Malicious PDF — malware analysis report

Static analysis result for SHA-256 2413d40bdf9d2bd6…

MALICIOUS

PDF

79.0 KB Created: 2020-08-20 22:24:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 957ecec2156791c7fe721e3ce3c6cb02 SHA-1: 03e1b54d54f08c64197bb0c7a6cc4a52504b6e8e SHA-256: 2413d40bdf9d2bd6378e7d31c21d414b2abf02f68cdb511140ddc064cd88e99c
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=payphone++maroon+5'. This indicates the document's primary purpose is to redirect users to malicious infrastructure. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded links, suggesting a broader campaign to distribute malicious content. No scripts were extracted, limiting the analysis of direct execution capabilities.

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=payphone++maroon+5
    • http://tizuwu.ikhlastours.co.nz/uploads/1/3/0/7/130775388/mupemiwuvotepakaw.pdf
    • http://files.lisammartino.com/uploads/1/3/0/9/130969434/1575228.pdf
    • http://files.tinabobnickphotography.com/uploads/1/3/0/9/130969424/xululadijoz-valiwuvawup.pdf
    • https://cdn.shopify.com/s/files/1/0428/7175/0823/files/retonosesonejege.pdf
    • https://cdn.shopify.com/s/files/1/0435/2871/6440/files/cause_and_effect_paragraph_sample.pdf
    • https://cdn.shopify.com/s/files/1/0437/7837/5829/files/vagilasulepevojimute.pdf
    • https://cdn.shopify.com/s/files/1/0433/2643/9582/files/jiguzemiwozokukovomobe.pdf
    • https://cdn.shopify.com/s/files/1/0433/2866/7816/files/72941982839.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1261535930.pdf
    • https://cdn.shopify.com/s/files/1/0435/6807/0824/files/aphra_behn_the_rover_download.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ca58.bin
6fb78537f145f451037aab3c948165c15bf929702daebbbc919abb2c25eb2a8b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCA58 3496 bytes
font_01_sfnt_off0000d6f5.bin
566e3570f1817cab29f7ca6d74cfbd0edab49865919f1e36e14e344aebe16b2c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD6F5 5076 bytes
font_02_sfnt_off0000e80d.bin
673509180b57c8f9516e91ca5c250590b78eb4ddba2afb78a5938efe2849f128		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE80D 16224 bytes
font_03_sfnt_off00011995.bin
46d9b83afd797048ab251ddfc9ca9a6db44f3280724c231f6a80a061bcc6fc12		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11995 16120 bytes

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