Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d4fcfe7770f9b0e…

MALICIOUS

PDF

37.6 KB Created: 2020-08-15 07:32:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8bab485c058e5f34f13dc58a721f7077 SHA-1: cf3c43313f9461d0c8eaddaa26999e2776c686e9 SHA-256: 9d4fcfe7770f9b0eabd58aff81de61de6fd7aa17d4f8407e8cde5f9603a232e0
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=bonaventure+cemetery+map+pdf'. While many other links point to benign Shopify domains, the presence of the malicious redirector suggests a phishing or malware delivery attempt. The document body, though partially corrupted, includes the same keyword found in the malicious URL, reinforcing the lure.

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=bonaventure+cemetery+map+pdf
    • http://files.joseluisperezjim.com/uploads/1/3/1/3/131383553/gejuxab.pdf
    • http://mogitixi.theplaylistshow.com/uploads/1/3/0/7/130739704/674dbd46db34f.pdf
    • http://files.naturalartgardencenter.com/uploads/1/3/1/4/131453084/bekamaz-xujediviv-jimuvebodak.pdf
    • http://files.wesvaldez.com/uploads/1/3/1/4/131483138/xepivadut.pdf
    • https://cdn.shopify.com/s/files/1/0438/3126/3394/files/kekuperukolipu.pdf
    • https://cdn.shopify.com/s/files/1/0431/6587/6390/files/66234227379.pdf
    • https://cdn.shopify.com/s/files/1/0435/3431/9776/files/44414506237.pdf
    • https://cdn.shopify.com/s/files/1/0439/5712/5278/files/make_file_smaller_mac_preview.pdf
    • https://cdn.shopify.com/s/files/1/0429/8693/0329/files/jinevavopiwo.pdf
    • https://cdn.shopify.com/s/files/1/0436/2846/2243/files/cattell_trait_theory.pdf
    • https://cdn.shopify.com/s/files/1/0431/5152/4008/files/duwopab.pdf
    • https://cdn.shopify.com/s/files/1/0446/6769/9353/files/child_development_and_pedagogy_book_download.pdf
    • https://cdn.shopify.com/s/files/1/0429/8424/3363/files/wausau_weather_radar.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_off0000561b.bin
840bc47ab6655a85a6bd167a5c4666cb0db60f4b931be171832d4abfa4dfab6a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x561B 5300 bytes
font_01_sfnt_off0000681c.bin
35449dabdea38be4134de93173fe3779698573e8c924da4bfc4fac22deb98671		 pdf-font-stream PDF embedded font (sfnt) at offset 0x681C 9884 bytes

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