Malicious PDF — malware analysis report

Static analysis result for SHA-256 336282e5db69f8df…

MALICIOUS

PDF

163.3 KB Created: 2020-08-14 16:50:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a9595089327b72fe1cd0520a0d72f503 SHA-1: 2927ef75c4a37d9c093250a400d482ea61058b4d SHA-256: 336282e5db69f8df44b83579802e73448c749ac8638ac87842976d724a555ee6
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains a URL that appears to be the same malicious redirector. This indicates the document's primary purpose is to trick users into visiting a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 2

  • 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.
  • 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=android+sdk+manager++for+windows+10 In PDF document text
    • http://saduvof.maryedson.com/uploads/1/3/1/4/131406082/taxesigiw.pdfIn PDF document text
    • http://vozejij.thembekhumalo.com/uploads/1/3/0/7/130738909/bifugufol.pdfIn PDF document text
    • http://files.green-graphene.com/uploads/1/3/1/8/131856188/a185e5cb0ec508c.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8992/9116/files/lobezalexopaxireva.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2890/4093/files/49307032868.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3420/4568/files/35594114069.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9684/2142/files/vedarudevon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/5705/7685/files/37191977191.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0469/0581/files/financial_and_managerial_accounting_16th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1361/1413/files/24628749163.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6237/0210/files/84873408505.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8605/2518/files/18047993481.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7423/8102/files/zujema.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pujar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8148/2919/files/33182799375.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024a6a.bin
aed7afd61a989ef30d664b4fa2ebc342b189fd0045dab899ce20b1cde48b089e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24A6A 5532 bytes
font_01_sfnt_off00025d3a.bin
e9a706b86776be319505801024c1d5fd736ae634cd5a38679ae48f23f6cb8fb8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25D3A 9980 bytes

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