Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d7b3edca191772d…

MALICIOUS

PDF

58.4 KB Created: 2021-02-25 09:10:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: df75a3ad4f1e8de75745e8aa1c70ae69 SHA-1: 32ffae0990a06fdba838f2b0e089a3ff1e628791 SHA-256: 7d7b3edca191772df61ea31c5567bf8ae8723cabe8883d2357c3a994a718437f
154 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9332

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://jottigo.ru/strik?utm_term=the+book+of+life+j+krishnamurti+pdf PDF link annotation
    • http://damodudajipofem.22web.org/vipobugajox.pdfIn PDF document text
    • http://minesaxofunawi.getenjoyment.net/how_to_check_salt_chlorinator.pdfIn PDF document text
    • https://cdn.sqhk.co/kuluxasoge/h9AsnYs/sapepedejabiloju.pdfIn PDF document text
    • https://cdn.sqhk.co/xeposetuge/biA6khe/malwarebytes_security_virus_cleaner_anti-_malware_pro_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/kosenopelid/mQVhiay/43090710841.pdfIn PDF document text
    • https://cdn.sqhk.co/porosobof/ghtgjif/ak_47_wallpaper_4k.pdfIn PDF document text
    • https://cdn.sqhk.co/xaleteser/hdqgdja/53378081331.pdfIn PDF document text
    • https://ziwopigop.weebly.com/uploads/1/3/4/3/134380455/ab13424ffc45e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4479674/normal_600ebc587026b.pdfIn PDF document text
    • http://zitadufafasid.onlinewebshop.net/what_is_f21_error_on_kenmore_washer.pdfIn PDF document text
    • https://s3.amazonaws.com/genukopapovixo/wapking_marathi_movie_ringtone.pdfIn PDF document text
    • https://s3.amazonaws.com/xufoxorog/human_anatomy_and_physiology_3d_free.pdfIn PDF document text
    • https://s3.amazonaws.com/samopakamefap/22801661834.pdfIn PDF document text
    • https://s3.amazonaws.com/vuzufexarevima/thyroid_disorders_management.pdfIn PDF document text

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