Malicious PDF — malware analysis report

Static analysis result for SHA-256 accd0f466484bc79…

MALICIOUS

PDF

189.7 KB Created: 2020-08-31 13:58:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 656288edcfe3b7591b7f1be9eccd538a SHA-1: 0dc3987055e067ed58b60eaebd84bcfb9dec127d SHA-256: accd0f466484bc7994bb75132cb54936af6edb20bbfb3da59174f96bda68ae43
60 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing indicating a malicious redirector link. The embedded URL, 'https://ttraff.ru/wix?keyword=commanding+heights+episode+3+worksheet+answers', is identified as a malicious redirector. This suggests the document's primary purpose is to lure the user to a malicious site, likely for further exploitation or credential harvesting.

Heuristics 2

  • 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.
  • 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.ru/wix?keyword=commanding+heights+episode+3+worksheet+answers
    • https://static.usrfiles.com/ugd/b8c837_704e379a2a26416eabe240f17ddfaf37.pdf
    • https://static.usrfiles.com/ugd/5be868_554765883bbf400ca309674df398b5ee.pdf
    • https://static.usrfiles.com/ugd/b8c837_8b05a0a6ff51488e9516e0d1cbbee83e.pdf
    • https://static.usrfiles.com/ugd/50de67_59ed65f384824c128e96897f942d27f1.pdf
    • https://static.usrfiles.com/ugd/b8c837_a7dd1623cdc14e0389253627334ffbe6.pdf
    • https://static.usrfiles.com/ugd/c1615c_661f0ee266b34a8da3ec3a7cafb0c6ef.pdf
    • https://static.usrfiles.com/ugd/fd3290_ca5642c0d62e4c5089d61e87c540b8b7.pdf
    • https://static.usrfiles.com/ugd/b8c837_07edbf501a6e4043b1c014301e877171.pdf
    • https://static.usrfiles.com/ugd/0d002d_93f204cc6ca044ae87b04c7a8445135e.pdf
    • https://static.usrfiles.com/ugd/097bd5_d6f70410389a4f32aedc23f13e3a67d8.pdf
    • https://cdn.shopify.com/s/files/1/0461/9635/9321/files/pojaromonewi.pdf
    • https://cdn.shopify.com/s/files/1/0437/0504/1051/files/6158530646.pdf
    • https://cdn.shopify.com/s/files/1/0433/5622/5688/files/kasafipabirir.pdf
    • https://cdn.shopify.com/s/files/1/0432/6454/0825/files/metabolic_equivalent.pdf
    • https://cdn.shopify.com/s/files/1/0432/8570/8968/files/zuzisexevofujuve.pdf
    • https://cdn.shopify.com/s/files/1/0431/2635/8173/files/number_line_activities.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002a3aa.bin
33e0d5e76a7340d2f56edea5d79ed65c1a442e5db37e8ddaa246bb435e8d77ad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A3AA 5472 bytes
font_01_sfnt_off0002b626.bin
91778658cabc131235253097bfb1d34f22b79add8c9cce3d941378e8ddc91232		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B626 10488 bytes
font_02_sfnt_off0002da2b.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2DA2B 4324 bytes

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