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.
• 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.
• Brand-impersonation credential phishing lure high 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: call-to-action link host does not match the impersonated brand: https://cctraff.ru/strik?keyword=pokecoins+generator+no+human+verific.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://cctraff.ru/strik?keyword=pokecoins+generator+no+human+verific In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367674/normal_5f874b002d931.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370269/normal_5f87fe0064e77.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366980/normal_5f8a089dd88bc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369162/normal_5f87f38c6d2bb.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006359.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006359.bin)
  • https://cdn.shopify.com/s/files/1/0440/7581/0966/files/how_to_get_free_gems_in_dragon_city_without_human_verification.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0494/4832/1183/files/68382249412.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/7292/8409/files/free_download_avast_mobile_security_for_android_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/6113/2962/files/56395422975.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4cc1627b-ca30-415e-95fd-5734982aa81c/27361451624.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8da1c09f-5829-4c0f-a932-6f525802fd4c/60623509177.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1f1e6069-c910-42d1-9722-f8daa2e16b97/makomugumus.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ce5ddcee-b924-4582-97f8-50da549f7446/gogizevaduwunavugitad.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/6050/1921/files/jerabaxexos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5919/0689/files/wufolujimutax.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8052/3681/files/refuwuvopo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/4222/1479/files/93435864882.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/415ea374-d311-45f9-b852-04b58d41efe6/zeraserademavira.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a71f201f-b002-426c-8036-778108f11191/wasuvafozakixubuxumavekeg.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7b924e2a-7737-4c2b-8177-a964855dc2ed/fudozefiluxidanokofutad.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e886c459-9fe4-4839-a207-2dc903d67924/12802934266.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0308d3dc-1388-49e9-a5b7-fbb0901e255d/zazozilubigositukoxem.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_off00006359.bin)

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