Malicious PDF — malware analysis report

Static analysis result for SHA-256 b6e657895b32b397…

MALICIOUS

PDF

43.3 KB Created: 2020-08-06 07:15:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4573c02d61b7b46ec5b3481fb4f9b1c5 SHA-1: efeae178a1dd144c93b71cd108cc4a89e1fde7db SHA-256: b6e657895b32b3971c162ca7210bece6fb2ff8d2528da9083711036536f74f0b
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, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.com'. This suggests a link farm or SEO poisoning technique designed to lure users to malicious infrastructure. The document body, though heavily obfuscated, contains the target URL, reinforcing the malicious intent.

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/wb?keyword=sacred%20woman%20queen%20afua%20pdf
    • http://dogozazij.anammai.com/uploads/1/3/0/7/130739693/rijagaviten-fugelupugik-kivowerubugamu.pdf
    • http://files.alex-chien.com/uploads/1/3/0/7/130739826/3065533.pdf
    • http://files.eastworship.org/uploads/1/3/1/1/131164124/mebedex-gedukufodubimo-xuzegirulesezu.pdf
    • http://files.thehulses.com/uploads/1/3/1/8/131871687/negudo-xapifiw.pdf
    • http://razumoku.maskshop.ca/uploads/1/3/0/8/130874431/mukarepuwewem_napitudezabuxum_pupurawinad_noxoned.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/2283550224.pdf
    • https://cdn.shopify.com/s/files/1/0429/5000/0791/files/xadovogevidet.pdf
    • https://cdn.shopify.com/s/files/1/0437/4413/3281/files/23103366609.pdf
    • https://cdn.shopify.com/s/files/1/0431/3956/3686/files/zabobej.pdf
    • https://cdn.shopify.com/s/files/1/0434/5842/9078/files/style_telugu_movie.pdf
    • https://cdn.shopify.com/s/files/1/0437/8250/4600/files/pioneer_mosfet_50wx4.pdf
    • https://cdn.shopify.com/s/files/1/0430/0842/6143/files/sotowuwumizumamo.pdf
    • https://cdn.shopify.com/s/files/1/0438/0770/3201/files/merge_and_rearrange_files_online.pdf
    • https://cdn.shopify.com/s/files/1/0439/6508/7902/files/lurupu.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_off00006c4a.bin
cba03d31073e1fe7b47d69242a5ab90683114a2fe702bc7544027dfa1a1a76fa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C4A 5412 bytes
font_01_sfnt_off00007eaa.bin
c5dc3e6bcd9aa2482909a06df01c08232c476c5b68825ab8c7880b9f1df6dc8a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7EAA 9916 bytes

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