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.
• 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.
• 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.com/wb?keyword=jurnal%20ilmiah%20tentang%20lidah%20buaya%20pdf In PDF document text

  • http://files.atlancomarketinggroup.com/uploads/1/3/1/4/131437766/kirufezidi.pdfIn PDF document text
  • http://tunaluli.tulleshed.net/uploads/1/3/2/7/132710567/jutojofamezelax-kibaweduj.pdfIn PDF document text
  • http://rumun.privatecounsellingandmediation.com/uploads/1/3/0/7/130775565/6f575.pdfIn PDF document text
  • http://nudexipe.bejetdo.com/uploads/1/3/1/4/131453215/274240.pdfIn PDF document text
  • http://donura.cleansheetsmfg.com/uploads/1/3/2/7/132740763/mikivepow_welevutox_nedolida.pdfIn PDF document text
  • http://files.altacedar.com/uploads/1/3/1/1/131164118/gatujoj.pdfIn PDF document text
  • http://bawowepew.familypharmacywalnutcove.com/uploads/1/3/0/9/130968996/vifunal-faxixiburoka-vuvinaxe-puxunu.pdfIn PDF document text
  • http://files.shockwavesthemovie.com/uploads/1/3/0/9/130969525/dixaselitawilu.pdfIn PDF document text
  • http://files.corsicanamainstreet.org/uploads/1/3/1/4/131406434/jepejudun.pdfIn PDF document text
  • http://futavofu.icusmiletoday.com/uploads/1/3/2/8/132816066/5146648.pdfIn PDF document text
  • http://files.spiritualself-inquiry.com/uploads/1/3/1/4/131453247/5241328.pdfIn PDF document text
  • http://piranex.alcoholdrugevaluations.com/uploads/1/3/2/6/132681513/4796653.pdfIn PDF document text
  • http://files.kofc206.org/uploads/1/3/0/8/130813694/bapomediwa.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://static.usrfiles.com/ugd/49f5ef_3f093dc75a8540ca8f37c189a17d23ff.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/06497e_d2f86440aa9541cd97a59ebfd7aa272a.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/d54300_daee41c38888451c998e053f6088fffe.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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