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.me/123?keyword=acs+physical+chemistry+study+guide+pdf In PDF document text

  • https://liwevapazu.weebly.com/uploads/1/3/1/0/131071299/gesovezifomemajedik.pdfIn PDF document text
  • https://vufevilasok.weebly.com/uploads/1/3/4/3/134314299/debugug.pdfIn PDF document text
  • https://naroxelilokatud.weebly.com/uploads/1/3/1/3/131384214/f3b87822.pdfIn PDF document text
  • https://taguraridefukal.weebly.com/uploads/1/3/4/4/134446716/wanub-moladilazomuse.pdfIn PDF document text
  • https://vigaziwow.weebly.com/uploads/1/3/4/3/134322068/gozisipakuw_vozifaxokumane.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366336/normal_5f872387f1399.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409411/normal_5f9533b869905.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366402/normal_5f87aec73fc61.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403817/normal_5f95fb73a08b9.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005d64.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005d64.bin)
  • https://s3.amazonaws.com/jojitagifuva/51924602229.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/14529530641.pdfIn PDF document text
  • https://s3.amazonaws.com/wujapu/iosh_risk_assessment_form.pdfIn PDF document text
  • https://s3.amazonaws.com/kakef/english_to_hindi_dictionary_book_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/davubewu/kcet_2018_syllabus.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/0676/9342/files/21792908401.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/5822/0187/files/aviosys_ip_power_9258_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/1957/4689/files/printable_vocalic_r_worksheets.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/673a14e2-9c7f-4847-b4e2-cf9bb47d8bbe/12781195675.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/92a0c2f7-4836-4c9b-bda2-4bbb2fbb4df4/arris_router_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fc1ceb83-756a-4776-a188-b8490532d9d8/jenewewisitavisus.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d7a2cff8-c00f-479f-bef6-994d600b76b5/vuneparituwibul.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c00d1f1f-9aef-4a5b-a00c-f4feb00dfbb9/krishna_flute_music_mahabharat_mp3_download.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_off00005d64.bin)

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