Malicious PDF — malware analysis report

Heuristics 6

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://ttraff.me/wix?keyword=missguided+body+mist+boots In PDF document text

  • http://files.chfsrbija.org/uploads/1/3/1/3/131380158/zavajud_suxedes_mesof.pdfIn PDF document text
  • http://files.connecticutghosthunter.com/uploads/1/3/1/0/131070398/9581459.pdfIn PDF document text
  • http://munogowa.diamonddanceacademydancestudio.com/uploads/1/3/2/6/132695535/497bb82.pdfIn PDF document text
  • http://suxas.brockportjunioreagles.com/uploads/1/3/1/4/131438216/4491076.pdfIn PDF document text
  • http://bonifa.theworkwithtom.com/uploads/1/3/2/8/132814930/9269544.pdfIn PDF document text
  • http://livom.stephaniecpassman.com/uploads/1/3/0/9/130969192/5976776.pdfIn PDF document text
  • http://files.gibbsfinancialfitness.com/uploads/1/3/1/6/131637881/ketutuperi_bugivowiti.pdfIn PDF document text
  • http://files.allensfork.org/uploads/1/3/1/6/131606128/puziwofosetun-juvapukubi-tojixurux-lexidisokow.pdfIn PDF document text
  • http://vefosut.badgeraviators.org/uploads/1/3/0/8/130874474/0b633c830a0.pdfIn PDF document text
  • http://files.sturgeonenglish.com/uploads/1/3/1/8/131871433/4094021.pdfIn PDF document text
  • http://rojerox.businesseducationmsde.com/uploads/1/3/0/7/130739163/xozajagovevilosa.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://static.usrfiles.com/ugd/92ee2b_fe1c1059c4c04946a93fe421a4607aba.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/b5973a_3bedbe2e0b4e4a7c8e93b4e8575931b7.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/6908d7_0aa59e7687864e448b0490dba987e4bd.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/6a22cb_d61a3d2fb0a34c92b22a374ac33318d2.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/ab922d_5ad619e36a2a444e91b9bc7e1b359ff4.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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