Malicious PDF — malware analysis report

Static analysis result for SHA-256 332bc5cc7576bcf2…

MALICIOUS

PDF

43.1 KB Created: 2020-08-30 22:42:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4fe2efe85476b9b6be5ab279525094b0 SHA-1: f3599a219e116c96cc69dc720e5e80321cda6c27 SHA-256: 332bc5cc7576bcf29bd98d80c98f9b12a01263d414f9c2905dfcad17fa1e6a35
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, a significant portion of which point to a redirector URL. The primary heuristic indicates a malicious redirector link to 'ttraff.com', suggesting an attempt to lure users to a malicious site. While many other links point to benign Shopify domains, the presence of the malicious redirector is the most critical finding. 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.com/wix?keyword=are+you+my+neighbor
    • https://cdn.shopify.com/s/files/1/0430/3667/2162/files/competition_law_act.pdf
    • https://cdn.shopify.com/s/files/1/0434/5046/6464/files/62316782435.pdf
    • https://cdn.shopify.com/s/files/1/0433/5127/7726/files/avengers_endgame_trailer_theme.pdf
    • https://cdn.shopify.com/s/files/1/0438/5354/5632/files/editable_business_model_canvas_template_word.pdf
    • https://cdn.shopify.com/s/files/1/0463/0478/8642/files/rizofev.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/famulogux.pdf
    • https://cdn.shopify.com/s/files/1/0430/7140/6241/files/99873705644.pdf
    • https://static.usrfiles.com/ugd/e3c460_e33f7ac9351244768c5e2a20cc4e9e30.pdf
    • https://static.usrfiles.com/ugd/bd5c68_ea57b4ca46b344f7b015df5e5a626f34.pdf
    • https://static.usrfiles.com/ugd/4d935e_ee6fc9e3cf9d4357bc40211650384c7a.pdf
    • https://static.usrfiles.com/ugd/b8c837_0792b88f3e704728b07e4b0b60683034.pdf
    • https://static.usrfiles.com/ugd/74e905_bff4d7d899be497bab1d5f1887b7591c.pdf
    • https://static.usrfiles.com/ugd/b8c837_6c4be4313a44495b99655cff6b94bfca.pdf
    • https://static.usrfiles.com/ugd/b8c837_fb081d87cd404d79988cd52e389d41e2.pdf
    • https://static.usrfiles.com/ugd/b8c837_fc9fbe74a5f4431db8ba452051342171.pdf
    • https://static.usrfiles.com/ugd/5fd5c1_59a439cd2dc54ec1a493d8031dbd246d.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_off00006b70.bin
6babd6e93d4afcb8ca6b830162f91ac0bdee807e3a5f6203276a6657ac33249a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B70 4912 bytes
font_01_sfnt_off00007c01.bin
c0b1df6b9badb4d9cf049dffa4524556b3741c373ef3b919bc59d34f438199d6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C01 10492 bytes

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