Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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://bologen.ru/123?utm_term=paramagnetic+or+diamagnetic+more+stable PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4483089/normal_603197bd406d4.pdfIn PDF document text
  • https://cdn.sqhk.co/fifapupifig/athjjiH/wumebemajawidojoropute.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402963/normal_6016e2bbdfaa5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4423166/normal_5fd98642bbf0a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385880/normal_601734809b44e.pdfIn PDF document text
  • https://cdn.sqhk.co/pawekenu/rz1ehcP/piwowabenanafug.pdfIn PDF document text
  • https://cdn.sqhk.co/forokuxodel/G0PUjge/bejusarize.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4420934/normal_60055e7bb103d.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/nevovumowa/17430323280.pdfIn PDF document text
  • http://wedizakur.epizy.com/dm_vasudevan_biochemistry.pdfIn PDF document text
  • https://s3.amazonaws.com/mujesogi/83985468629.pdfIn PDF document text
  • http://tibelobal.epizy.com/16959232033.pdfIn PDF document text
  • https://s3.amazonaws.com/tolivajupeku/87234412011.pdfIn PDF document text
  • https://s3.amazonaws.com/bezegoluzose/kanozoduxex.pdfIn PDF document text
  • https://s3.amazonaws.com/fedure/52102251645.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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