Malicious PDF — malware analysis report

Static analysis result for SHA-256 8062db4b39f9c0ce…

MALICIOUS

PDF

101.6 KB Created: 2020-10-23 22:23:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ddac9d7f266fb28f0d5eb2dee8e5788a SHA-1: 26b953c4f83e0f5c7cbee01814c680af9a5a6546 SHA-256: 8062db4b39f9c0cef3338a11c52cbef724829f3f0244df0628e07995e9c9c8e4
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded links, many of which point to link farms and redirector infrastructure, indicating a phishing or malicious content distribution attempt. The document body, though heavily obfuscated, contains a URL that appears to be part of a lure to direct users to malicious content. The presence of embedded URLs and the PDF structure strongly suggest an attempt to redirect users to malicious sites, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9846

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://ggtraff.ru/aws?keyword=c+g+jung+books+pdf
    • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/lixavej_rivutavipulox_vunezikavad_lirumonoguwako.pdf
    • https://bubiwodepu.weebly.com/uploads/1/3/2/8/132815961/7135c8b.pdf
    • https://boguvetasitob.weebly.com/uploads/1/3/1/3/131380850/5100849.pdf
    • https://cdn-cms.f-static.net/uploads/4373999/normal_5f8bc601099b7.pdf
    • https://cdn-cms.f-static.net/uploads/4366969/normal_5f872b064dcff.pdf
    • https://cdn-cms.f-static.net/uploads/4365642/normal_5f875a59b162c.pdf
    • https://cdn-cms.f-static.net/uploads/4366048/normal_5f8717b03bdd6.pdf
    • https://cdn-cms.f-static.net/uploads/4368972/normal_5f8ca9b37346c.pdf
    • https://cdn-cms.f-static.net/uploads/4380867/normal_5f9159e977699.pdf
    • https://cdn-cms.f-static.net/uploads/4374953/normal_5f8bb3fcaead8.pdf
    • https://cdn-cms.f-static.net/uploads/4386089/normal_5f912e779233e.pdf
    • https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/4630030.pdf
    • https://pesajupamobe.weebly.com/uploads/1/3/1/6/131607203/darotudoluxukefu.pdf
    • https://rabifupokuwu.weebly.com/uploads/1/3/1/1/131164250/2499678.pdf
    • https://bavejojonosepes.weebly.com/uploads/1/3/1/3/131380601/7166188.pdf
    • https://cdn.shopify.com/s/files/1/0499/2463/6823/files/medicine_names_and_uses_in_gujarati.pdf
    • https://cdn.shopify.com/s/files/1/0492/2274/6263/files/send_files_from_ios_to_android_bluetooth.pdf
    • https://cdn.shopify.com/s/files/1/0479/6694/5447/files/62381949740.pdf
    • https://s3.amazonaws.com/didowugorokirug/3103530862.pdf
    • https://s3.amazonaws.com/damerirazib/vitaxelekalejafibo.pdf
    • https://s3.amazonaws.com/tizowodifi/jspdf_autotable_line_break_not_working.pdf
    • https://s3.amazonaws.com/sugaguxagu/analise_de_dados_quantitativos.pdf

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