Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe3d648db4e9ad8a…

MALICIOUS

PDF

42.0 KB Created: 2020-09-07 10:05:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 58d5ae8f7839f4bd2f250ee1e7b65979 SHA-1: 17455933381db76458fb5c29850ee6550d8d2fff SHA-256: fe3d648db4e9ad8a00c9a0dc55f50dfa902d59156083cf999ae63b7ef6c473d1
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.me/wix?keyword=netflix++pc+limit'. This URL is likely part of a phishing campaign, using a lure related to Netflix account limits. The document also contains a large number of embedded links, many pointing to Shopify domains, suggesting a link farm or distribution mechanism. 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.me/wix?keyword=netflix++pc+limit
    • https://cdn.shopify.com/s/files/1/0427/4293/9814/files/16917553609.pdf
    • https://cdn.shopify.com/s/files/1/0452/2262/5431/files/37635222200.pdf
    • https://cdn.shopify.com/s/files/1/0432/5530/0249/files/metebuxipur.pdf
    • https://cdn.shopify.com/s/files/1/0431/8494/7357/files/72092174266.pdf
    • https://cdn.shopify.com/s/files/1/0447/2838/5690/files/59722348479.pdf
    • https://static.usrfiles.com/ugd/08e331_a570467f08894d9694918844f9d9b0c0.pdf
    • https://static.usrfiles.com/ugd/b6bf5b_96bf5ffa9c8c46b8b2e0fbe0dfcee739.pdf
    • https://static.usrfiles.com/ugd/2a2e94_7170427120f9416ba130455615a5e1ed.pdf
    • https://static.usrfiles.com/ugd/cd81e9_bea0361d09024e72a8dfad7bb115aebb.pdf
    • https://static.usrfiles.com/ugd/f63f29_6418a9c72abf470183939a6126b88e43.pdf
    • https://cdn.shopify.com/s/files/1/0432/0670/5311/files/97450551282.pdf
    • https://cdn.shopify.com/s/files/1/0432/6971/8182/files/99184206868.pdf
    • https://static.usrfiles.com/ugd/b8c837_7c00e3fd763d49aeb52b56d4275fa331.pdf
    • https://static.usrfiles.com/ugd/f8de3e_64236dcc37604c9aa621f761b556890d.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_off00006750.bin
ae7baaed4ebcdd1e0c781252238f2a5467677a414660518887eccc2698bccce5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6750 4716 bytes
font_01_sfnt_off0000775e.bin
c5f655c5badd48cc7ced7eda06ff2b341ef9314160fdd5072630e35356d83f97		 pdf-font-stream PDF embedded font (sfnt) at offset 0x775E 10652 bytes

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