Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa383fb8d8f869e2…

MALICIOUS

PDF

54.7 KB Created: 2020-08-04 14:45:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 833a5b2138a1f416496dcba25df27b84 SHA-1: 153e336963e29c18696372ad96ca64b3d17ee9ac SHA-256: aa383fb8d8f869e205e049e2263b76deb65ac6960e21821e66bf9a6b917cc3f7
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The document body, though partially corrupted, includes a URL that is also flagged as a malicious redirector. This suggests the primary intent is to redirect the user to a malicious site, likely for further exploitation or phishing. The presence of numerous links, many hosted on Shopify, indicates a link farm strategy to obscure the final malicious destination.

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.cc/pify?keyword=3.+4+cambio+clim%25C3%25A1tico+global+causas+y+consecuencias+pdf
    • http://files.indytimes.us/uploads/1/3/0/7/130739132/30831f96f0b06.pdf
    • http://files.westernmontanafurcenter.com/uploads/1/3/2/7/132740586/kipelokudebug.pdf
    • http://files.kirstenantony.com/uploads/1/3/2/6/132695454/4324935.pdf
    • http://files.riveroflifemedical.org/uploads/1/3/0/8/130874599/fuwitiziliri.pdf
    • http://files.k16synthetics.com/uploads/1/3/0/9/130969151/9596281.pdf
    • https://cdn.shopify.com/s/files/1/0431/4788/6743/files/zesadex.pdf
    • https://cdn.shopify.com/s/files/1/0430/8942/8637/files/miwavewogonetufi.pdf
    • https://cdn.shopify.com/s/files/1/0433/5111/3883/files/10134253792.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65028435792.pdf
    • https://cdn.shopify.com/s/files/1/0429/2853/7753/files/68063151510.pdf
    • https://cdn.shopify.com/s/files/1/0433/9977/4364/files/metarhizium_anisopliae_control_biologico.pdf
    • https://cdn.shopify.com/s/files/1/0433/8342/3128/files/tigirum.pdf
    • https://cdn.shopify.com/s/files/1/0433/5117/9416/files/30788189074.pdf
    • https://cdn.shopify.com/s/files/1/0435/8003/1135/files/27960006083.pdf
    • https://cdn.shopify.com/s/files/1/0433/2060/6885/files/ruvar.pdf
    • https://cdn.shopify.com/s/files/1/0430/8582/4164/files/lefebesi.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bizisumexu.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_off00008a06.bin
0810ab182c16c3491f8f72667ff926a3b78612d34b0b0a35386c4cc14b11d89c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8A06 6044 bytes
font_01_sfnt_off00009e10.bin
a1d2dda61d7bec18ac999c37daec39972a9c58d124ce127d43c2dd0419d0e8e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9E10 14708 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.