Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb5d4de5822c09a6…

MALICIOUS

PDF

47.0 KB Created: 2020-09-06 12:13:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: dcf05b21e59f755d07a2df3c27232bfc SHA-1: 2317dca74996352e0982ea1460a068e7c8b0d4db SHA-256: fb5d4de5822c09a65beb7d1084bc80988553e9c8ce88d0ffd7f23201bae9988c
140 Risk Score

Malware Insights

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

The PDF contains a mass of external links, with one prominent link identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Ileostomy diet sheet uk' and the malicious URL, suggesting a lure. The presence of numerous PDF links also indicates a link farm strategy, likely for SEO poisoning or to distribute malicious content. The heuristic 'SE_CALLBACK_LURE' further supports a phishing or scam pretext.

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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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.club/pify?keyword=ileostomy+diet+sheet+uk
    • https://static.usrfiles.com/ugd/b8c837_7eaebefef42b4d12b2474f6936f870e8.pdf
    • https://static.usrfiles.com/ugd/07625c_5bff4928b6134d64a16f5c990e13456b.pdf
    • https://static.usrfiles.com/ugd/43d598_ee71ec316eca40e09044a0ca12790a50.pdf
    • https://cdn.shopify.com/s/files/1/0432/6657/2452/files/namoxepakowovoj.pdf
    • https://cdn.shopify.com/s/files/1/0430/7448/6421/files/43595327591.pdf
    • https://cdn.shopify.com/s/files/1/0428/7909/0855/files/valetepe.pdf
    • https://cdn.shopify.com/s/files/1/0433/2018/0894/files/67811787877.pdf
    • https://cdn.shopify.com/s/files/1/0439/0692/4712/files/a_p_r_o_m_full_form.pdf
    • https://cdn.shopify.com/s/files/1/0431/8094/9658/files/rewovegi.pdf
    • https://cdn.shopify.com/s/files/1/0427/7665/8087/files/miluvaf.pdf
    • https://static.usrfiles.com/ugd/d3758e_62dd3f15296a4c53b870f2084bdb6c9e.pdf
    • https://static.usrfiles.com/ugd/b371d9_1cdea3c604504e4f85a8636f64dc6894.pdf
    • https://static.usrfiles.com/ugd/afe78f_5ad1b1898f724e2ebcd265b7990506f0.pdf
    • https://static.usrfiles.com/ugd/d9d1f5_e70be86c078847cdac4db9556416026b.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_off00007b8d.bin
46acc9c700b6670097f36336075dfc5bf5040609dfb8e05ab63fc26f1b5cec54		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B8D 4860 bytes
font_01_sfnt_off00008bf4.bin
d3148537d2658da5ba55ed9f39fb8aa425dc446fb7fbc1527e1f7c7f4a9fb61c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8BF4 10232 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.