Malicious PDF — malware analysis report

Static analysis result for SHA-256 599e744af163ee82…

MALICIOUS

PDF

37.4 KB Created: 2020-08-18 13:06:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 696d661168650053b66c8b16fe56ee63 SHA-1: c4ae4cf41600693b2dd365f8e6e54aad124557dc SHA-256: 599e744af163ee82620f4bd2f778889e136037b945a867dc5e1e4dd892b746ea
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, with the primary one leading to a potentially malicious redirector. The document body, though heavily obfuscated, contains the same URL found in the redirector heuristic, suggesting a deliberate attempt to lure the user to this malicious site.

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=black+bitumen+paint+data+sheet
    • http://files.electrolysisandco.com/uploads/1/3/1/4/131483154/zolodededemutirop.pdf
    • http://majedi.citygoose.ca/uploads/1/3/1/8/131871390/4101451.pdf
    • http://zirug.makeupbyshandre.com/uploads/1/3/0/7/130776677/finugibuwulate.pdf
    • https://cdn.shopify.com/s/files/1/0439/5014/5704/files/sesax.pdf
    • https://cdn.shopify.com/s/files/1/0427/8976/5279/files/80899899140.pdf
    • https://cdn.shopify.com/s/files/1/0432/8531/5744/files/masegafivirax.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tagitigupi.pdf
    • https://cdn.shopify.com/s/files/1/0432/8423/4398/files/differential_equations_polking_boggess_arnold.pdf
    • https://cdn.shopify.com/s/files/1/0428/2010/8455/files/kuzivaziwumedujadipalo.pdf
    • https://cdn.shopify.com/s/files/1/0428/3544/3875/files/71844417758.pdf
    • https://cdn.shopify.com/s/files/1/0436/7374/7609/files/nepufukabuduluweb.pdf
    • https://cdn.shopify.com/s/files/1/0430/4686/3005/files/gebavuruwofaxanupaxiv.pdf
    • https://cdn.shopify.com/s/files/1/0431/1459/4464/files/rotational_symmetry_shapes.pdf
    • https://cdn.shopify.com/s/files/1/0434/2539/8946/files/school_calendar_2020_17_deped.pdf
    • https://cdn.shopify.com/s/files/1/0429/0147/1388/files/java_reverse_array.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jaled.pdf
    • https://cdn.shopify.com/s/files/1/0429/2860/3295/files/79677137678.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_off0000498d.bin
8658f4292464a3ae11f20157662b829f5ccd6f5f6f1d8a93ab704935cd718615
pdf-font-stream PDF embedded font (sfnt) at offset 0x498D 5244 bytes
font_01_sfnt_off00005b29.bin
33c154c735610fdf690bdd8bf7201950d90144a86350617677833967209ba7c5
pdf-font-stream PDF embedded font (sfnt) at offset 0x5B29 9192 bytes
font_02_sfnt_off00007a82.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3
pdf-font-stream PDF embedded font (sfnt) at offset 0x7A82 4324 bytes