Malicious PDF — malware analysis report

Static analysis result for SHA-256 bddaaa919defd368…

MALICIOUS

PDF

255.4 KB Created: 2021-02-25 02:54:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 9b36d7f64eb8a9da9c6f412a170a53de SHA-1: 1fd28057bb1b9a57d841ba36691daa82232e6b9e SHA-256: bddaaa919defd368c19c2b7e2136d377c4ddeb52f11aecc4e509d2dbd260b5ca
134 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains heuristics indicating it is a phishing lure, specifically using an image to redirect users to an SEO redirector. The primary URL identified, 'https://baarspo.ru/award?keyword=cupid+and+psyche+story+summary+tagalog+version', is associated with this phishing attempt. While no scripts were explicitly extracted, the PDF structure and URL analysis strongly suggest a phishing attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9242

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://baarspo.ru/award?keyword=cupid+and+psyche+story+summary+tagalog+version PDF link annotation
    • https://dunifavopugi.weebly.com/uploads/1/3/5/3/135312205/2826632.pdfIn PDF document text
    • https://zunitaxipef.weebly.com/uploads/1/3/1/3/131398356/rulupunekazo.pdfIn PDF document text
    • http://nigma24invest.online/37941547811yhp5k.pdfIn PDF document text
    • http://conicppjry.bid/prefixes_suffixes_worksheetsmrvi1.pdfIn PDF document text
    • http://klokisik.space/medium_sudokuzxulb.pdfIn PDF document text
    • https://zipobirin.weebly.com/uploads/1/3/5/3/135386694/717c14cd6a686.pdfIn PDF document text
    • http://idealicaitalia-official.site/mh_cet_admit_card_2019_websiteaoqqv.pdfIn PDF document text
    • https://cdn.sqhk.co/nawakema/dijpjhv/mda_chemical_structure.pdfIn PDF document text
    • http://cleaner-inn.club/fizawizoxpe.pdfIn PDF document text
    • http://edapog.online/nuvabawafeniwigetu47p6p.pdfIn PDF document text
    • http://svoydvalend.xyz/game_street_fighter_2_mod_apkngd5m.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4456377/normal_60362fb0c217b.pdfIn PDF document text
    • http://wivuperafuzo.mypressonline.com/69194255691.pdfIn PDF document text
    • https://tixuxajus.weebly.com/uploads/1/3/2/6/132682254/faxoparo-lodabiga-nivesasabami.pdfIn PDF document text
    • http://bitines.myartsonline.com/77921163280.pdfIn PDF document text

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