Malicious PDF — malware analysis report

Static analysis result for SHA-256 f741278d3b62f097…

MALICIOUS

PDF

42.9 KB Created: 2020-08-04 11:53:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4b8c7536152dbbf5e9dce0e336b7df7d SHA-1: 6f19a2ed79f3292c0ed98e9d188768a54b2184a4 SHA-256: f741278d3b62f097352facf14d8b6728c80316d459a9d8d552ba83dee0852629
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Addends T1059.001 PowerShell

The PDF contains a large number of embedded links, many of which point to a known malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, contains references to the redirector URL and other URLs hosted on Shopify. This suggests a link farm or SEO poisoning attack designed to redirect users to malicious content. 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.ru/pify?keyword=wied%25C5%25BAmin+3+bestiariusz+pdf
    • http://files.flytyingforcescustomtiedflies.com/uploads/1/3/1/1/131164351/bevijapunorewolopu.pdf
    • http://files.robertconroybooks.com/uploads/1/3/1/4/131453355/1d8cea3b59ca5.pdf
    • http://wovutuza.johnpconoverphotography.com/uploads/1/3/0/7/130739704/2a056d070b4d.pdf
    • https://cdn.shopify.com/s/files/1/0430/5285/9543/files/stool_preparation.pdf
    • https://cdn.shopify.com/s/files/1/0437/2247/3624/files/pdf_splitter_portable_apps.pdf
    • https://cdn.shopify.com/s/files/1/0435/3707/2280/files/36952560734.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dusegu.pdf
    • https://cdn.shopify.com/s/files/1/0432/1381/5966/files/42149196808.pdf
    • https://cdn.shopify.com/s/files/1/0431/6305/8340/files/pupilareripositude.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vuvitew.pdf
    • https://cdn.shopify.com/s/files/1/0434/3506/5505/files/star_wars_1080p_wallpaper.pdf
    • https://cdn.shopify.com/s/files/1/0434/4433/8838/files/pegerakoloburokij.pdf
    • https://cdn.shopify.com/s/files/1/0428/9236/1887/files/vajebusa.pdf
    • https://cdn.shopify.com/s/files/1/0440/8197/1365/files/vupemedafumavafetuwojem.pdf
    • https://cdn.shopify.com/s/files/1/0432/8344/7968/files/zojufeturuludirodaloroji.pdf
    • https://cdn.shopify.com/s/files/1/0429/5029/5708/files/everquest_titanium_edition.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/10542261424.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_off000064ad.bin
e12edb25687b741c1d82d12a4eb191b6c1b11332e53aa008c47480a3755b8810		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64AD 5592 bytes
font_01_sfnt_off000077a1.bin
ae5ee2c5f3b6a3fb82931341d8c964085f8ed729b3f3cb819ec61cf33819b7e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77A1 11584 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.