Malicious PDF — malware analysis report

Static analysis result for SHA-256 efbe2b8195cee1bd…

MALICIOUS

PDF

45.9 KB Created: 2020-08-24 09:09:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 01e716e85e56c990fa04a7f99c211dc3 SHA-1: e41766c0a20e70201085d2665039d2eaec41a9ef SHA-256: efbe2b8195cee1bd6f47f89a4634d79d6fa684ff9340eb8a74288c555ccd4f19
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a lure for an 'infraction notice' and includes numerous embedded links, many pointing to Shopify domains, but one critical link redirects to `ttraff.ru`, which is flagged as a malicious redirector. This suggests a phishing or social engineering attack aiming to direct users to malicious infrastructure. The presence of a link farm and a specific malicious redirector indicates a coordinated effort to distribute malicious content.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=infraction+notice+template
    • http://foloborol.atallamdshop.com/uploads/1/3/0/7/130739935/ab621312ba9d8.pdf
    • https://cdn.shopify.com/s/files/1/0429/2037/8524/files/dodiravivusabof.pdf
    • https://cdn.shopify.com/s/files/1/0439/2232/5672/files/data_structures_and_algorithms_by_balaguruswamy.pdf
    • https://cdn.shopify.com/s/files/1/0438/0783/4272/files/docker_delete_image.pdf
    • https://cdn.shopify.com/s/files/1/0434/1320/9246/files/dependability_definition.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1204107997.pdf
    • https://cdn.shopify.com/s/files/1/0440/6021/3398/files/jebabonuro.pdf
    • https://cdn.shopify.com/s/files/1/0457/0261/1100/files/84281380173.pdf
    • https://cdn.shopify.com/s/files/1/0428/7011/2423/files/especies_y_variedades_de_cafe.pdf
    • https://cdn.shopify.com/s/files/1/0430/7278/2489/files/tuzifitulowo.pdf
    • https://cdn.shopify.com/s/files/1/0431/0158/5569/files/linear_algebra_4th_edition_friedberg.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_off00006a25.bin
ae5deee6f3b6a2833382222ba39a3156710d659087cb6a745870ce2bfdc847ff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A25 4708 bytes
font_01_sfnt_off000079f4.bin
a37d4a03f8eedd1a353cf2598b758d26a6fddbae03de3e5aacbb2b1fe561d04e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79F4 10140 bytes
font_02_sfnt_off00009c93.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9C93 4324 bytes

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