Malicious PDF — malware analysis report

Static analysis result for SHA-256 49e50690a0df9080…

MALICIOUS

PDF

59.7 KB Created: 2020-08-14 16:58:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: bf6f3a83b6948c087202c913f2015099 SHA-1: 2284ac214fdf8c73c22b84b26538d0e85bfe9a50 SHA-256: 49e50690a0df908087c99b35955e19a2290780ef41d1a697e405f2a9e4451a49
150 Risk Score

Malware Insights

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

The PDF contains a link farm and a malicious redirector URL, indicating a phishing or scam attempt. The primary malicious URL is https://ttraff.com/pify?keyword=imagenes+manualidades+navide%25C3%25B1as+para+ni%25C3%25B1os+preescolar, which is designed to redirect users to further malicious content. The presence of numerous links, many pointing to Shopify, suggests an attempt to obscure the final destination or leverage legitimate platforms for distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=imagenes+manualidades+navide%25C3%25B1as+para+ni%25C3%25B1os+preescolar
    • http://files.animalhealer.net/uploads/1/3/0/7/130740561/6076ff.pdf
    • http://zovokage.southamptonsdachurch.org/uploads/1/3/1/1/131163953/448862.pdf
    • http://files.theforagedfern.com/uploads/1/3/1/1/131163687/98299170ee46c6.pdf
    • http://tirej.lakesidelacrosse.com/uploads/1/3/0/8/130874359/gonajadinoz.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/botudurodakokebavexosox.pdf
    • https://cdn.shopify.com/s/files/1/0434/5308/7909/files/united_states_zip.pdf
    • https://cdn.shopify.com/s/files/1/0428/0814/8127/files/bajulapokeruvidadep.pdf
    • https://cdn.shopify.com/s/files/1/0429/9168/1699/files/junovelizesupipovabesab.pdf
    • https://cdn.shopify.com/s/files/1/0432/1627/3576/files/schindler_s_list_main_theme_piano.pdf
    • https://cdn.shopify.com/s/files/1/0431/5473/5264/files/64714807276.pdf
    • https://cdn.shopify.com/s/files/1/0434/7622/2114/files/gikonefarewomitoduxeped.pdf
    • https://cdn.shopify.com/s/files/1/0436/3704/7449/files/rezowod.pdf
    • https://cdn.shopify.com/s/files/1/0427/8734/0454/files/31328933500.pdf
    • https://cdn.shopify.com/s/files/1/0440/4579/5493/files/quality_assurance_supervisor_job_description.pdf
    • https://cdn.shopify.com/s/files/1/0432/5598/8374/files/zigozuxas.pdf
    • https://cdn.shopify.com/s/files/1/0432/0608/2717/files/51507318007.pdf
    • https://cdn.shopify.com/s/files/1/0429/9830/0823/files/4715302150.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_off0000a4e7.bin
30caf3f15ab6107f3131bba9347ae69cb4cb906d11bd000d3297cf94408cfa48
pdf-font-stream PDF embedded font (sfnt) at offset 0xA4E7 5600 bytes
font_01_sfnt_off0000b78e.bin
b81f3743f486e60e1db7fb20927f798a3ba4b0796d1dd8b5d9bbce97ebd5a8aa
pdf-font-stream PDF embedded font (sfnt) at offset 0xB78E 11988 bytes