Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b572cc0ce70de53…

MALICIOUS

PDF

52.0 KB Created: 2020-08-19 01:40:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 74325ff16699e3cc6cfb7e5062f74339 SHA-1: 7fbee58d55520f9f1c5fa81f34857eaa0c0f4469 SHA-256: 1b572cc0ce70de536d9cbef0927aa7391f7798ccd642f071f27dda774bf7031a
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL and keywords suggesting a lure. This indicates the PDF is designed to redirect users to malicious infrastructure, likely for phishing or malware delivery.

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=amharic+reporter+newspaper+pdf
    • http://ragabafit.cymru.tycymorth.org.uk/uploads/1/3/2/6/132682076/xiwolo.pdf
    • http://files.miamibeautyboutique.shop/uploads/1/3/1/1/131164152/7166052.pdf
    • http://files.greatpastry.co.nz/uploads/1/3/0/9/130969710/3180430.pdf
    • https://cdn.shopify.com/s/files/1/0432/5716/8027/files/10192216960.pdf
    • https://cdn.shopify.com/s/files/1/0432/0657/4238/files/vukuvupubidajakezeveven.pdf
    • https://cdn.shopify.com/s/files/1/0431/8501/2900/files/wejenuxixisozer.pdf
    • https://cdn.shopify.com/s/files/1/0436/9540/7269/files/nikon_coolpix_s3000_manual.pdf
    • https://cdn.shopify.com/s/files/1/0435/1423/2984/files/26565294036.pdf
    • https://cdn.shopify.com/s/files/1/0427/9068/2783/files/52054845206.pdf
    • https://cdn.shopify.com/s/files/1/0438/1219/2413/files/ards_treatment_guidelines.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_off00007940.bin
29df137b0f1d189347bbd712394ea89e0c3cf371e6081df822d13371470e142b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7940 7660 bytes
font_01_sfnt_off00008ceb.bin
9bbd9f34dbd70d494daa743e13f07c07f4db19f1a70c48d3b270267dc1ddd739		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8CEB 5444 bytes
font_02_sfnt_off00009f4e.bin
387fecf6ec2073d56a90b744ee99a2972bb95187a30ed601306e06dacce63d54		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9F4E 10428 bytes

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