Malicious PDF — malware analysis report

Static analysis result for SHA-256 9aca33c1c19a619a…

MALICIOUS

PDF

39.7 KB Created: 2020-08-28 11:48:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8f41cfc63a43b932e594d2ec6e4e7ccf SHA-1: be4ba7fec65aca622eefbfd258293f22b7863cea SHA-256: 9aca33c1c19a619a41532e70fc485632db0e9828ee434da971fdfc06b69a67d1
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, a technique often used to create link farms. One of the primary links, 'https://ttraff.com/pify?keyword=loud+turn+signal+flasher', is flagged as a malicious redirector. This suggests the document's purpose is to lure users through these links to potentially malicious websites, likely for phishing or malware delivery.

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=loud+turn+signal+flasher
    • http://files.lotusenergyandmassage.com/uploads/1/3/0/7/130739744/kopusovugiboj.pdf
    • https://cdn.shopify.com/s/files/1/0431/2154/1269/files/8002678461.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85947343199.pdf
    • https://cdn.shopify.com/s/files/1/0433/7680/3990/files/9904967293.pdf
    • https://cdn.shopify.com/s/files/1/0435/3507/3440/files/60291909130.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tokon.pdf
    • https://cdn.shopify.com/s/files/1/0430/5390/8117/files/68420946984.pdf
    • https://cdn.shopify.com/s/files/1/0440/4156/8421/files/tefixugajewulo.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mosagewenusuwaguxizekud.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_off00005c26.bin
aca09f3f1416ef01f78e0733b80eca8db2e310557c727230554bdedf6d363aa3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C26 5112 bytes
font_01_sfnt_off00006d80.bin
bc269002e038859a71b834f61da608d505287292c22327411ad9ae6617cf9ef8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D80 11000 bytes

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