Malicious PDF — malware analysis report

Static analysis result for SHA-256 570be08b67a780e0…

MALICIOUS

PDF

43.8 KB Created: 2020-07-31 12:05:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 550ef294b85387a2b9e578b3c9f2784e SHA-1: 456a45dbbab1955b1426cc6b74a231be07889682 SHA-256: 570be08b67a780e08f0ea4cbbc615ced1aa807c80d35f04bb233dba2c449a735
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, identified as a 'PDF_SEO_LINK_FARM' heuristic. One of these links, 'https://ttraff.cc/pify?keyword=gin+cocktail+recipes+south+africa+pdf', is flagged as a malicious redirector. The document body, though heavily obfuscated, appears to be a lure related to 'gin cocktail recipes'. The combination of a deceptive document theme and a high volume of links to potentially malicious sites indicates a phishing or redirection attack.

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.cc/pify?keyword=gin+cocktail+recipes+south+africa+pdf
    • http://files.residenciaholidayrentals.com/uploads/1/3/1/3/131398110/85110ce632e0.pdf
    • http://files.maximelaurentart.com/uploads/1/3/1/3/131380343/4691344.pdf
    • http://files.pacificrimmfg.com/uploads/1/3/0/7/130776674/sifexutivito.pdf
    • https://cdn.shopify.com/s/files/1/0428/5281/0911/files/94189567506.pdf
    • https://cdn.shopify.com/s/files/1/0429/2929/1427/files/51351851658.pdf
    • https://cdn.shopify.com/s/files/1/0440/5913/2069/files/gimakuxa.pdf
    • https://cdn.shopify.com/s/files/1/0432/0663/9779/files/femekir.pdf
    • https://cdn.shopify.com/s/files/1/0440/6686/5302/files/62886069664.pdf
    • https://cdn.shopify.com/s/files/1/0439/2937/0779/files/24907635294.pdf
    • https://cdn.shopify.com/s/files/1/0429/1703/6198/files/kevogabipuxilozadus.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/16711599054.pdf
    • https://cdn.shopify.com/s/files/1/0432/1070/3012/files/bevosogusuvesoxudolijex.pdf
    • https://cdn.shopify.com/s/files/1/0432/8721/6293/files/58037468185.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_off00006be9.bin
2934e447f671614a9265373469e064808ddff7ca070b4c49418c86f599eb9f1d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6BE9 5220 bytes
font_01_sfnt_off00007d9d.bin
8f0d5ae1c51354a0f59d1be6f2802b106661d1199a089673a64a00c86fa5890e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D9D 10752 bytes

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