Malicious PDF — malware analysis report

Static analysis result for SHA-256 f747a4708e7d67cc…

MALICIOUS

PDF

38.8 KB Created: 2020-09-17 07:02:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 83a3d28352e76b9865b60354ec30d9c2 SHA-1: a3b383fb37a2c0c345288fa575ff72cc1a2b95ac SHA-256: f747a4708e7d67ccec1388303e444e6109970d19224070861fe5367e86841644
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a mass external link farm, with a prominent malicious redirector URL. The document body, though partially garbled, includes the text 'Creative destruction hack no verification' and the malicious URL, suggesting a lure to a phishing or exploit site. The PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the primary URL leads to known malicious infrastructure.

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=creative+destruction+hack+no+verification
    • https://75d8448b-bc80-420e-b680-2283ba4d6f1f.filesusr.com/ugd/9d7ad9_8985d0fb1f04489ea6078bf2fdf990dd.pdf?index=true
    • https://d81ae801-0a3a-4e0c-8b2a-9d889e436070.filesusr.com/ugd/dfb5f8_c6a642925d8044879ace0dd70d468c23.pdf?index=true
    • https://e6294fa6-d211-4cef-8f73-0c4a1d0eda08.filesusr.com/ugd/43d2fc_ba7bc196e96d43e995488f3a65d986ae.pdf?index=true
    • https://a4fbff34-cc6d-41b7-9936-d18f38208898.filesusr.com/ugd/f6a907_d1fa8bf7fefb4533a66b5a12ac995004.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0432/6231/2611/files/bebis.pdf
    • https://cdn.shopify.com/s/files/1/0433/3672/8744/files/67702626696.pdf
    • https://cdn.shopify.com/s/files/1/0486/1178/6912/files/micro_atx_case_small.pdf
    • https://cdn.shopify.com/s/files/1/0439/3503/9656/files/41922098403.pdf
    • https://cdn.shopify.com/s/files/1/0432/0165/9043/files/14678924777.pdf
    • https://cdn.shopify.com/s/files/1/0437/2054/0310/files/demon_hunter_apk__obb.pdf
    • https://cdn.shopify.com/s/files/1/0431/0063/5290/files/gexadetelagipet.pdf
    • https://4fb38343-285f-4cd0-8cf3-e7c3b9e6d987.filesusr.com/ugd/e3ed1f_eedef4c4af734c0babb2cd279830e94d.pdf?index=true
    • https://7590a8cb-0252-4935-a775-90ed4c505cae.filesusr.com/ugd/3f80ec_3621d26becb74e3c90e171ef52662f23.pdf?index=true
    • https://99e511bc-5438-4d77-b18f-d1b985734b91.filesusr.com/ugd/a298ce_a3ca037e40ee4ea6a6021c200308089d.pdf?index=true
    • 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_off000059fa.bin
a19c84b7d6eac83a720000f0cf5518e3e5f36d96f612e9d302f12e3492796279		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59FA 5108 bytes
font_01_sfnt_off00006b59.bin
c3b28c21358559ec5f899d0bed03826af20f2ca6e98228798a068c0251a3e905		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B59 10272 bytes

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