Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://walijogopabo.weebly.com/uploads/1/3/0/7/130776167/b4d1cb72d4eddc.pdf.
• 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=derivative+power+rule+examples In PDF document text

  • https://cdn-cms.f-static.net/uploads/4388062/normal_5f97ee057a5d6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381529/normal_5f8c8d3349080.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372376/normal_5f8bb41b448b5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366029/normal_5f87da9211927.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374366/normal_5f968ccf45eff.pdfIn PDF document text
  • https://walijogopabo.weebly.com/uploads/1/3/0/7/130776167/b4d1cb72d4eddc.pdfIn PDF document text
  • https://jatorogerujew.weebly.com/uploads/1/3/2/7/132710569/a63fb.pdfIn PDF document text
  • https://pafudufuwod.weebly.com/uploads/1/3/4/3/134326080/tuwagaget-fojepevan-rawabu.pdfIn PDF document text
  • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/linurigaruxox.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416798/normal_5f961e1d609a9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376610/normal_5f8b72e53fad2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384832/normal_5f8cc3538c7b3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369788/normal_5f89f464a555a.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007d16.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007d16.bin)
  • https://uploads.strikinglycdn.com/files/26580b34-05ca-440c-a2d7-375fb44edee8/dragon_city_hile_program.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/26b08c6d-caa4-414b-9ba8-5191c21160c7/14635622649.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f5e83c2f-3a37-4442-af21-0022bfeff699/san_marcos_blankets_los_angeles.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/7746/7801/files/61952545753.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/5312/5284/files/clek_foonf_manual_2013.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/1524/8293/files/68270603987.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/7816/4384/files/astak_2.4_ghz_wireless_receiver_cm-909.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6209/9607/files/dunuwanavivepoboge.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/0540/6115/files/zexagorakisimuwik.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/6394/1541/files/gramatyka_angielska_chomikuj.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/2929/1427/files/67568965168.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/9661/9193/files/67141326537.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/7645/5066/files/22602238767.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_off00007d16.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000b5bc.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000b5bc.bin)

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