Malicious PDF — malware analysis report

Static analysis result for SHA-256 964e0b31464df894…

MALICIOUS

PDF

52.9 KB Created: 2020-08-09 05:36:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7b83fe9e6bd222ef99f602e2e615193c SHA-1: fede62a8abca96a2241ae04da21acf7e44d0667e SHA-256: 964e0b31464df894dee51028aba06f700dee278f6d8d18c20d5fea5c0b8d8e87
128 Risk Score

Malware Insights

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

The PDF file contains a link farm and a malicious redirector URL, indicating an attempt to lead the user to harmful content. The document body, though heavily obfuscated, contains the malicious URL and a title that appears to be a lure. The presence of numerous links, many pointing to Shopify domains, suggests a tactic to obscure the malicious redirector and potentially leverage benign-looking domains for hosting. No scripts were extracted from this sample.

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=administration+of+criminal+justice+law+lagos+2020+pdf
    • http://files.sansurising.com/uploads/1/3/2/8/132814219/pajadumi.pdf
    • http://felaxe.starrygardenschool.com/uploads/1/3/2/8/132814930/pavoraduxo.pdf
    • http://files.frankstownwoodfiredpizza.com/uploads/1/3/0/7/130739786/233bcb2ebdff87c.pdf
    • https://cdn.shopify.com/s/files/1/0432/6490/1270/files/physics_james_walker_4th_edition_free.pdf
    • https://cdn.shopify.com/s/files/1/0434/6196/8025/files/java_string_read_in_public_key_example.pdf
    • https://cdn.shopify.com/s/files/1/0433/0071/6694/files/mavawuvusekavam.pdf
    • https://cdn.shopify.com/s/files/1/0435/2393/2311/files/48124416027.pdf
    • https://cdn.shopify.com/s/files/1/0428/1538/9855/files/32430456005.pdf
    • https://cdn.shopify.com/s/files/1/0431/9005/9176/files/85225190353.pdf
    • https://cdn.shopify.com/s/files/1/0433/4531/3941/files/zagopula.pdf
    • https://cdn.shopify.com/s/files/1/0432/3049/4878/files/pitowamozaso.pdf
    • https://cdn.shopify.com/s/files/1/0433/7198/7098/files/pepe_minecraft_skin.pdf
    • https://cdn.shopify.com/s/files/1/0430/6799/8362/files/dapejewebit.pdf
    • https://cdn.shopify.com/s/files/1/0430/4958/2743/files/77611022621.pdf
    • https://cdn.shopify.com/s/files/1/0430/1560/2339/files/zalitolelariporidowof.pdf
    • https://cdn.shopify.com/s/files/1/0431/1914/9216/files/vatijuponugebi.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_off00008eae.bin
606718846e3c7a6b7a7e96f24bdccc2774615d05637add0c8aa4bcaa00a4711c
pdf-font-stream PDF embedded font (sfnt) at offset 0x8EAE 5908 bytes
font_01_sfnt_off0000a2c7.bin
76fbfd0caee054fec08f78d0c2c210d7d03e8b963defc00711a2cee26c6f2e8f
pdf-font-stream PDF embedded font (sfnt) at offset 0xA2C7 10352 bytes