Malicious PDF — malware analysis report

Static analysis result for SHA-256 8fc121879f855717…

MALICIOUS

PDF

42.1 KB Created: 2020-08-18 21:54:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 94b45ca503625f7a8165e65b579e7796 SHA-1: c81f1bc406bb0985b5a2251f22a820036e70468b SHA-256: 8fc121879f855717e3a2b316ea9ee4d68d52c49cdfc290afb519d0a7d4a8698c
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com', which is used in conjunction with a lure about 'Australian visa types pdf'. The document also contains a large number of embedded links, many pointing to Shopify domains, suggesting a link farm or redirection strategy. The primary malicious URL is 'https://ttraff.com/pify?keyword=australian+visa+types+pdf', which likely leads to a phishing or scam page.

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=australian+visa+types+pdf
    • http://nemurite.tavernegoudenpunt.be/uploads/1/3/1/3/131398406/rokolevija-kudevekip.pdf
    • http://files.bowen4life.com/uploads/1/3/2/6/132681308/novuro-fosuf-vezutilevuzal.pdf
    • http://limida.jeanettecollinshighdesertart.com/uploads/1/3/1/8/131856877/fevizilalag.pdf
    • http://ponijawa.azaleaandrosebudknits.com/uploads/1/3/0/9/130969054/wiwenovutoxovoma.pdf
    • https://cdn.shopify.com/s/files/1/0430/3765/5191/files/7148110573.pdf
    • https://cdn.shopify.com/s/files/1/0434/8297/2326/files/85983430375.pdf
    • https://cdn.shopify.com/s/files/1/0445/9141/5460/files/3693301211.pdf
    • https://cdn.shopify.com/s/files/1/0434/8605/2504/files/gupukekajewixazisagepimu.pdf
    • https://cdn.shopify.com/s/files/1/0431/9834/9471/files/16952745741.pdf
    • https://cdn.shopify.com/s/files/1/0435/3120/6808/files/29436367251.pdf
    • https://cdn.shopify.com/s/files/1/0435/6263/1326/files/dieta_cetogenica_menu_50_dias.pdf
    • https://cdn.shopify.com/s/files/1/0429/5360/5273/files/44243643579.pdf
    • https://cdn.shopify.com/s/files/1/0431/3264/9636/files/51360526376.pdf
    • https://cdn.shopify.com/s/files/1/0432/3193/6674/files/vazowaxununokedileroxif.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vukabisozudetilo.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_off0000652e.bin
5201008988465f7552b981b7e62210b0f7c4d75f533dc77b33e5e4c04a8d9f4d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x652E 5184 bytes
font_01_sfnt_off000076f0.bin
492350439b14c68c1f8f5f3503f861f2f6cf26ab38d1922aff9d6cc5289211e9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x76F0 10924 bytes

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