Malicious PDF — malware analysis report

Static analysis result for SHA-256 94ca7654716764e7…

MALICIOUS

PDF

33.6 KB Created: 2020-10-17 23:12:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 83b60db07e416d2061a85daa57309089 SHA-1: 129a6824c47d6544097312431ca0cf1d201ee548 SHA-256: 94ca7654716764e7e67e2fd5c7be730c6404c690b0845acf9eb739e13f34f0df
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links, with one identified as a known malicious redirector. The document body, though heavily obfuscated, contains the same URL found in the heuristics, suggesting an attempt to lure users to malicious infrastructure. The presence of numerous other PDF links points to a link farm strategy, likely for SEO manipulation or broader distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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://gettraff.ru/strik?keyword=1.1.1+metas+y+factores+competitivos
    • https://xivenisulebitok.weebly.com/uploads/1/3/1/3/131378814/manaxuvujir.pdf
    • https://wefamojugibe.weebly.com/uploads/1/3/1/1/131164519/nokatifufatimimemuj.pdf
    • https://vunixumo.weebly.com/uploads/1/3/1/4/131453253/1595015.pdf
    • https://jimigafekalese.weebly.com/uploads/1/3/1/4/131407537/gigafipamitikuven.pdf
    • https://cdn-cms.f-static.net/uploads/4368471/normal_5f899e164ccf5.pdf
    • https://cdn-cms.f-static.net/uploads/4366661/normal_5f871c0e8fd8f.pdf
    • https://cdn-cms.f-static.net/uploads/4365998/normal_5f87f5837e9a9.pdf
    • https://xebikazogede.weebly.com/uploads/1/3/2/7/132740990/05d8e0.pdf
    • https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/sefaritonos-nukivafeka-retisebop-regaxumex.pdf
    • https://mabanopovofed.weebly.com/uploads/1/3/1/4/131453130/rowugo.pdf
    • https://tejigenunonim.weebly.com/uploads/1/3/0/8/130813632/suxelujaxosi.pdf
    • https://uploads.strikinglycdn.com/files/424292dc-fc2d-4c0e-adee-921f4d7848ae/luruvefojojaf.pdf
    • https://uploads.strikinglycdn.com/files/0ea8f434-0b55-40b3-96c4-5e900ec83042/pizelopubel.pdf
    • https://uploads.strikinglycdn.com/files/4b8cdd8e-d7fe-4988-bec2-099a16b8363f/95638031374.pdf
    • https://uploads.strikinglycdn.com/files/48c365c5-ab02-4e03-a6e8-de513b238aca/sagabiseruwamu.pdf
    • https://uploads.strikinglycdn.com/files/f485093e-1a2e-471d-905d-aff9875b7c1a/11538847668.pdf
    • https://cdn.shopify.com/s/files/1/0432/0090/5380/files/97782036161.pdf
    • https://cdn.shopify.com/s/files/1/0486/0444/6878/files/jobebatuwogedugizavosaf.pdf
    • https://cdn.shopify.com/s/files/1/0503/0005/9833/files/pdf_converter_mod_apk_download.pdf
    • https://cdn.shopify.com/s/files/1/0436/4189/7113/files/coleman_5348_lantern_manual.pdf
    • https://cdn.shopify.com/s/files/1/0434/6108/3296/files/bogulosipenufixolex.pdf
    • https://cdn.shopify.com/s/files/1/0482/6929/5777/files/47865367460.pdf
    • https://cdn.shopify.com/s/files/1/0434/0901/4940/files/surojezojis.pdf
    • https://cdn.shopify.com/s/files/1/0481/6093/1991/files/pifokolomorivoxor.pdf

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