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://gettraff.ru/wb?keyword=desigualdades%20cuadraticas%20ejemplos In PDF document text

  • https://natizupasa.weebly.com/uploads/1/3/1/4/131437725/7609666.pdfIn PDF document text
  • https://rojusonevupa.weebly.com/uploads/1/3/0/8/130814232/molizu-tekaxuvuwoz-xopefupudif.pdfIn PDF document text
  • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/3079835.pdfIn PDF document text
  • https://nasinapalu.weebly.com/uploads/1/3/0/7/130739684/3572938.pdfIn PDF document text
  • https://wavuvavezexa.weebly.com/uploads/1/3/0/7/130775629/4831658.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365620/normal_5f87448a13c95.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365555/normal_5f86ff8302644.pdfIn PDF document text
  • https://finiluxexolije.weebly.com/uploads/1/3/1/8/131856594/893e8f3e40.pdfIn PDF document text
  • https://jufaxexave.weebly.com/uploads/1/3/0/7/130775513/1be90b8.pdfIn PDF document text
  • https://jivexine.weebly.com/uploads/1/3/1/3/131380908/0e039ece42c618.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006ce6.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006ce6.bin)
  • https://cdn.shopify.com/s/files/1/0435/7770/4607/files/keys_in_spanish_spelling.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8804/2902/files/38445091110.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0460/7587/1396/files/duck_life_4_cheats_unblocked.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/5443/8846/files/game_guardian_mod_pubg_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/1392/9630/files/tobisokug.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/7622/6724/files/2014_polaris_sportsman_400_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/4316/2778/files/vishwas_nangre_patil_book_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/6367/0944/files/vingt_et_un_game.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/0137/5650/files/13636960813.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/4358/4662/files/godric_gryffindor_harry_potter.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/9331/0631/files/que_es_la_distraccion.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/4080/2469/files/altivar_31_inverter_manual.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_off00006ce6.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000a6cd.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000a6cd.bin)

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