Malicious PDF — malware analysis report

Static analysis result for SHA-256 fab6681cb906747d…

MALICIOUS

PDF

42.9 KB Created: 2020-08-14 00:25:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 89f5e929103e88d9807ca76874dc2707 SHA-1: 3450d7adb9fa26622c8382364b7378f6c1449829 SHA-256: fab6681cb906747d817ecef67c12e8c0430926464c4f5bdf1d5c999171a3f43f
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=aardvark+i2c+user+manual'. Additionally, it exhibits a PDF link farm behavior, with numerous embedded links to Shopify-hosted PDFs. The document body, though heavily obfuscated, contains references to these URLs, suggesting a lure to download further content or navigate to malicious sites. No scripts were extracted from this sample.

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=aardvark+i2c+user+manual
    • http://xarajuwe.gjonesgenealogy.com/uploads/1/3/0/8/130813840/102251.pdf
    • http://wulir.seattlevision.net/uploads/1/3/1/3/131381489/b67557dac82cee.pdf
    • http://junovifu.iwpakistan.com/uploads/1/3/0/7/130775380/f0989511aff.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80787326618.pdf
    • https://cdn.shopify.com/s/files/1/0437/7726/1729/files/farifukazon.pdf
    • https://cdn.shopify.com/s/files/1/0433/7690/2309/files/vixolevonofexip.pdf
    • https://cdn.shopify.com/s/files/1/0428/2961/1171/files/futazufupisigizev.pdf
    • https://cdn.shopify.com/s/files/1/0432/3803/1518/files/68019672642.pdf
    • https://cdn.shopify.com/s/files/1/0430/6305/0394/files/70311966232.pdf
    • https://cdn.shopify.com/s/files/1/0430/7812/3680/files/86622347137.pdf
    • https://cdn.shopify.com/s/files/1/0430/4112/8601/files/pdf_file_structure.pdf
    • https://cdn.shopify.com/s/files/1/0434/5511/9513/files/minecraft_faithful_resource_pack.pdf
    • https://cdn.shopify.com/s/files/1/0428/3580/4319/files/alvar_aalto_furniture_design.pdf
    • https://cdn.shopify.com/s/files/1/0437/6608/7838/files/management_accounting_tools_and_techniques.pdf
    • https://cdn.shopify.com/s/files/1/0431/0319/1193/files/barcarolle_tchaikovsky.pdf
    • https://cdn.shopify.com/s/files/1/0437/1437/9930/files/descargar_libro_caballo_de_troya_4_gratis.pdf
    • https://cdn.shopify.com/s/files/1/0434/7559/9524/files/gozojixirigarimewis.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_off00006a3e.bin
8f9723e5efd3a93fb42713e94f178192ba71e8ab03eae9322caea87716a06eb5
pdf-font-stream PDF embedded font (sfnt) at offset 0x6A3E 5332 bytes
font_01_sfnt_off00007c4b.bin
f6cc540b9c88694c55d21fd8cc2bd1b789377573e3eef57dcc6ba0c9812edf0c
pdf-font-stream PDF embedded font (sfnt) at offset 0x7C4B 10008 bytes