Malicious PDF — malware analysis report

Static analysis result for SHA-256 301694700dc13bfe…

MALICIOUS

PDF

38.8 KB Created: 2020-09-06 02:44:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 863537d90b090776dcc4d37ac1466e46 SHA-1: d36d2f9fef37b5e21c6e7bba76cd60f0e2bfd3d0 SHA-256: 301694700dc13bfe783acaa4e30b5ae185dbaeb9ee3277f6bde9a91e2c8e17f4
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one specifically leading to a redirector URL that is flagged as malicious. The document body text, though partially corrupted, contains the string 'Itunes 64 bit for free' and the malicious URL, suggesting a social engineering lure. The presence of a link farm heuristic further indicates an attempt to distribute malicious content.

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.club/wix?keyword=itunes+64+bit+for+free
    • https://cdn.shopify.com/s/files/1/0439/0905/4619/files/agility_ladder_drills_for_volleyball.pdf
    • https://cdn.shopify.com/s/files/1/0434/4099/6519/files/march_2018_calendar_kalnirnay_marathi.pdf
    • https://cdn.shopify.com/s/files/1/0427/5542/4423/files/analyzing_the_audience.pdf
    • https://static.usrfiles.com/ugd/73c254_7b87e6928a4a46d9961543724f46731a.pdf
    • https://static.usrfiles.com/ugd/0dd040_b8086aa5fef446519aedc44b9df6c371.pdf
    • https://cdn.shopify.com/s/files/1/0434/2287/5797/files/asynchronous_sequential_circuits_solved_problems.pdf
    • https://cdn.shopify.com/s/files/1/0433/8617/5651/files/43527974202.pdf
    • https://cdn.shopify.com/s/files/1/0435/7927/7467/files/pdf_xchange_editor_serial.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/livoxigugefeguvon.pdf
    • https://cdn.shopify.com/s/files/1/0432/0890/0772/files/9299679282.pdf
    • https://cdn.shopify.com/s/files/1/0427/6856/4380/files/switzerland_crs_reporting_countries.pdf
    • https://cdn.shopify.com/s/files/1/0430/2353/2195/files/blender_knife_project.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75901524911.pdf
    • https://cdn.shopify.com/s/files/1/0438/3526/1085/files/29582650870.pdf
    • https://cdn.shopify.com/s/files/1/0432/7777/9100/files/championship_manager_2010_pc.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_off00005e4a.bin
585ab836271cd208ca6f837eb106bd45977c2d844e6a38cc0254f9e93c9c083b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E4A 4840 bytes
font_01_sfnt_off00006ed2.bin
bb1d1c219d45965718673c30ed4b5c47138d8a44416698e97b65b93e8106e1f6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6ED2 9364 bytes

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