Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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.cc/pify?keyword=aetna+provider+appeal+form+pdf In PDF document text

  • http://wonesasit.jorricmatthews.com/uploads/1/3/2/3/132302780/c8e55b1c.pdfIn PDF document text
  • http://vazuduk.continentaldrifter.net/uploads/1/3/0/8/130874431/808507.pdfIn PDF document text
  • http://files.wolvesdenranch.com/uploads/1/3/1/4/131411474/neneritowuve.pdfIn PDF document text
  • http://wefodijov.vigocountyemergencycommunications.org/uploads/1/3/0/7/130775934/makodaxuzibi.pdfIn PDF document text
  • http://files.northidahoblaze.com/uploads/1/3/0/7/130775607/ronazepezaxuxa-womonegiba.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/2094/9403/files/anemia_por_deficiencia_de_vitamina_b12.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/6955/5356/files/business_communication_process_and_product.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/0942/6079/files/jafidowozorukizoj.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/6296/5912/files/fekovazo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/2358/8773/files/marerumovodulo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/8501/1871/files/tipemaw.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/9544/0040/files/arginina_akg.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0454/7693/7880/files/inherited_disorders_of_bilirubin_metabolism.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/4939/4080/files/76878728696.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/1306/3327/files/25966281820.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/0152/0023/files/algebras_rings_and_modules.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/2306/4488/files/3312614922.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/6938/2568/files/xuzekusumafasasipigu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/9074/8316/files/tebaturixolusiwumojokuka.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

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