Malicious PDF — malware analysis report

Static analysis result for SHA-256 45abc39891a37800…

MALICIOUS

PDF

53.7 KB Created: 2020-08-03 17:46:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 92d47ee0ff4fdc03317192554234c0e5 SHA-1: 1293425f0bfa3df1c4a381f6b366ad3f9e9c9d45 SHA-256: 45abc39891a37800485e29220c461db967820ed14e2a618a382ebf2a2b7aba78
120 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body and embedded links suggest an attempt to exploit SEO tactics to drive traffic to malicious sites, potentially for phishing or malware distribution. The presence of numerous links, including those to Shopify, indicates a link farm strategy. 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/pify?keyword=emerald+tablets+of+hermes+trismegistus+pdf
    • http://files.ellvenus.com/uploads/1/3/2/8/132815318/de077f64869c.pdf
    • http://files.boondhs.com/uploads/1/3/0/8/130813692/lepedinow.pdf
    • http://files.jjkbarrelracing.com/uploads/1/3/0/7/130775859/1177648.pdf
    • http://files.restallsviolins.com/uploads/1/3/0/8/130814605/4db6a877ed.pdf
    • http://files.jnhospitalityentertainment.com.au/uploads/1/3/1/4/131407357/tofos.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lasuzopaxikabade.pdf
    • https://cdn.shopify.com/s/files/1/0430/2818/5239/files/vubivikugatulita.pdf
    • https://cdn.shopify.com/s/files/1/0430/8746/2551/files/xaleto.pdf
    • https://cdn.shopify.com/s/files/1/0435/6908/6619/files/robozepukasogon.pdf
    • https://cdn.shopify.com/s/files/1/0432/2990/5058/files/lobofumam.pdf
    • https://cdn.shopify.com/s/files/1/0431/2468/7014/files/add_font_to_illustrator.pdf
    • https://cdn.shopify.com/s/files/1/0430/7327/4018/files/dijinuvalomumufamuwomovo.pdf
    • https://cdn.shopify.com/s/files/1/0430/9988/1639/files/derby_owners_club.pdf
    • https://cdn.shopify.com/s/files/1/0433/8122/7672/files/noxerazupum.pdf
    • https://cdn.shopify.com/s/files/1/0430/0688/6051/files/euler_phi_function.pdf
    • https://cdn.shopify.com/s/files/1/0429/3686/0839/files/kiwijepipagozufamokokun.pdf
    • https://cdn.shopify.com/s/files/1/0428/7958/2374/files/curmudgeon_s_guide_to_getting_ahead.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_off00007305.bin
2f46be75ddbdd55c282b9223612e365953f691294122877912f5692a4415359a
pdf-font-stream PDF embedded font (sfnt) at offset 0x7305 5552 bytes
font_01_sfnt_off000085b4.bin
1d55effaaa4930558abf373f8e278e24fbd2654420f6c94ec13ca3ae2e244e8d
pdf-font-stream PDF embedded font (sfnt) at offset 0x85B4 10824 bytes
font_02_sfnt_off0000aa4e.bin
de360b01d11f70e407e0a000346bc491876559628adae1e2a6d3ac89abd2e892
pdf-font-stream PDF embedded font (sfnt) at offset 0xAA4E 19396 bytes