Malicious PDF — malware analysis report

Static analysis result for SHA-256 efafe5006cfb7680…

MALICIOUS

PDF

51.6 KB Created: 2020-11-13 23:48:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-11
MD5: 15ccfcc6c7297e3952cb5d0a59be2d3f SHA-1: 58d50aea6bf20611368a1b2a42c52291f022d80d SHA-256: efafe5006cfb76800f9d81b859f053a0770457344714cb9edd98cbd898352c71
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a heuristic indicating a link farm with numerous external PDF links, one of which is a suspicious URL. The document body, though heavily obfuscated, suggests a lure related to a download. The presence of external links and the ML classifier flagging it as malicious strongly suggest it is designed to redirect users to malicious content or phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6926

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://traffset.ru/strik?utm_term=sorry+not+sorry+naya+rivera+download PDF link annotation
    • https://porelananov.weebly.com/uploads/1/3/0/7/130775759/dudajibasemugilogo.pdfIn PDF document text
    • https://sepikupi.weebly.com/uploads/1/3/0/7/130738949/zibexu.pdfIn PDF document text
    • https://movulejovem.weebly.com/uploads/1/3/4/4/134470355/febabamonizob.pdfIn PDF document text
    • https://rufewukel.weebly.com/uploads/1/3/4/5/134599372/ribediveworufuworo.pdfIn PDF document text
    • https://futuziduxe.weebly.com/uploads/1/3/4/5/134508203/f8c5b5b1c20e83.pdfIn PDF document text
    • https://bameveba.weebly.com/uploads/1/3/4/1/134108569/1975808.pdfIn PDF document text
    • https://s3.amazonaws.com/nonabafat/79666298797.pdfIn PDF document text
    • https://s3.amazonaws.com/dugibabafod/23900211429.pdfIn PDF document text
    • https://s3.amazonaws.com/dazifozixawus/waxigowajigulopedolun.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/711b13fa-9e0a-417f-8402-8b19a0d39459/jezopinu.pdfIn PDF document text
    • https://s3.amazonaws.com/zizene/understanding_art_11th_edition_free.pdfIn PDF document text
    • https://s3.amazonaws.com/rijaliwiguvex/86917617204.pdfIn PDF document text
    • https://s3.amazonaws.com/purixifusipelid/an_introduction_to_categorical_data_analysis_second_edition.pdfIn PDF document text
    • https://s3.amazonaws.com/fibesezati/musicians_first_choice.pdfIn PDF document text
    • https://s3.amazonaws.com/bakoloj/dekowazukosezomo.pdfIn PDF document text

Related samples 8

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

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