SHA-1: 9775d407df7d85e09be723d8619ebe807a0fc459 SHA-256: ae6c9b1f7c999c236430cdf05f4b639c0c1afe6fa6944e109476d544685b1ce9
120 Risk Score

Malware Insights

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

The PDF contains a link farm and a critical heuristic firing for a malicious redirector. The embedded URL points to 'ttraff.com', which is known malicious infrastructure. The document body, though heavily obfuscated, contains the same URL, suggesting a lure to a malicious site. No scripts were extracted from this sample.

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.com/wix?keyword=legacy+of+the+beast+talisman+guide
    • https://cdn.shopify.com/s/files/1/0432/6588/4313/files/whatsapp_in_my_samsung_z2.pdf
    • https://cdn.shopify.com/s/files/1/0430/6105/1546/files/eager_beaver_chainsaw.pdf
    • https://cdn.shopify.com/s/files/1/0427/5719/3895/files/95409386387.pdf
    • https://static.usrfiles.com/ugd/b8c837_71baf34b07de4a609da323efc26e6da5.pdf
    • https://cdn.shopify.com/s/files/1/0429/8814/2743/files/lebolaweso.pdf
    • https://cdn.shopify.com/s/files/1/0449/8640/0936/files/82813031914.pdf
    • https://cdn.shopify.com/s/files/1/0434/3103/5032/files/8060847233.pdf
    • https://cdn.shopify.com/s/files/1/0437/3407/3505/files/sefuzebawuzaxele.pdf
    • https://cdn.shopify.com/s/files/1/0435/5181/7879/files/41006153260.pdf
    • https://cdn.shopify.com/s/files/1/0429/5809/4495/files/lefota.pdf
    • https://cdn.shopify.com/s/files/1/0430/3293/6605/files/10258671201.pdf
    • https://cdn.shopify.com/s/files/1/0428/9003/5366/files/wozaxetax.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_off000081d2.bin
fb57386c9705716c1b3b67734fa57b4377c058dae420108440417e98f4be109a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x81D2 5520 bytes
font_01_sfnt_off0000947e.bin
c711f4098eeafa44c7a6181dec9dc8f370f0a26c8a5367a36e8c5d3c45135240		 pdf-font-stream PDF embedded font (sfnt) at offset 0x947E 11272 bytes

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