Malicious PDF — malware analysis report

Static analysis result for SHA-256 9affc1ef60f001be…

MALICIOUS

PDF

44.0 KB Created: 2020-08-01 06:43:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6fb02c3ce443935718043d708631e36d SHA-1: f0bfd03bba727282da1fbeb0782bb1c1e4a01f82 SHA-256: 9affc1ef60f001bea308e55a86ec46f7e857cc89972f1189f64743012e50516c
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, which is indicative of a link farm or SEO poisoning attempt. One critical heuristic identified a link to a known malicious redirector, https://ttraff.cc/pify?keyword=schlage+be365+manual, suggesting the document's primary purpose is to redirect users to malicious infrastructure. 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.cc/pify?keyword=schlage+be365+manual
    • http://files.birgittasundstromjansdotter.com/uploads/1/3/2/6/132696174/fuvapixafaguwuvi.pdf
    • http://files.mercy-reigns.com/uploads/1/3/1/4/131438362/dudolojigatojo-wuzutazonujupe-jenapojanu.pdf
    • http://files.jojoknits.com/uploads/1/3/0/7/130739971/titoxuzariv_nilujeg_rebezo_lijad.pdf
    • http://files.mcbaronfootball.com/uploads/1/3/0/7/130738639/fapejigozujat_fasilosix_gebuf_potasu.pdf
    • http://files.angelinanikon.com/uploads/1/3/1/8/131858043/37119ef9.pdf
    • https://cdn.shopify.com/s/files/1/0435/7832/7199/files/muroronevab.pdf
    • https://cdn.shopify.com/s/files/1/0433/0923/6374/files/govobelizumalivokikosu.pdf
    • https://cdn.shopify.com/s/files/1/0436/6961/8841/files/wejotopelog.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zurutadodusabexefiba.pdf
    • https://cdn.shopify.com/s/files/1/0433/1926/3397/files/20023227278.pdf
    • https://cdn.shopify.com/s/files/1/0434/5089/2454/files/the_knight_s_sword_rs3.pdf
    • https://cdn.shopify.com/s/files/1/0428/8797/0975/files/it_2104_how_to_fill_out.pdf
    • https://cdn.shopify.com/s/files/1/0430/7173/3917/files/pelewapokiterukeli.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ruwisosipopiwusanitilowaz.pdf
    • https://cdn.shopify.com/s/files/1/0440/4156/8421/files/kuboraxojamomuxadel.pdf
    • https://cdn.shopify.com/s/files/1/0434/3064/1829/files/67122703982.pdf
    • https://cdn.shopify.com/s/files/1/0431/1410/2950/files/vozufegaloguk.pdf
    • https://cdn.shopify.com/s/files/1/0428/2286/0966/files/xuzukomejilazefoxabonaj.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_off00006abc.bin
7e9dad6c9c68673b8ea55b26c897a935e4271df5f5185d4d2016fcb7fb587927
pdf-font-stream PDF embedded font (sfnt) at offset 0x6ABC 5624 bytes
font_01_sfnt_off00007dc1.bin
a28dba3aad2fb44d3ba00b08a30f21f04f8e8e5b613455c00047b89b49b82aba
pdf-font-stream PDF embedded font (sfnt) at offset 0x7DC1 10996 bytes