Malicious PDF — malware analysis report

Static analysis result for SHA-256 b026c199c9fa55ee…

MALICIOUS

PDF

43.8 KB Created: 2020-08-21 04:56:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 45956445ae0af93270851969a068d749 SHA-1: 70883a8fab2dcb37d11cb96d36fd3efa3db9cb74 SHA-256: b026c199c9fa55ee22b8a0dfdcb55887d95dcedcf17cfeb20a06ae22d5028f5c
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=network+solutions+email+on+android'. This suggests the document is designed to redirect users to malicious content. The document body, though heavily obfuscated, contains the same URL and keywords related to 'network solutions email on android', reinforcing the lure. No scripts were extracted, but the presence of a malicious redirector and a link farm indicates a phishing or malware distribution 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.ru/pify?keyword=network+solutions+email+on+android
    • http://files.partybartendersandwaiters.com/uploads/1/3/1/3/131398193/d6239bdbdb3.pdf
    • http://rivivu.ruthtenzerfeldman.net/uploads/1/3/0/9/130969723/zezago.pdf
    • https://cdn.shopify.com/s/files/1/0440/3593/2310/files/pipuzejiserap.pdf
    • https://cdn.shopify.com/s/files/1/0435/3048/5912/files/warunovo.pdf
    • https://cdn.shopify.com/s/files/1/0430/5158/1597/files/fudixorexovudosas.pdf
    • https://cdn.shopify.com/s/files/1/0431/0364/9953/files/microsoft_visual_c_2008_redistributable_x64.pdf
    • https://cdn.shopify.com/s/files/1/0431/6856/3351/files/zadaxiwivabuk.pdf
    • https://cdn.shopify.com/s/files/1/0459/9640/8991/files/xuropemedol.pdf
    • https://cdn.shopify.com/s/files/1/0431/5627/5362/files/jowipenesur.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/punafaga.pdf
    • https://cdn.shopify.com/s/files/1/0434/3319/7718/files/uttara_kanda_ramayana.pdf
    • https://cdn.shopify.com/s/files/1/0428/6640/9638/files/python_remove_newline_from_string.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_off00006de3.bin
663f0b9184fca493a2535e5ef4194df603d6136d8cdf3f482cfd51a89a1293ab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DE3 5096 bytes
font_01_sfnt_off00007f32.bin
825562e83e9dd55898ac9e34e64944e34b98ebadac8727433606d9c0036cca37		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F32 10284 bytes

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