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.
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.club/wix?keyword=go+locker+pro+1.69+apk In PDF document text

  • http://mifano.lamarrugby.com/uploads/1/3/2/8/132814930/7146290.pdfIn PDF document text
  • http://wazag.independentbaptistmissionforjamaicaandthedominicanrepublic.com/uploads/1/3/0/7/130776483/wokoda_lupaviv_xabukizujodetus.pdfIn PDF document text
  • http://raxipugot.kitakoreatour.com/uploads/1/3/0/7/130776330/86f942b0.pdfIn PDF document text
  • http://vofiveg.hollarchiropractic.com/uploads/1/3/1/3/131380550/1508ee56ef32494.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://cdn.shopify.com/s/files/1/0452/5680/2461/files/sway_dean_martin_sheet_music_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/2045/7883/files/renewable_energy_and_alternative_power_sources.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0451/8179/6503/files/bilinguisme_avantages_inconvenients.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/5986/3959/files/80987598425.pdfIn PDF document text
  • https://8b5c1c7b-7209-4bdc-b77a-cc99969f1e63.filesusr.com/ugd/668a47_2363e27078b245ce8bad550d1f92e1c1.pdf?index=trueIn PDF document text
  • https://993dabc2-886d-43d0-8c92-fdf8d1a203f3.filesusr.com/ugd/81d6a4_632c332ec1aa4b95b64be405021ed0f4.pdf?index=trueIn PDF document text
  • https://10573eaf-945c-4925-9f42-032faa8bfae6.filesusr.com/ugd/3283b0_0efb8bbbfaba4a2584f8d5ff3df30a6a.pdf?index=trueIn PDF document text
  • https://57b66b88-5b56-4cfc-a83e-37a4a6db4dd4.filesusr.com/ugd/3bcfef_39d9b864c4fa418aac5ea41cbedfa3d8.pdf?index=trueIn PDF document text
  • https://f654991d-1c41-4b0d-8b10-cec3f5dfc0e0.filesusr.com/ugd/daca0d_c1e3870270ea4953a2ed97221085ae4c.pdf?index=trueIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/1405/4300/files/mosazu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/3095/4655/files/wire_bender_cnc.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/5405/6092/files/xozokili.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 PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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