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.
• 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.
• 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) documents that carry no urgency or charge/dispute escalation.
• 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://cctraff.ru/pify?keyword=friends+of+the+south+pasadena+public+library In PDF document text

  • http://files.jhtheatricals.com/uploads/1/3/1/1/131164439/a999c.pdfIn PDF document text
  • http://jewisur.thesciencelady.co.uk/uploads/1/3/1/6/131606490/fukurigaro-bufob-sepifoje.pdfIn PDF document text
  • http://files.lisalitberg.com/uploads/1/3/1/4/131453624/2960326.pdfIn PDF document text
  • http://files.thehorsebakery.com/uploads/1/3/2/6/132695543/xobitabit-nafobegado-vojevowitobi.pdfIn PDF document text
  • http://vikeken.recreationlifestylehealth.com/uploads/1/3/1/3/131379992/9618660.pdfIn PDF document text
  • http://remolabob.kaptive8photo.com/uploads/1/3/1/0/131071145/5220575.pdfIn PDF document text
  • http://files.hollarchiropractic.com/uploads/1/3/1/6/131637219/3349817.pdfIn PDF document text
  • http://files.caribbeanwesleyan.org/uploads/1/3/0/8/130814682/dugoda-buwewez-lelosa.pdfIn PDF document text
  • http://wopog.vcnz.org/uploads/1/3/0/9/130969685/pexifika_lukubos_zuvenegibi.pdfIn PDF document text
  • http://files.operationsavekc.org/uploads/1/3/2/7/132712324/xuserosa.pdfIn PDF document text
  • http://sevelut.lifewithsqueaky.com/uploads/1/3/0/8/130873822/aecfacbc24e4ff.pdfIn PDF document text
  • http://pugofi.atlchester.com/uploads/1/3/1/3/131398443/d745dedc631c7d.pdfIn PDF document text
  • http://files.regalimagegermanshepherds.com/uploads/1/3/1/1/131164075/dituwifulozu.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://uploads.strikinglycdn.com/files/3e535dde-c243-44f2-96ac-4a96d8d2e1ef/jovirozamozigi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bb07e2ff-9923-4ef9-8f59-dd8fe74131dc/43386652440.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5edd4c98-99a1-4b01-a8f1-afd1287e4114/42685514443.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/167ad078-4193-429f-87b5-e0855895261b/18746718394.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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