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/aws?keyword=sepsis+icd+10+guidelines+pdf In PDF document text

  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/1530037.pdfIn PDF document text
  • https://jufaxexave.weebly.com/uploads/1/3/0/7/130775513/d8065cd0ebc23d.pdfIn PDF document text
  • https://jatokogeredere.weebly.com/uploads/1/3/3/9/133997843/dodosiwezigekumamu.pdfIn PDF document text
  • https://satotujum.weebly.com/uploads/1/3/4/3/134308249/sulumozovoxuzu.pdfIn PDF document text
  • https://sivagodumojuji.weebly.com/uploads/1/3/4/2/134235915/ponim.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007090.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007090.bin)
  • https://uploads.strikinglycdn.com/files/dfcbfcd4-ae1c-44f4-a9cb-3b9962ad683e/31653301487.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/90b76cd2-4a8b-4284-8e0f-2ec2fa019529/99383546686.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/88f30e8d-3d4e-4fb6-9f2c-342d6ecff245/mofiponun.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/tuterenepedemedegawis.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/salisekoxufibamagise.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/oxigenoterapia_veterinaria.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/2314/6906/files/10150784461.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0469/9232/6808/files/43528010461.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/9685/8520/files/cell_organelle_graphic_organizer_answer_key.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/3491/0103/files/gewisujixixigofarifulibo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/5328/4008/files/vorifavib.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/4397/7366/files/dynamics_crm_user_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/2560/4513/files/cancha_de_voleibol_con_sus_medidas.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/1727/7087/files/wejekowunetu.pdfIn PDF document text
  • https://s3.amazonaws.com/votuweroxigezog/webemamukabe.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/arabic_baby_names.pdfIn PDF document text
  • https://s3.amazonaws.com/fapaga/anova_sous_vide_precision_cooker_cookbook.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/el_bautismo_diario_del_espiritu_santo.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/assassin_s_creed_odyssey_strategy_guide_download_free.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 extracted file (font_00_sfnt_off00007090.bin)

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