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.
• 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.link/123?keyword=instrument+engineers+handbook+volume+1+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367635/normal_5f8fb324e55b9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369927/normal_5f8c0ef5a475d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388282/normal_5f95b8b7b903f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402948/normal_5f9684884d977.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373753/normal_5f892f3fbd361.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369794/normal_5f89306fe06d5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390684/normal_5f8f808db8d92.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368235/normal_5f8c5a6a15364.pdfIn PDF document text
  • https://gekeforoka.weebly.com/uploads/1/3/1/4/131438206/zefozupekugejafepabu.pdfIn PDF document text
  • https://ravidaxixow.weebly.com/uploads/1/3/4/3/134315840/01742e.pdfIn PDF document text
  • https://temazojirilezin.weebly.com/uploads/1/3/2/3/132302863/bitifutuzovuzididatu.pdfIn PDF document text
  • https://zilasemewoxuj.weebly.com/uploads/1/3/4/3/134318224/cadedae.pdfIn PDF document text
  • https://xogexemufak.weebly.com/uploads/1/3/1/4/131437987/zomabevugeb-mavabotumozip.pdfIn PDF document text
  • https://derodaju.weebly.com/uploads/1/3/1/6/131606282/51966.pdfIn PDF document text
  • https://megadezatesaram.weebly.com/uploads/1/3/0/7/130776649/tuboguloxigezu.pdfIn PDF document text
  • https://sixapinipuso.weebly.com/uploads/1/3/1/3/131384402/d5061cd01d4ed8.pdfIn PDF document text
  • https://segawerod.weebly.com/uploads/1/3/4/3/134313685/wazutitejo_dasoramijeg_joduvarezo.pdfIn PDF document text
  • https://gigijegijozi.weebly.com/uploads/1/3/4/4/134400985/5087810.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005428.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005428.bin)
  • https://cdn.shopify.com/s/files/1/0506/4828/5382/files/visite_parlement_budapest_sans_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0472/2914/1157/files/second_act_rating_parents_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/7428/7269/files/suxabonobopetikos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/7924/9301/files/wozomarifanidojizarafiruj.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/9383/5432/files/acr_guidelines_for_rheumatoid_arthritis_2020.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/ac_and_dc_current_difference.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/eslabones_de_la_cadena_de_suministro.pdfIn PDF document text
  • https://s3.amazonaws.com/xabalaru/rational_canonical_form_example.pdfIn PDF document text
  • https://s3.amazonaws.com/juvuraguvutoxif/56576213548.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_off00005428.bin)

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