Malicious PDF — malware analysis report

Static analysis result for SHA-256 5022c9f47145f9c3…

MALICIOUS

PDF

49.8 KB Created: 2020-09-01 08:03:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 70f441846757181a9fc38a72d3d20a4e SHA-1: f1a30180c1336ddf8382a52389f9fd597570214e SHA-256: 5022c9f47145f9c3163d1b16a69538d9c3e7316a12c5b41e01ccadfb73675a33
120 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely intended to lead the user to a malicious site. The document body, though heavily obfuscated, contains text that appears to be related to a game, suggesting a lure. The PDF also contains a large number of links to external PDFs hosted on Shopify, likely part of a link farm to improve SEO for malicious content.

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/wix?keyword=tactics+ogre+the+knight+of+lodis
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72890356131.pdf
    • https://cdn.shopify.com/s/files/1/0440/1460/0342/files/8369442885.pdf
    • https://cdn.shopify.com/s/files/1/0430/8012/2532/files/jomanusagapoxewopulovok.pdf
    • https://cdn.shopify.com/s/files/1/0440/1650/0886/files/fuzuterinapuz.pdf
    • https://static.usrfiles.com/ugd/57c819_f8ee966d7d184b328364829fec991dac.pdf
    • https://static.usrfiles.com/ugd/d1d005_f3601d27162e441e8bbe5f9d6c63aec5.pdf
    • https://static.usrfiles.com/ugd/bfbc46_1e2aee64948a4a929c36706e60cb789f.pdf
    • https://static.usrfiles.com/ugd/227d0f_93dfc21e15854d85853a177f2e080f59.pdf
    • https://static.usrfiles.com/ugd/87d215_acc6f3d360ea4116a9c90d134e1fce23.pdf
    • https://cdn.shopify.com/s/files/1/0430/0842/6143/files/html_form_post_to_api.pdf
    • https://cdn.shopify.com/s/files/1/0431/8943/6580/files/vatimedilesamudukef.pdf
    • https://cdn.shopify.com/s/files/1/0432/8049/8841/files/magolekek.pdf
    • https://cdn.shopify.com/s/files/1/0433/6150/1336/files/cd_full_form_in_police.pdf
    • https://cdn.shopify.com/s/files/1/0435/6059/9711/files/the_golden_tower_magisterium_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/0097/8853/files/marketing_project_report_on_sales_promotion.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_off00008447.bin
795a63d35393f746148efdc0f9a72778819981eb67ffeadd6672d42f06c6e5a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8447 5296 bytes
font_01_sfnt_off0000963f.bin
6f9801ad0b45a1a118793509bf8310271312992c3dd5ae19aa11150a95e8902c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x963F 10648 bytes

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