Malicious PDF — malware analysis report

Static analysis result for SHA-256 3026da49baf5e6fe…

MALICIOUS

PDF

49.0 KB Created: 2020-08-17 13:50:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8e3deb7089e820ac1db6728fe5262b08 SHA-1: 11fc38464c9a2b7c22b15f6f0a4f7333465ab9c0 SHA-256: 3026da49baf5e6fe87540a668b733553a8dc0fc5392b83a2ece03d417bfef857
120 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with many links pointing to Shopify domains, likely for SEO manipulation. One critical link directs to a known malicious redirector, ttraff.cc, which is likely the primary payload delivery mechanism. The document body, though heavily obfuscated, contains the same lure text and URLs, reinforcing the malicious intent. No scripts were extracted, limiting the analysis of specific execution techniques.

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=whatsapp+profile+picture+2019
    • http://files.ratewrestle.co.uk/uploads/1/3/1/3/131378838/a6a7800d7.pdf
    • http://files.alexandrialynndesigns.com/uploads/1/3/1/4/131483108/4828574.pdf
    • https://cdn.shopify.com/s/files/1/0430/3680/3233/files/33807456036.pdf
    • https://cdn.shopify.com/s/files/1/0433/1608/4891/files/budojobikiweteda.pdf
    • https://cdn.shopify.com/s/files/1/0429/2087/0044/files/int_max_c.pdf
    • https://cdn.shopify.com/s/files/1/0436/0405/0084/files/72900762663.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13977314479.pdf
    • https://cdn.shopify.com/s/files/1/0431/1734/6982/files/rrb_je_biology_questions.pdf
    • https://cdn.shopify.com/s/files/1/0431/1613/4562/files/babylon_talmud.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bobidaxida.pdf
    • https://cdn.shopify.com/s/files/1/0434/5053/1990/files/dekoxorawerofe.pdf
    • https://cdn.shopify.com/s/files/1/0431/4274/2167/files/bipemanarivitufegiku.pdf
    • https://cdn.shopify.com/s/files/1/0437/4347/7909/files/english_phonetic_dictionary.pdf
    • https://cdn.shopify.com/s/files/1/0431/1092/4437/files/plotting_coordinates_worksheets.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_off00006b54.bin
d7064b9ee7a26f59b0704be744a5b9f418bb39ebf227183e48ee7778b1bd20ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B54 5600 bytes
font_01_sfnt_off00007e71.bin
942dc896c11162e40b61acc9e083b9f0ad7802e2180fb7495dea2dc67576d1be		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E71 10068 bytes
font_02_sfnt_off0000a101.bin
aad9bc0f36eadc3314e08670b59090120051e308b357201f134af3d0b781b2b0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA101 16312 bytes

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