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.
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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://ggtraff.ru/123?keyword=move+to+ios+apk+free In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369502/normal_5f8b5ad3a602d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384296/normal_5f8fd7ff422fb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384464/normal_5f9423724b502.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367294/normal_5f8956ffc04dc.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/77668309323.pdfIn PDF document text
  • https://s3.amazonaws.com/lunojol/the_criminal_law_amendment_act_1908_download.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/cofactor_of_a_2x2_matrix.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/1/0479/9433/9481/files/88736493221.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/4876/2016/files/whats_the_role_of_oxygen_in_cellular_respiration_brainly.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/9053/4307/files/living_dead_ffxiv_icon.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/8219/4338/files/wipro_bps_interview_questions_and_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/8939/0487/files/30019491303.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d656d52c-c755-4c9e-9d5f-cb3a2d9147fc/25453562340.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/595835c0-bbd4-4fe6-bcc5-947616085c08/volupumusawagejo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b3f68ba2-c6bf-4eb8-9bac-efdb78112576/95843766547.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5e5018a7-a60d-4ce9-b5c6-87b04cb189d2/zuzukikenesimukob.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/303eecc1-af48-4cec-bd30-e97f59538a16/53565963570.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/758d7553-8154-48e3-aa20-aa2c8695d902/age_of_mythology_titans_download_meg.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/225f3065-be0c-433f-bf1c-aa733b501e06/les_diffrents_complments_circonstanciels.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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