Malicious PDF — malware analysis report

Static analysis result for SHA-256 324b67fcfa0a97ab…

MALICIOUS

PDF

64.2 KB Created: 2020-09-17 14:06:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f186bba1e2e12c234de38bb3887c7abc SHA-1: b97405783f31a530922ff3dd2722496adc18ef73 SHA-256: 324b67fcfa0a97ab957f2f6740ec6f8aaadb85ea45f66e67f781fec21c0bf50a
162 Risk Score

Malware Insights

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

The PDF document contains a lure for an advance-fee scam, directing users to click on a link that leads to a redirector. The redirector then points to a large number of other PDF documents, likely to inflate search engine rankings or distribute further malicious content. The primary malicious URL identified is https://ttraff.link/wix?keyword=the+awesome+game+of+meme+instructions.

Heuristics 4

  • 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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.link/wix?keyword=the+awesome+game+of+meme+instructions
    • https://22da96e3-699b-4bc9-86e4-62d3fcc194d9.filesusr.com/ugd/2274a7_0eb054af0812489787d6e4c567352d23.pdf?index=true
    • https://c08d6bfc-c143-42c6-b349-acf3322e6da3.filesusr.com/ugd/aec2ea_8e9d22ae04c34968858b6d0b84952f40.pdf?index=true
    • https://f09c942c-df50-485e-af9e-7e2511a09ed6.filesusr.com/ugd/3ed902_d519895f0e654193889de36e7cb23eb0.pdf?index=true
    • https://a251dca6-d1ff-4021-811d-127316e0711a.filesusr.com/ugd/610d21_91ca048b762047c3930c14c4fb6dd06f.pdf?index=true
    • https://f7a4b184-70b3-49bc-9133-48cb699ab0c8.filesusr.com/ugd/b7ed05_e2b4e602e69641e0a101c9199a130996.pdf?index=true
    • https://28d2bf11-735a-4467-a790-bbc2726cab80.filesusr.com/ugd/8b4172_a9c20d9aa49741d6898d965f0a288f40.pdf?index=true
    • https://ca649e9b-106a-422b-9a6b-dcec75504689.filesusr.com/ugd/8b61cf_54b313f3b8b54c2e8b5c27f283bcec29.pdf?index=true
    • https://bcbd4c1e-ef5a-492e-8027-303b2ef1ca07.filesusr.com/ugd/76de1a_95b46bc1033c49199a24d2e21fe9fecd.pdf?index=true
    • https://a0845d7e-977a-4c67-86e5-d3dcd370345d.filesusr.com/ugd/ad8f3a_d09bc6c5ae0749b4ac98e2d53f4f8b03.pdf?index=true
    • https://4c1a27fb-6cc9-4a40-9507-9936acce418a.filesusr.com/ugd/a640e9_a8553ecaad0648d1ab5f928145e9e651.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0441/1172/4696/files/pauls_case_sparknotes_summary.pdf
    • https://cdn.shopify.com/s/files/1/0431/6705/6028/files/40027123011.pdf
    • https://cdn.shopify.com/s/files/1/0429/5829/1093/files/59542371241.pdf
    • https://cdn.shopify.com/s/files/1/0438/8651/0232/files/87106206084.pdf
    • https://cdn.shopify.com/s/files/1/0429/8981/3909/files/wotojakuxaboso.pdf
    • https://02994391-4047-4f10-b93f-7edb5d6e73d9.filesusr.com/ugd/37987b_8b3f4fa1b9db4c82a3458c613ed36cce.pdf?index=true
    • https://58f30cd6-dfdd-4ac5-a39d-b7377c728d47.filesusr.com/ugd/04e6f9_f5bce70a805b44e699c02b23350794dd.pdf?index=true
    • https://d135ff89-963c-414e-97ef-fcd125f7dae6.filesusr.com/ugd/57c819_9a88e550982c41559ef5430dfc952abe.pdf?index=true
    • https://3cb820f3-b160-440c-b4bd-6b30afdb4367.filesusr.com/ugd/1c8c1e_06134c4ba0bd4f8e8f30ef547f831afa.pdf?index=true
    • https://a4613dfd-a714-45ae-bb66-88423fef612b.filesusr.com/ugd/60933b_eaba927b7b2240c5a1fec028c3670912.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/
    • https://58f30cd6-dfdd-4ac5-a39d-b7377c728d47.filesusr.com/u

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b303.bin
4aba2bb845853324476be69e5ed1bf4ff35002942389efac2b843cac1129f0e9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB303 2828 bytes
font_01_sfnt_off0000bcfe.bin
1f183af676a6da375ef2ee35c2ba00c6eb592e1fbf38c21802f957dce72b88f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBCFE 5304 bytes
font_02_sfnt_off0000cef3.bin
c69ac58b8b760dcc4d997240c811c239f0330dfc139abdb6ad0ff799900aedef		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCEF3 9976 bytes

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