Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ee8a77688a6db2b…

MALICIOUS

PDF

40.0 KB Created: 2020-08-02 04:50:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5fe9ddb67eba60d7427d2b5e8dce5f09 SHA-1: eaaf6e0460ba328268aefe9eed432bf08ddd4282 SHA-256: 1ee8a77688a6db2bb1ff38b88489476bdf07b59dae401dbed0b2bf431665f538
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=d3+table+example'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, with the primary one also leading to a Shopify domain. The document body, though heavily obfuscated, contains the text 'D3 table example' and the malicious URL, suggesting a lure to a malicious site.

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=d3+table+example
    • http://files.therockprefabgranite.com/uploads/1/3/1/4/131453588/e406facb99f6.pdf
    • http://files.coldwatersoapco.com/uploads/1/3/2/7/132740214/gefizupa.pdf
    • http://files.visualgoo.com/uploads/1/3/1/3/131398598/xedezelogus.pdf
    • http://files.zhuomengting.com/uploads/1/3/1/4/131406390/siniresizulanul_ruxixiwaduzun_kesogasi_wunoxadax.pdf
    • https://cdn.shopify.com/s/files/1/0432/3999/7595/files/11237123495.pdf
    • https://cdn.shopify.com/s/files/1/0435/3975/9255/files/nuwave_pro_plus_manual.pdf
    • https://cdn.shopify.com/s/files/1/0437/0730/2037/files/87287787815.pdf
    • https://cdn.shopify.com/s/files/1/0435/9087/7339/files/60344386679.pdf
    • https://cdn.shopify.com/s/files/1/0429/6110/9155/files/roxalavavir.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/8833338052.pdf
    • https://cdn.shopify.com/s/files/1/0431/6486/0575/files/2441523823.pdf
    • https://cdn.shopify.com/s/files/1/0429/9295/9642/files/78918436103.pdf
    • https://cdn.shopify.com/s/files/1/0432/3367/3380/files/nomijuxonusonukoguwonuxix.pdf
    • https://cdn.shopify.com/s/files/1/0429/1634/8057/files/8330863803.pdf
    • https://cdn.shopify.com/s/files/1/0427/7341/4055/files/31193951835.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_off000057e0.bin
af2ef34dce0f33f16cb808b8cbd4fdcb16db66418a7506e58a974e201a2c7481		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57E0 5060 bytes
font_01_sfnt_off00006914.bin
b97dd2fb10c9aa5b7afe239087b3c438739a7ec4610422168ff52cd6bb149272		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6914 13372 bytes

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