Malicious PDF — malware analysis report

Static analysis result for SHA-256 fec122da9706d7d1…

MALICIOUS

PDF

73.4 KB Created: 2020-08-28 10:49:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8c41f6e075f1b54d4a65cfe0bccb5c95 SHA-1: 4d355c010a7100f033bc02433ec930b90376ed33 SHA-256: fec122da9706d7d19ff7fd07278b1a61761a91ff5c93e4261444a2c81339982f
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link leads to a link farm of 18 PDFs, indicating a phishing or scam attempt. The primary malicious URL is https://ttraff.link/pify?keyword=rann+goldrich+download, which is designed to redirect users to further malicious content.

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.link/pify?keyword=rann+goldrich+download
    • http://files.carolinamountainreefs.com/uploads/1/3/2/8/132814306/lanuzibizenub_pimulu_motazosapijulek_jazidodirul.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gamawogedeveredu.pdf
    • https://cdn.shopify.com/s/files/1/0457/3544/4646/files/2398261727.pdf
    • https://cdn.shopify.com/s/files/1/0436/8711/6965/files/10531920469.pdf
    • https://cdn.shopify.com/s/files/1/0430/1615/9381/files/joyeux_noel_movie.pdf
    • https://cdn.shopify.com/s/files/1/0431/9661/2768/files/hawkeye_fishtrax_1c_manual.pdf
    • https://cdn.shopify.com/s/files/1/0435/2029/5064/files/wiwujamalujejofekozaj.pdf
    • https://cdn.shopify.com/s/files/1/0430/7235/6505/files/26113758690.pdf
    • https://cdn.shopify.com/s/files/1/0436/9973/2633/files/1863951628.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c350.bin
ab2295071c9afa11487e5ce39f9562024b68f291eda2ab32fa5fd7dc553f34d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC350 5124 bytes
font_01_sfnt_off0000d4c1.bin
e9a5a1f6ed95b1e3669933bb00002ad32a1708c3e0b735191cad5e02368a6c7d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD4C1 1800 bytes
font_02_sfnt_off0000dd4f.bin
c70adacd07312f6f41cdf7ccd3be7af698a636f68c14338ff244549ffed867c6		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDD4F 10944 bytes
font_03_sfnt_off000102e0.bin
531e37f64a2e7dc3bfb257675d9e6c644c7b1597f33ba9a969cd005a7ed65660		 pdf-font-stream PDF embedded font (sfnt) at offset 0x102E0 16312 bytes

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