Malicious PDF — malware analysis report

Static analysis result for SHA-256 48666e24e7a19221…

MALICIOUS

PDF

50.8 KB Created: 2020-09-17 00:46:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fee5d15642fcfbe2ae2fa63729433374 SHA-1: 791a4be762842a2e1400afa398a9096084cd137b SHA-256: 48666e24e7a192213b2ec9fca0c0f71d88fd94a0ee578ff1d86edc46be06540a
120 Risk Score

Malware Insights

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

This PDF document contains a mass of external links, many of which are generated for SEO purposes. One prominent link, 'https://ttraff.me/wix?keyword=what+is+the+plague+doctor+scp+number', is identified as a malicious redirector. The document body, though partially corrupted, also contains this URL, suggesting the primary intent is to redirect the user to malicious infrastructure. 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.me/wix?keyword=what+is+the+plague+doctor+scp+number
    • https://e36967bd-835d-49fc-9fe0-a9a20fb64cfe.filesusr.com/ugd/fe83c3_2ea7590d666446a3b57e798269bbde75.pdf?index=true
    • https://0d9a6e39-6047-46a7-9d76-13e11a195240.filesusr.com/ugd/3bcfef_2f9bb1a8bbe64248a1f53e0707044788.pdf?index=true
    • https://d4b4a664-a029-4ea2-b58d-ec0fc092c9c2.filesusr.com/ugd/296484_1559a695ea5a4fd0a774537bc924d5b9.pdf?index=true
    • https://fcf48d38-a2ce-4686-b7cf-c11ff4675001.filesusr.com/ugd/b58d21_8af8b18f404141908a0eb8a2502db9c4.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0430/6678/5949/files/rajeselorelidalowuzig.pdf
    • https://cdn.shopify.com/s/files/1/0430/9952/1178/files/lr_baggs_anthem_guide.pdf
    • https://cdn.shopify.com/s/files/1/0433/2286/7880/files/59327307759.pdf
    • https://cdn.shopify.com/s/files/1/0433/9302/4151/files/69825434867.pdf
    • https://cdn.shopify.com/s/files/1/0431/9812/0094/files/72355848336.pdf
    • https://cdn.shopify.com/s/files/1/0435/5286/6463/files/wogubosa.pdf
    • https://cdn.shopify.com/s/files/1/0432/0673/8079/files/halving_odd_and_even_numbers_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mutiga.pdf
    • https://cdn.shopify.com/s/files/1/0433/0127/3758/files/7400051253.pdf
    • https://cdn.shopify.com/s/files/1/0433/1008/8357/files/44679290537.pdf
    • https://cdn.shopify.com/s/files/1/0440/1571/4469/files/27381706573.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_off00008854.bin
7178c31c73853502d8a512071f2559e1f375c5a36e5f790b34daec8ba33864e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8854 5640 bytes
font_01_sfnt_off00009b5f.bin
dee9960e627f6f7682cd091c2ca8d143067c09acd1d149b2055958210334824f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9B5F 10288 bytes

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