Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b426d3cede78366…

MALICIOUS

PDF

58.7 KB Created: 2020-08-11 16:27:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8078e56e6c093a458fdaa78142bd6283 SHA-1: f6df48c3b8d02c57bf679559a7af54ad394c8bfb SHA-256: 2b426d3cede783665bbf28ef1fbe915f125332719dc8b318a9cd30e6a150fbcf
120 Risk Score

Malware Insights

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

The PDF file contains a link farm designed to mimic search results, specifically for 'lok sabha election result 2020 state wise pdf'. The primary embedded URL, https://ttraff.ru/pify?keyword=lok+sabha+election+result+2020+state+wise+pdf, is identified as a malicious redirector. This suggests the document's purpose is to trick users into clicking the link, leading them to malicious infrastructure, likely for further exploitation or credential harvesting.

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.ru/pify?keyword=lok+sabha+election+result+2020+state+wise+pdf
    • http://files.reikifortheplanet.com/uploads/1/3/2/3/132302815/5645773.pdf
    • http://files.williamkurtzphoto.com/uploads/1/3/2/6/132696174/xulipusifa.pdf
    • http://files.sunshinecharities.com/uploads/1/3/1/0/131070457/10820.pdf
    • https://cdn.shopify.com/s/files/1/0430/3159/3113/files/85448301149.pdf
    • https://cdn.shopify.com/s/files/1/0429/1582/3772/files/59878238317.pdf
    • https://cdn.shopify.com/s/files/1/0427/8625/9100/files/nujos.pdf
    • https://cdn.shopify.com/s/files/1/0435/7252/7267/files/57783696685.pdf
    • https://cdn.shopify.com/s/files/1/0434/5351/3880/files/psp_games_download.pdf
    • https://cdn.shopify.com/s/files/1/0431/7259/3820/files/2376632705.pdf
    • https://cdn.shopify.com/s/files/1/0434/8697/0021/files/73865778715.pdf
    • https://cdn.shopify.com/s/files/1/0430/0416/6297/files/77958175304.pdf
    • https://cdn.shopify.com/s/files/1/0436/5962/4606/files/rscit_registration_form.pdf
    • https://cdn.shopify.com/s/files/1/0428/1755/2543/files/caracteristicas_psicologicas_del_ser_humano.pdf
    • https://cdn.shopify.com/s/files/1/0429/6926/8373/files/87263822977.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_off0000a867.bin
3f797518e7d4c576a637d8597a66303bb5cfcbab4945a0c8d2e7aa265a22b116		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA867 5756 bytes
font_01_sfnt_off0000bbf9.bin
101aff76ea95612d16c47043dba5ecf71b2ae910852511ccfb3432b1295cfac8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBBF9 9816 bytes

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