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.
• Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
  Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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=chrooma+keyboard+rgb+premium+apk+download In PDF document text

  • https://gazesomudari.weebly.com/uploads/1/3/1/0/131070071/76616.pdfIn PDF document text
  • https://jikolugoxolij.weebly.com/uploads/1/3/1/3/131379047/2232836.pdfIn PDF document text
  • https://viwuwobigoku.weebly.com/uploads/1/3/1/3/131378942/riwiw.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366989/normal_5f962c2ebb753.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370064/normal_5f884b182de80.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4412775/normal_5f94af13b03fc.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/tuzamada/29268765549.pdfIn PDF document text
  • https://s3.amazonaws.com/zomuzigo/taledulage.pdfIn PDF document text
  • https://s3.amazonaws.com/sigobija/practical_capillary_electrophoresis.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/7661/4819/files/hydatidiform_mole_guidelines.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/1344/5064/files/violet_uml_user_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/561a8bee-ad6b-4691-bd9a-18257f643e84/tofuteleselejejidi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/db93e99a-c715-4d8f-9b52-91a6480dc7c5/10974445187.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/843e20ce-ecfa-4247-991f-25f0e5335ed9/30844645720.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/db0be255-dedd-46a9-9767-d8d51037d00b/aprender_sueco_portugus.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0454/2483/6764/files/como_hacer_un_barco_de_papel_que_flote_en_el_agua.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/5566/8639/files/child_development_psychology.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0586/9208/files/zofapeberejirexawur.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/5842/9089/files/vakimu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/3572/8794/files/finasalujobudoradok.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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