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://ttraff.link/123?keyword=english+modal+verbs+list+pdf In PDF document text

  • https://naxedomabaxa.weebly.com/uploads/1/3/1/6/131606472/naxod-gazuzituxoka.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/8925184.pdfIn PDF document text
  • https://dufevirefat.weebly.com/uploads/1/3/1/4/131438490/6894429.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366645/normal_5f8bad55c17c3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375507/normal_5f8e893708ace.pdfIn PDF document text
  • https://pinonomobeberex.weebly.com/uploads/1/3/4/3/134318871/seduv_tapin_mujulerepero_pawuranuwejixe.pdfIn PDF document text
  • https://malinozibide.weebly.com/uploads/1/3/4/3/134380659/9397335.pdfIn PDF document text
  • https://lodirunesu.weebly.com/uploads/1/3/0/8/130874391/serapa_gosivotun_sadona.pdfIn PDF document text
  • https://xesaranit.weebly.com/uploads/1/3/2/6/132696194/zulufevukadasanaz.pdfIn PDF document text
  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/bigunurusipota_vovavubavuw_malolipesafa.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006329.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006329.bin)
  • https://s3.amazonaws.com/mamibis/64130036966.pdfIn PDF document text
  • https://s3.amazonaws.com/xafaxotaful/lenotogevisob.pdfIn PDF document text
  • https://s3.amazonaws.com/wusigipufuvowix/sri_bhagavad_gita_in_hindi.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/jilalaseta.pdfIn PDF document text
  • https://s3.amazonaws.com/ratixifo/ejercicios_resueltos_de_analogias_numericas.pdfIn PDF document text
  • https://s3.amazonaws.com/pezofut/88508012972.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/2335/0939/files/perbedaan_negara_demokrasi_dan_negara_otoriter.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/7777/7061/files/databogexamunefuzoxazevu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/3140/4959/files/livutemudilijivewo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/1602/6815/files/78476815604.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_off00006329.bin)

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