Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2b401901352ce1b…

MALICIOUS

PDF

46.9 KB Created: 2020-08-14 05:11:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fda5336f5fa695e6d516c3e5d4e60e4d SHA-1: 9a733cabaa24945687638bf52eb5a8e8d8c7d992 SHA-256: b2b401901352ce1bb237e123f2499905a26d6cbba8244d6f2abd9b9d602669e8
128 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many pointing to Shopify domains. The document body also contains the malicious URL and a call-to-action phrase, suggesting a lure to trick users into clicking the link, which likely leads to a malicious download or phishing page.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=in+case+of+emergency+card+template
    • http://files.houseofsephira.com/uploads/1/3/1/4/131483371/luwipo.pdf
    • http://files.futureomro.org/uploads/1/3/1/6/131607522/romuparedosum.pdf
    • http://tosavaret.harvardtravellersclub.org/uploads/1/3/1/3/131381533/mewaxefagolix.pdf
    • http://files.stronghandsenterprises.com/uploads/1/3/1/3/131382387/kufun_rejakudixi_xixidup.pdf
    • http://files.texascenterforregionalstudies.net/uploads/1/3/1/8/131856381/29afc.pdf
    • https://cdn.shopify.com/s/files/1/0432/3213/3278/files/narujofilefekegenumesikes.pdf
    • https://cdn.shopify.com/s/files/1/0433/5733/9799/files/lumobovopijakuduz.pdf
    • https://cdn.shopify.com/s/files/1/0431/3301/0082/files/john_deere_410_backhoe.pdf
    • https://cdn.shopify.com/s/files/1/0435/2537/4103/files/86972934997.pdf
    • https://cdn.shopify.com/s/files/1/0431/9051/7917/files/97753201674.pdf
    • https://cdn.shopify.com/s/files/1/0432/9806/2501/files/67438373648.pdf
    • https://cdn.shopify.com/s/files/1/0436/9124/5733/files/14448279361.pdf
    • https://cdn.shopify.com/s/files/1/0437/1464/2074/files/zelda_ocarina_of_time_game_guide.pdf
    • https://cdn.shopify.com/s/files/1/0430/2520/3354/files/poworoliregabolovewu.pdf
    • https://cdn.shopify.com/s/files/1/0431/2026/3322/files/19165456633.pdf
    • https://cdn.shopify.com/s/files/1/0440/8272/5029/files/xutiziduduxibolija.pdf
    • https://cdn.shopify.com/s/files/1/0431/5699/6247/files/tofekugimizubaboj.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_off00007938.bin
4bf4b6173c49dc32e322ccccb498a6a5c0758ae5c74af190b1adc2f250621b45
pdf-font-stream PDF embedded font (sfnt) at offset 0x7938 5512 bytes
font_01_sfnt_off00008bd9.bin
79e89f7e859073fb17bcec6ac53515f989e4f7c0c1f0e5296060e9e177d55647
pdf-font-stream PDF embedded font (sfnt) at offset 0x8BD9 10224 bytes