Malicious PDF — malware analysis report

Static analysis result for SHA-256 ecb4724a3d3318b5…

MALICIOUS

PDF

45.6 KB Created: 2020-08-13 22:21:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5a5cd7f7024b1e34ea8823eeed4ea8f4 SHA-1: c81c3e7ae948064d5125ddd1cb45aaa64e03d94a SHA-256: ecb4724a3d3318b52fc5db5703c2327da281bbea8f38ae8b882756628360fe92
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=world+cup+2019+match+date+sheet'. This URL is embedded within the document body, suggesting a social engineering attempt to trick the user into visiting a malicious site. The presence of a link farm heuristic further indicates a pattern of distributing links, likely for malicious purposes.

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=world+cup+2019+match+date+sheet
    • http://files.windcatcherjewelry.com/uploads/1/3/1/0/131070398/dovewi.pdf
    • http://files.wapasbeautysalon.com/uploads/1/3/1/4/131406505/pojawej.pdf
    • http://files.onbeyondz.net/uploads/1/3/1/4/131406885/zoruputevilusinodaxi.pdf
    • http://files.chemungstormwaterprojects.com/uploads/1/3/0/7/130738568/riratepitavexavid.pdf
    • https://cdn.shopify.com/s/files/1/0438/4430/5061/files/tuboludaxubikade.pdf
    • https://cdn.shopify.com/s/files/1/0436/7171/5993/files/uae_competition_law.pdf
    • https://cdn.shopify.com/s/files/1/0432/6513/0658/files/easy_campfire_guitar_songs.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bekikelazipilexujewa.pdf
    • https://cdn.shopify.com/s/files/1/0430/1009/7313/files/91069333400.pdf
    • https://cdn.shopify.com/s/files/1/0435/8632/2600/files/wavunimiz.pdf
    • https://cdn.shopify.com/s/files/1/0434/0305/1175/files/electrical_estimation_and_costing_vtu_notes.pdf
    • https://cdn.shopify.com/s/files/1/0434/5567/6568/files/17876052412.pdf
    • https://cdn.shopify.com/s/files/1/0437/8660/0609/files/21497585934.pdf
    • https://cdn.shopify.com/s/files/1/0435/4765/6351/files/pujizozesojexumasezurume.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/
    • https://cdn.shopify.com/s/files/1/0435/8632

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005c9e.bin
368ce9f0119b36404b403867f8b2426cff153f8ed7217dba73c711f213a40502		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C9E 5536 bytes
font_01_sfnt_off00006f86.bin
2e6274be818e7a6f2438f716a73248a79ccca98af1a189719791ca6268d27106		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F86 14084 bytes
font_02_sfnt_off00009b1e.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9B1E 4324 bytes

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