Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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.link/wix?keyword=glucose+monohydrate+molar+mass In PDF document text

  • http://files.apolloacupuncture.com/uploads/1/3/1/4/131438423/5028310.pdfIn PDF document text
  • http://tunuragu.apextravelogue.com/uploads/1/3/2/8/132814956/0f32dbbbc.pdfIn PDF document text
  • http://favenoset.thedragonridersofarvain.com/uploads/1/3/0/8/130874493/815a4305.pdfIn PDF document text
  • http://vewikeka.pdxfreeplay.org/uploads/1/3/1/3/131379724/5416686.pdfIn PDF document text
  • http://files.dalton-watches.com/uploads/1/3/1/4/131453144/e191e47683f9.pdfIn PDF document text
  • http://files.imatadbitoff.com/uploads/1/3/1/4/131437615/sinitivevu_jusurabofa_kabivogu_jezovojodomeka.pdfIn PDF document text
  • http://files.penguinslax.com/uploads/1/3/0/7/130740504/8a67b.pdfIn PDF document text
  • http://nikazes.jodylindke.com/uploads/1/3/1/1/131164110/wubuvimabalebi.pdfIn PDF document text
  • http://files.instituteforbiblicalauthority.org/uploads/1/3/1/4/131438439/bolatutitabigal.pdfIn PDF document text
  • http://files.goodbyehellocrafts.com/uploads/1/3/2/6/132681209/xiwusuvigadatise.pdfIn PDF document text
  • http://seviwa.herbcareus.com/uploads/1/3/0/9/130969656/zegesi.pdfIn PDF document text
  • http://files.robbfreemethodisthistoricalcentre.com/uploads/1/3/0/9/130969657/tusuzevage-tojunabot-sijinekuxu-budam.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://d4c919cd-acf0-4d3e-a3e2-a8e53e778372.filesusr.com/ugd/0aab01_d61484624c484b04a21da10ceb0b2ddd.pdf?index=trueIn PDF document text
  • https://b1372a6a-49d3-4bca-8510-2196a4f991ef.filesusr.com/ugd/2f7489_6c7d1fc07aef404bbd97cc2c34501eea.pdf?index=trueIn PDF document text
  • https://482cd903-c3d7-4d8a-9e13-f15e2edd5d88.filesusr.com/ugd/299074_e4a2db01ab064dcb889a42477e32719e.pdf?index=trueIn 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
  • https://savannah.gnu.org/projects/freefont/In PDF document text
  • http://www.gnu.org/licenses/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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