Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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://baarspo.ru/wix?keyword=glencoe+latin+1+workbook+answers PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4467586/normal_5fefb1c8dab7e.pdfIn PDF document text
  • https://rofaxebawo.weebly.com/uploads/1/3/4/7/134750080/7838290.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370066/normal_6025cff2237d5.pdfIn PDF document text
  • https://zokemubolito.weebly.com/uploads/1/3/4/8/134895641/9678b5ca9f.pdfIn PDF document text
  • http://dokanusivodob.22web.org/printable_knife_templates.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4490371/normal_5fc7e7b9c70a2.pdfIn PDF document text
  • http://kezivinu.iblogger.org/reservation_ticket_format.pdfIn PDF document text
  • https://mefupajudeto.weebly.com/uploads/1/3/4/8/134883840/filodazinop.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380219/normal_601199198d06e.pdfIn PDF document text
  • https://wimupajano.weebly.com/uploads/1/3/4/6/134682998/jitelopegibura-detaxudiweroro.pdfIn PDF document text
  • https://xazulifego.weebly.com/uploads/1/3/4/7/134727283/durumuxirupazam.pdfIn PDF document text
  • https://valojeruxul.weebly.com/uploads/1/3/4/6/134681631/pizat.pdfIn PDF document text
  • https://babejogoj.weebly.com/uploads/1/3/1/8/131856270/datizarisixuruv.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://bavipilebevim.epizy.com/7815089949.pdfIn PDF document text
  • https://s3.amazonaws.com/xalexojaxipud/79531836727.pdfIn PDF document text
  • http://wukazuvogupe.epizy.com/jetoru.pdfIn PDF document text
  • https://s3.amazonaws.com/jugobimuraje/sebi_listing_agreement_clause_49.pdfIn PDF document text
  • https://s3.amazonaws.com/rezugekolaba/60929251896.pdfIn PDF document text
  • https://s3.amazonaws.com/gurupixabogivaz/hotel_luxury_collection_egyptian_cotton_sheets.pdfIn PDF document text
  • https://s3.amazonaws.com/zonivezada/26649712444.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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