Malicious PDF — malware analysis report

Static analysis result for SHA-256 c728a2f9a747006c…

MALICIOUS

PDF

72.0 KB Created: 2020-07-27 10:02:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7ea05517515a917076ba411237a33709 SHA-1: 4e2e9791dd1b47545742235ade301ab8e9df7054 SHA-256: c728a2f9a747006cb07950a28d7bed285beef9f3b3ebd2be0fa9905577851fac
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains heuristics indicating it is a malicious redirector and a link farm. The embedded links, including one pointing to 'ttraff.com', are designed to lead users to malicious infrastructure. The document body, though heavily obfuscated, suggests a lure related to 'cancer cure cover-ups'. No scripts were extracted, but the primary attack vector appears to be the malicious redirection links.

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=7+cancer+cure+cover-+ups+pdf
    • http://files.essenceofbeautydublin.com/uploads/1/3/1/6/131637057/9362341.pdf
    • http://files.georgiandiningacademy.com/uploads/1/3/0/8/130874010/0c322ffc70ceedc.pdf
    • http://files.eversondocents.org/uploads/1/3/1/4/131453539/06a7bd37c8be.pdf
    • https://cdn.shopify.com/s/files/1/0431/4795/2292/files/51250500750.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/61238086127.pdf
    • https://cdn.shopify.com/s/files/1/0432/0247/8237/files/62696470724.pdf
    • https://cdn.shopify.com/s/files/1/0435/2881/4741/files/94002427734.pdf
    • https://cdn.shopify.com/s/files/1/0431/1416/8480/files/giduriji.pdf
    • https://cdn.shopify.com/s/files/1/0437/1434/7160/files/50419722564.pdf
    • https://cdn.shopify.com/s/files/1/0431/8085/1364/files/dofojifidetudezuluka.pdf
    • https://cdn.shopify.com/s/files/1/0433/0595/9574/files/wumobavi.pdf
    • https://cdn.shopify.com/s/files/1/0432/0791/7729/files/38484271683.pdf
    • https://cdn.shopify.com/s/files/1/0428/1725/7628/files/kekaseg.pdf
    • https://cdn.shopify.com/s/files/1/0432/5353/0782/files/97427303110.pdf
    • https://cdn.shopify.com/s/files/1/0432/8642/9861/files/gikesuvov.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/
    • https://cdn.shopify.com/s

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dc86.bin
267c608e27e118f0c410dc2d6cec7473a5bf07022f18319055536704d4cbda66		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDC86 4948 bytes
font_01_sfnt_off0000ed5e.bin
d6f722da8c8d74ff2c58e569be2639aaa70674366310501ed6bd6660510948e6		 pdf-font-stream PDF embedded font (sfnt) at offset 0xED5E 11096 bytes

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