Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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
• 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://jacksth.ru/aws?utm_term=how+do+you+write+a+lesson+plan+evaluation PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4385636/normal_600afa96bd61d.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4411923/normal_6008ac7ea4042.pdfIn PDF document text
  • https://cdn.sqhk.co/mupalewefe/bjajbiN/deals_brooklyn_ny_11235_full_zip_code.pdfIn PDF document text
  • https://cdn.sqhk.co/zunesunatiri/fgftchj/74677629764.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413008/normal_5fea1dda11394.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373004/normal_60270a68475b0.pdfIn PDF document text
  • https://monisobagarov.weebly.com/uploads/1/3/1/8/131856119/jozuzek-zituxu.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4411493/normal_5fcebe75a9578.pdfIn PDF document text
  • https://mejodedasebedo.weebly.com/uploads/1/3/4/7/134725949/7e225d53.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/donake/wrong_luh_kel_song_pagalworld.pdfIn PDF document text
  • https://s3.amazonaws.com/vetamedisoz/causas_y_consecuencias_del_alzheimer.pdfIn PDF document text
  • https://s3.amazonaws.com/pululusodogi/munavinogupoli.pdfIn PDF document text
  • https://s3.amazonaws.com/sezewu/16760014356.pdfIn PDF document text
  • https://s3.amazonaws.com/sixenogafopoj/angular_component_templateurl_example.pdfIn PDF document text
  • https://s3.amazonaws.com/pibabopuduj/20070701506.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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