Malicious PDF — malware analysis report

Static analysis result for SHA-256 587f386aa5f1a06f…

MALICIOUS

PDF

43.4 KB Created: 2020-08-21 03:08:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 769b4d45e04ae4b96e490a94be2ab928 SHA-1: 3dc3275bd3fe33bd32aba80ec7147e6c2a8a2bf0 SHA-256: 587f386aa5f1a06f795bad0bea54df1306dd05524fa41c629638cf1e7879f5c2
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com', which is used in a lure for 'anime droid premium apk'. It also exhibits characteristics of a PDF link farm, with numerous links to Shopify domains, likely for SEO manipulation or to obscure the malicious redirector. No scripts were extracted from this sample.

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=anime+droid+premium+apk
    • http://xubatega.brentfamilychiropractic.com/uploads/1/3/1/6/131606875/togenap_dewitemabaj.pdf
    • https://cdn.shopify.com/s/files/1/0430/8048/2970/files/dafoba.pdf
    • https://cdn.shopify.com/s/files/1/0431/7039/8372/files/85040024501.pdf
    • https://cdn.shopify.com/s/files/1/0430/5354/7677/files/briony_fer_on_abstract_art.pdf
    • https://cdn.shopify.com/s/files/1/0434/0203/5351/files/besasaworuxusaki.pdf
    • https://cdn.shopify.com/s/files/1/0449/4727/5931/files/29440192647.pdf
    • https://cdn.shopify.com/s/files/1/0430/3942/4669/files/87335722918.pdf
    • https://cdn.shopify.com/s/files/1/0434/1281/6034/files/66981906539.pdf
    • https://cdn.shopify.com/s/files/1/0429/3158/5180/files/webisa.pdf
    • https://cdn.shopify.com/s/files/1/0428/6670/4550/files/sissy_maid_training.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_off00006d74.bin
de80ca744b05d0f841bcd9db2cf955094bd9913dc8845a118be7fdd95d6b4a79		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D74 4948 bytes
font_01_sfnt_off00007e2c.bin
c302b124346f74208be352d6307f594ebbe57874f13195d7eba18ef6e290100a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E2C 10192 bytes

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