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://cctraff.ru/aws?keyword=design+sprint+livro+pdf In PDF document text

  • https://fotejisatowonu.weebly.com/uploads/1/3/2/3/132302873/a53d1771ac461.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/bagatazojiz_sidatasofugugor_sofaxazute_gureluf.pdfIn PDF document text
  • https://rabifupokuwu.weebly.com/uploads/1/3/1/1/131164250/3358c4ea5b.pdfIn PDF document text
  • https://folarudivol.weebly.com/uploads/1/3/1/8/131871739/tunek.pdfIn PDF document text
  • https://gemaxudemaxepeb.weebly.com/uploads/1/3/1/0/131070646/4757370.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374956/normal_5f905b63d96bd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391903/normal_5f927153e556a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365591/normal_5f8dd5b0e8508.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367268/normal_5f93fa5705215.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380082/normal_5f94b1ea94a8a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379220/normal_5f8a32e1496a7.pdfIn PDF document text
  • https://ralawuxageg.weebly.com/uploads/1/3/4/3/134319431/b74565317272335.pdfIn PDF document text
  • https://vimiwegom.weebly.com/uploads/1/3/0/7/130775837/makogopugavobepa.pdfIn PDF document text
  • https://mogidudurunupiz.weebly.com/uploads/1/3/2/6/132695636/bebcb64eb9b0a1.pdfIn PDF document text
  • https://rukazoxet.weebly.com/uploads/1/3/4/0/134040508/3594046.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008a11.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008a11.bin)
  • http://www.daltonmaag.com/In extracted file (font_03_sfnt_off0000effc.bin)
  • https://cdn.shopify.com/s/files/1/0504/4204/3561/files/khmer_lunar_calendar_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/4083/2150/files/sogexosiwaxamilibeb.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/button_mushroom_cultivation_project_report.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/11894783528.pdfIn PDF document text
  • https://s3.amazonaws.com/wanasuvedigo/66218381339.pdfIn PDF document text
  • https://s3.amazonaws.com/nagev/89522723649.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://dejavu.sourceforge.netIn extracted file (stream_006_off0000bf4f.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_006_off0000bf4f.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off00008a11.bin)

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