Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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
• External URI info PDF_URI
  PDF contains an external URL action
• 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 http://janicebryansrmt.com/uploads/1/3/0/6/130639852/130639852.html#knowledge+transition+plan+template+excel PDF link annotation

  • http://sherrodinstitute.com/uploads/1/3/1/0/131070378/7d5d3.pdfIn PDF document text
  • http://sanddigital.org/uploads/1/3/0/6/130603835/seriw.pdfIn PDF document text
  • http://liverpooldiscofestival.com/uploads/1/3/0/6/130639258/48e9a6fe.pdfIn PDF document text
  • http://classicevaluators-usa.com/uploads/1/3/1/3/131383837/gaputuludafupo_tevixuxiw_pibowixezaf_jujoxugeza.pdfIn PDF document text
  • http://sparksphilippines.com/uploads/1/3/0/4/130489075/5184079.pdfIn PDF document text
  • http://montgomerycountyhumanesocietync.com/uploads/1/3/0/7/130775310/gepitek.pdfIn PDF document text
  • http://holisticsignature.com/uploads/1/3/0/2/130288431/jesitimizexixuji.pdfIn PDF document text
  • http://domrabotnicabezposrednikov.ru/uploads/1/3/0/2/130272600/wasalowakufepesi.pdfIn PDF document text
  • http://elusvoutfitters.com/uploads/1/3/0/2/130289801/ebbb3bbdff.pdfIn PDF document text
  • http://truexportadot.com/uploads/1/3/1/4/131407958/6089696.pdfIn PDF document text
  • http://toddletots.ca/uploads/1/3/1/4/131437627/2769523.pdfIn PDF document text
  • http://mb-style.com/uploads/1/3/0/5/130551124/8590945.pdfIn PDF document text
  • http://annageorgiou.com/uploads/1/3/0/8/130814115/jivigar.pdfIn PDF document text
  • http://kenoshaforgottenfriends.com/uploads/1/3/0/2/130287548/jowin.pdfIn PDF document text
  • http://bcisimulation.com/uploads/1/3/0/2/130272890/xijawovemebuzijud.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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