Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5b1e299a1ea5a48…

MALICIOUS

PDF

59.6 KB Created: 2020-08-21 07:12:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6eb4a8913a1286b3e3154af8dce8b7e1 SHA-1: 50716a138fa518519791d8253f65d0ea8fb916ea SHA-256: e5b1e299a1ea5a4817d95915c4fa32e85b5ad0d6b3ace60be982d1f623c9a5c1
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF SEO link farm, embedding numerous links to other PDFs hosted on Shopify. The document body, though heavily obfuscated, contains the malicious URL, suggesting an attempt to lure users to malicious infrastructure. No scripts were extracted, limiting the analysis of direct payload execution.

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/pify?keyword=lagu+berry+good+oh+oh+ilkpop
    • http://rinaji.travelblogonline.com/uploads/1/3/1/4/131408899/rofuwuribi.pdf
    • https://cdn.shopify.com/s/files/1/0428/9419/6902/files/hoover_manuals.pdf
    • https://cdn.shopify.com/s/files/1/0437/1100/4821/files/car_salesman_resume.pdf
    • https://cdn.shopify.com/s/files/1/0429/0212/6751/files/fubupaditotofoxuveki.pdf
    • https://cdn.shopify.com/s/files/1/0429/6186/2810/files/tic_tac_toe_javafx.pdf
    • https://cdn.shopify.com/s/files/1/0429/2709/5967/files/sezimeli.pdf
    • https://cdn.shopify.com/s/files/1/0427/4146/5244/files/anandamath_in_bengali.pdf
    • https://cdn.shopify.com/s/files/1/0429/2263/9527/files/gixatexupaxexotasutit.pdf
    • https://cdn.shopify.com/s/files/1/0438/8575/6568/files/defimefof.pdf
    • https://cdn.shopify.com/s/files/1/0430/8526/7097/files/9527988354.pdf
    • https://cdn.shopify.com/s/files/1/0432/9422/8630/files/25558363493.pdf
    • https://cdn.shopify.com/s/files/1/0433/9220/4950/files/72845267176.pdf
    • https://cdn.shopify.com/s/files/1/0438/0963/6512/files/personal_assistant_cv_template.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000071e5.bin
5afefb436fd9646a94cc0fbfc6c242ad8ca19f1aff715baa30d65aee15578020		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71E5 15468 bytes
font_01_sfnt_off0000a14a.bin
f20647bcf32f4c4d4ed31271fe81f90276357c07c8950abe29660ae8587fc02a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA14A 5292 bytes
font_02_sfnt_off0000b342.bin
a28b8360890a7e2ed0ab37eab2c638b73354613802a6556e18aaab5ebbf566ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB342 14620 bytes

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