Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0a6e6fd3c2259d8…

MALICIOUS

PDF

41.3 KB Created: 2020-08-09 14:11:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 48adb3f7ecd88c96baddb08bb88cf959 SHA-1: 13835c720bfbd72d9a2bbfa028815028e18ebeec SHA-256: e0a6e6fd3c2259d8ed58899c790c0928f327b973c493b00b5e226e66d239a60d
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

This PDF document contains a large number of embedded links, many of which point to external PDF files hosted on various domains. One prominent link, 'https://ttraff.com/pify?keyword=10+benefits+of+reading+pdf', is identified as a malicious redirector. The document's structure suggests it is designed to act as a link farm, potentially leading users to malicious content or phishing sites through the redirector.

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=10+benefits+of+reading+pdf
    • http://files.uovooo.com/uploads/1/3/0/7/130739718/wububedolo.pdf
    • http://files.turquoisebalance.com/uploads/1/3/0/9/130969220/nimabufapafutuzevus.pdf
    • http://files.sweetnlowdachshund.com/uploads/1/3/1/4/131437444/5c4356755f0a.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kekesapenogetiru.pdf
    • https://cdn.shopify.com/s/files/1/0436/1378/2173/files/pieces_lyrics_and_chords.pdf
    • https://cdn.shopify.com/s/files/1/0429/6350/1222/files/48366365197.pdf
    • https://cdn.shopify.com/s/files/1/0429/6015/8873/files/sugar_beans_farming_in_zimbabwe.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/test_1879eb6a-339e-4d45-a409-571cd94a4742.pdf?v=1594212285
    • https://cdn.shopify.com/s/files/1/0433/4832/8603/files/kamawurimugimagadinowoxer.pdf
    • https://cdn.shopify.com/s/files/1/0435/8704/3496/files/gused.pdf
    • https://cdn.shopify.com/s/files/1/0437/0936/6427/files/estrategias_antienvejecimiento.pdf
    • https://cdn.shopify.com/s/files/1/0432/0693/4688/files/birudawawudofekoferiju.pdf
    • https://cdn.shopify.com/s/files/1/0439/2858/4347/files/6272170379.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_off000063e0.bin
b94a5d312f36263abaf7e16fe01b418ba444c431c0c5767566ad45ff2b5d9fa5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63E0 5416 bytes
font_01_sfnt_off00007657.bin
e511bc55194661c6699d29d868df07e1e0971e996d967ef6db701b198c87226e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7657 10088 bytes

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