Malicious PDF — malware analysis report

Heuristics 5

• 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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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/123?keyword=android+9+note+8+changes In PDF document text

  • https://mafogidafefuzu.weebly.com/uploads/1/3/4/3/134334422/516334.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/filosom-lusiwikafese-jerupuxorukoti-novubolifunuw.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/autodwg_to_dwg_converter_2018_serial.pdfIn PDF document text
  • https://s3.amazonaws.com/zarusegibitumet/tecnicas_de_auditoria_forense.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/lakop.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367271/normal_5f8bad8b18a49.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375195/normal_5f9175cdd66b6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370767/normal_5f8c988bbbc17.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372719/normal_5f93b636508a7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388412/normal_5f8eb9c9410ca.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366375/normal_5f8a2a9a8439a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366980/normal_5f9014386b2bb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389820/normal_5f90f90f40155.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382974/normal_5f91a05a45236.pdfIn PDF document text
  • https://s3.amazonaws.com/lixasifasi/dizibawipaki.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/asme_section_ix_2017.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/29507572389.pdfIn PDF document text
  • https://s3.amazonaws.com/bisute/old_age_health_problems_in_india.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/adobe_signature_not_working.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/1645148252.pdfIn PDF document text
  • https://s3.amazonaws.com/muwemivumazulax/98229082395.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/xuzamitirelozofudi.pdfIn PDF document text
  • https://s3.amazonaws.com/jowutoneranemuk/arkham_horror_final_hour_rules.pdfIn PDF document text
  • https://s3.amazonaws.com/lixuzo/the_three_musketeers_by_alexandre_dumas_download.pdfIn PDF document text
  • https://mipirizu.weebly.com/uploads/1/3/2/6/132682564/489309587dc1b.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off00008f3e.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off00008f3e.bin)
  • http://fedorahosted.org/lohitIn extracted file (font_02_sfnt_off0000a1f0.bin)
  • http://smc.org.in)MeeraRegularMeera2016SMC7.0.0+20171102HussainIn extracted file (font_04_sfnt_off0000bd02.bin)
  • http://smc.org.inhttp://smc.org.inIn extracted file (font_04_sfnt_off0000bd02.bin)
  • http://www.indictrans.orgIn extracted file (font_10_sfnt_off000104b5.bin)
  • 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 extracted file (font_01_sfnt_off00008f3e.bin)
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn extracted file (font_03_sfnt_off0000acf5.bin)
  • http://www.gnu.org/copyleft/gpl.htmRegularIn extracted file (font_03_sfnt_off0000acf5.bin)
  • https://gitlab.com/smc/meera/blob/master/COPYINGIn extracted file (font_04_sfnt_off0000bd02.bin)
  • http://www.gnu.org/licenses/lgpl.htmlRegularDanhHongIn extracted file (font_05_sfnt_off0000c90b.bin)
  • http://www.geocities.com/dnhhngIn extracted file (font_05_sfnt_off0000c90b.bin)
  • http://sinhala.sourceforge.net/In extracted file (font_08_sfnt_off0000ecbf.bin)
  • http://sinhala.cvs.sourceforge.net/viewvc/*checkout*/sinhala/sinhala/fonts/CREDITSIn extracted file (font_08_sfnt_off0000ecbf.bin)
  • http://www.gnu.org/licenses/gpl-2.0.htmlIn extracted file (font_08_sfnt_off0000ecbf.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_12_sfnt_off00014292.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_12_sfnt_off00014292.bin)
  • http://scripts.sil.orgIn extracted file (font_14_sfnt_off00016d40.bin)

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