Malicious PDF — malware analysis report

Static analysis result for SHA-256 c07bd243d2751700…

MALICIOUS

PDF

44.9 KB Created: 2020-08-03 11:37:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 53b5f6f3279c9e75fd8d54dcf917c00f SHA-1: c55dfd416ce52a0088131f68b33a95ea5a3bfbc6 SHA-256: c07bd243d2751700d4f8706c23b59d5a22369785e52955f07baf6e47e6c92d63
120 Risk Score

Malware Insights

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

The PDF contains a deceptive link that redirects to a malicious URL, likely as part of a phishing or scam campaign. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the malicious nature of the redirector. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many of which are benign but serve to obscure the malicious one. 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.cc/pify?keyword=beats+music+brand+guidelines+pdf
    • http://files.taoslightandshadow.com/uploads/1/3/2/6/132681887/b6a3bafcb36.pdf
    • http://files.fdtumblers.com/uploads/1/3/1/4/131455636/kaguvedonef.pdf
    • http://files.watchrepaircentral.com/uploads/1/3/0/8/130814553/zekifosapuzexow.pdf
    • https://cdn.shopify.com/s/files/1/0428/4183/3635/files/xugagasuzizenivunosuliza.pdf
    • https://cdn.shopify.com/s/files/1/0433/8850/2174/files/5063199688.pdf
    • https://cdn.shopify.com/s/files/1/0434/6888/2072/files/zakixiguxutodabemodixof.pdf
    • https://cdn.shopify.com/s/files/1/0435/2802/8312/files/43240298744.pdf
    • https://cdn.shopify.com/s/files/1/0433/1631/4277/files/neresem.pdf
    • https://cdn.shopify.com/s/files/1/0431/1141/5965/files/92782623056.pdf
    • https://cdn.shopify.com/s/files/1/0436/2751/1961/files/jimev.pdf
    • https://cdn.shopify.com/s/files/1/0431/7547/7405/files/65775651417.pdf
    • https://cdn.shopify.com/s/files/1/0438/4551/7469/files/bomosaxonamipibeperemajo.pdf
    • https://cdn.shopify.com/s/files/1/0433/9000/9502/files/fipot.pdf
    • https://cdn.shopify.com/s/files/1/0437/9348/1889/files/94665301381.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/geligup.pdf
    • https://cdn.shopify.com/s/files/1/0439/4500/1115/files/authorize._net_error_codes.pdf
    • https://cdn.shopify.com/s/files/1/0431/1715/0368/files/11831928182.pdf
    • https://cdn.shopify.com/s/files/1/0438/2470/9794/files/73911184481.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/
    • https://cdn.shopify.com/s/files/1/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000070d2.bin
a6c7835ac60ad06371b1e258c55ec48d1b8e1f9424bb9735c50faa9216fbff83		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70D2 5664 bytes
font_01_sfnt_off000083fc.bin
025b8a2959e26e78ef68432b2afaa7fc78cc82e98be8d490fca587f95748a583		 pdf-font-stream PDF embedded font (sfnt) at offset 0x83FC 10108 bytes

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