Malicious PDF — malware analysis report

Static analysis result for SHA-256 a7c1513692cf7167…

MALICIOUS

PDF

42.5 KB Created: 2020-08-26 17:46:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7c9deb062c69bbb5f8f1f4797962e160 SHA-1: 563098d413b3002906875ea04e9ca330589f0611 SHA-256: a7c1513692cf7167faa9ede2f959d1a0c47ee1876bae6a6c055019b5c12429a0
120 Risk Score

Malware Insights

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

The PDF file contains a mass of external links, including a critical link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.link/pify?keyword=tomb+raider+weapon+parts', suggesting a lure to a malicious site. The presence of numerous PDF links, many hosted on Shopify, indicates a link farm strategy. No scripts were extracted, but the PDF structure and embedded links strongly suggest a phishing or redirection attack.

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.link/pify?keyword=tomb+raider+weapon+parts
    • http://files.landslidetechnology.com/uploads/1/3/1/3/131398547/8d2901.pdf
    • http://movusaziv.tornadoalleychasing.com/uploads/1/3/0/7/130739113/mafenatigo-rojupuk.pdf
    • http://fegusolus.weirfarmartalliance.org/uploads/1/3/1/4/131483254/ranudevebuvaji_votajudevegoneg.pdf
    • http://pabemun.stephcharaska.com/uploads/1/3/1/3/131379678/bejitip-xapagat-pededabegi.pdf
    • https://cdn.shopify.com/s/files/1/0432/3105/1943/files/color_code_for_white.pdf
    • https://cdn.shopify.com/s/files/1/0427/9776/0668/files/24855553582.pdf
    • https://cdn.shopify.com/s/files/1/0437/1762/3957/files/jazoref.pdf
    • https://cdn.shopify.com/s/files/1/0432/2436/7266/files/72340659421.pdf
    • https://cdn.shopify.com/s/files/1/0430/2385/9873/files/liroleturuwuxizerewag.pdf
    • https://cdn.shopify.com/s/files/1/0428/8049/9879/files/how_to_calculate_annualized_performance_in_excel.pdf
    • https://cdn.shopify.com/s/files/1/0433/8289/8840/files/remejutosatapotobiravu.pdf
    • https://cdn.shopify.com/s/files/1/0428/4229/2390/files/english_worksheet_for_ukg_students.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_off000060fc.bin
70ca04df040207e87fbfa4b5f31a810b20f2d2ac35027c00b92ad1849bee5d51		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60FC 5256 bytes
font_01_sfnt_off000072cb.bin
c998c5e98181c3e330ef722548ce2f101ef939d0f9d052ba192ef580b2818fbe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72CB 13720 bytes

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