Malicious PDF — malware analysis report

Static analysis result for SHA-256 c07a565e720e674d…

MALICIOUS

PDF

43.6 KB Created: 2020-08-15 04:24:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 402032061290536539a0741195e4f970 SHA-1: c5cd765f55dfeea70af834f4d39da31e2c733220 SHA-256: c07a565e720e674dc390a462b2c4ae6081c8f9ed00f7f7d9400d3db4cc591ced
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=hd+movies+free++ios'. It also contains a PDF link farm heuristic, with many embedded URLs, several of which point to Shopify domains. The document body contains obfuscated text and the malicious URL, suggesting a lure to download further content. The primary attack vector appears to be social engineering via a malicious link.

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=hd+movies+free++ios
    • http://files.textilesbygnomes.com/uploads/1/3/1/4/131407965/473a176f69a72.pdf
    • https://cdn.shopify.com/s/files/1/0428/8125/3535/files/donamol.pdf
    • https://cdn.shopify.com/s/files/1/0440/8868/8790/files/beefaroo_menu.pdf
    • https://cdn.shopify.com/s/files/1/0431/4028/4583/files/70578138940.pdf
    • https://cdn.shopify.com/s/files/1/0437/8745/2576/files/niwoz.pdf
    • https://cdn.shopify.com/s/files/1/0429/8643/8807/files/ruvabodojerareliwaxixig.pdf
    • https://cdn.shopify.com/s/files/1/0440/0313/1542/files/livaxisa.pdf
    • https://cdn.shopify.com/s/files/1/0436/9671/7992/files/lesumarurilagu.pdf
    • https://cdn.shopify.com/s/files/1/0430/3582/0185/files/mathe_bruchrechnen_aufgaben.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_off00006e02.bin
f163e31210109119c047b65c06430d08517677500cea268822347066cf80cecf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E02 4832 bytes
font_01_sfnt_off00007e60.bin
37570d02c96107a464254980861ce6fed5372af2869d7cd98d05539563520b1b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E60 10316 bytes

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