Malicious PDF — malware analysis report

Static analysis result for SHA-256 93ac60088104456a…

MALICIOUS

PDF

58.6 KB Created: 2021-03-01 03:16:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 10552e3e3b3abf304796ec1fd8bf229a SHA-1: 57bb2d45c753921d43d39da7082b30653c5324a4 SHA-256: 93ac60088104456a5782535551d955396cfee2c9c73b6c648befb3d6da47eb9c
154 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was detected as malicious by ClamAV and an ML classifier, and contains a large number of external links. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, suggesting a link farm or redirection scheme. The presence of embedded URLs further supports the malicious intent of directing users to external, potentially harmful, sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7499

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://leonvi.ru/aws?utm_term=how+to+pair+plantronics+c054+headset PDF link annotation
    • https://cdn.sqhk.co/lebudawojafi/LjdEZhb/9617906103.pdfIn PDF document text
    • https://dubanivexog.weebly.com/uploads/1/3/4/3/134331992/9835691.pdfIn PDF document text
    • https://safejabev.weebly.com/uploads/1/3/0/7/130739713/mixererasugex_ropit_lexenakokazexa.pdfIn PDF document text
    • https://pegofugetil.weebly.com/uploads/1/3/5/3/135347090/bejumuromit-matitapuna-pareropex.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413235/normal_60084ac90b440.pdfIn PDF document text
    • https://vafomelopujoxo.weebly.com/uploads/1/3/4/8/134864043/1538d58.pdfIn PDF document text
    • https://cdn.sqhk.co/furigelo/b6XNhfn/12026335042.pdfIn PDF document text
    • http://povosiz.epizy.com/36322147579.pdfIn PDF document text
    • https://s3.amazonaws.com/wukara/ye_gadi_cg_song.pdfIn PDF document text
    • http://tewarenibimek.rf.gd/78669075843.pdfIn PDF document text
    • https://s3.amazonaws.com/mudurixo/87474036690.pdfIn PDF document text
    • https://s3.amazonaws.com/pululusodogi/zevegedelaro.pdfIn PDF document text
    • https://s3.amazonaws.com/wujanozo/adobe_flash_8_animation_software_free.pdfIn PDF document text
    • https://s3.amazonaws.com/dotivaf/24208800849.pdfIn PDF document text
    • http://medetoti.epizy.com/technical_analysis_stocks_software.pdfIn PDF document text
    • https://s3.amazonaws.com/domegagowevag/judoxunixasumipu.pdfIn PDF document text
    • https://s3.amazonaws.com/najipavez/5334694291.pdfIn PDF document text
    • https://s3.amazonaws.com/jolozidabi/cardiogenic_shock_guidelines_australia.pdfIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

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