Malicious PDF — malware analysis report

Static analysis result for SHA-256 4ee7f2bef2afa00e…

MALICIOUS

PDF

38.5 KB Created: 2020-07-31 19:00:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7a740412ed8c5fe2caf5b6593c8fe12f SHA-1: deaafe2a67a0faedc31bd82c641d4471d926d5b0 SHA-256: 4ee7f2bef2afa00e7c21b77a5b0fdc40c5aa8cd11d5eef7e18003906859f02a7
120 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with a critical heuristic firing for a malicious redirector link to 'ttraff.com'. The document body, though partially corrupted, contains the text 'Area de un triangulo' and the malicious URL, suggesting a lure to a phishing or scam page. The presence of numerous shopify.com links indicates a large-scale, potentially automated, content generation effort for SEO manipulation or traffic redirection.

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=area+de+un+triangulo
    • http://files.4hisbeloved.org/uploads/1/3/0/7/130739043/jigile_lusije_vomate.pdf
    • http://files.lambdachibu.org/uploads/1/3/0/7/130738875/5634968.pdf
    • http://files.coalitionoffamilies.org/uploads/1/3/2/6/132682171/lexalofanas.pdf
    • http://files.rmvwilliams.com/uploads/1/3/1/8/131856285/mudosese.pdf
    • https://cdn.shopify.com/s/files/1/0432/4560/0936/files/88296958757.pdf
    • https://cdn.shopify.com/s/files/1/0431/4329/9232/files/menomadolijidiwujose.pdf
    • https://cdn.shopify.com/s/files/1/0437/7188/7767/files/wifinefokidugido.pdf
    • https://cdn.shopify.com/s/files/1/0437/2214/5943/files/rilujasusadirigo.pdf
    • https://cdn.shopify.com/s/files/1/0432/8911/6836/files/mogisojixan.pdf
    • https://cdn.shopify.com/s/files/1/0436/1761/6034/files/31100367415.pdf
    • https://cdn.shopify.com/s/files/1/0430/8749/5322/files/fuputexubatawi.pdf
    • https://cdn.shopify.com/s/files/1/0432/1627/3563/files/16563895487.pdf
    • https://cdn.shopify.com/s/files/1/0433/0258/4480/files/63775820814.pdf
    • https://cdn.shopify.com/s/files/1/0431/4916/4693/files/wetelig.pdf
    • https://cdn.shopify.com/s/files/1/0435/4814/7867/files/75779585932.pdf
    • https://cdn.shopify.com/s/files/1/0434/4964/7271/files/5524987692.pdf
    • https://cdn.shopify.com/s/files/1/0430/8729/8714/files/juralotabedeveweburopi.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_off000057f3.bin
24e8e35a8fe408032e436132ea90f32d83e9038e2c1e082cfbc3cabebf3e100f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57F3 4804 bytes
font_01_sfnt_off00006857.bin
286907f9819c360955e24208c825fc25f40c1fbb10aa219762160d823b21290d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6857 10964 bytes

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