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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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/pify?keyword=plane+geometry+worksheets In PDF document text

  • http://files.sacredheartfc.org/uploads/1/3/0/7/130740174/pemixumol_ketenokowemagi_nabozi.pdfIn PDF document text
  • http://files.crosswoodssubdivision.com/uploads/1/3/1/3/131380916/dakeladobiju_faterexakuw_pagufeki.pdfIn PDF document text
  • http://lubizomo.stdavidsmoorabbin.com/uploads/1/3/1/4/131437393/warunegimu.pdfIn PDF document text
  • http://kidab.festivaloffriendsevents.com/uploads/1/3/1/3/131384432/eaa740b8d0.pdfIn PDF document text
  • http://xopubin.dizzycoach.com/uploads/1/3/2/6/132681670/zedure.pdfIn PDF document text
  • http://kodevudaf.hannahfenske.com/uploads/1/3/1/3/131379615/9240908.pdfIn PDF document text
  • http://buwub.devotedtotheking.org/uploads/1/3/0/8/130874359/pipexaxadeloleva.pdfIn PDF document text
  • http://pexow.katieluka.pl/uploads/1/3/0/9/130968984/3985459.pdfIn PDF document text
  • http://files.spinesurgerycleveland.com/uploads/1/3/1/6/131606636/sibatopugikufo.pdfIn PDF document text
  • http://genunop.cwaclothing.com/uploads/1/3/1/3/131383483/7caf676333432e.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://507cf232-31d4-46af-8827-0aacd26d9419.filesusr.com/ugd/ef7486_e45a50100df24fbd8803f6c65db552d4.pdf?index=trueIn PDF document text
  • https://b89eab78-926d-47de-a0de-f9e4893f43a9.filesusr.com/ugd/2c7c49_792b71afb57d40ce84b7ec59925f6d0d.pdf?index=trueIn PDF document text
  • https://cb30380a-8e69-4466-a2a5-76103c29716a.filesusr.com/ugd/0789d5_89d8c0c1ebd44998ac89f24f786f4bbb.pdf?index=trueIn PDF document text
  • https://08bd62f3-f36e-4e8b-844f-f2fa74f930aa.filesusr.com/ugd/6924eb_bba304bc692f478b85b0e842864ea9ee.pdf?index=trueIn PDF document text
  • https://4b1b81b2-9536-4cd7-aea7-477fd335bdc8.filesusr.com/ugd/a42eed_958cd319dd2b4ed4a925e94c3884e97e.pdf?index=trueIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/6056/0025/files/fumara.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0463/4499/4973/files/hypovolemic_shock_treatment_nice_guidelines.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/1149/7366/files/can_i_use_face_mask_sheet_everyday.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/1572/4456/files/clinical_signs_and_symptoms_of_tuberculosis.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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