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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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/wix?keyword=minecraft+sp+download+free+full In PDF document text

  • http://files.hawthorneforge.com/uploads/1/3/1/4/131438869/kuloxedivetat.pdfIn PDF document text
  • http://files.komchoprestaurant.com/uploads/1/3/2/6/132682295/4117000.pdfIn PDF document text
  • http://files.aspenergonomicswellnesssolution.com/uploads/1/3/0/7/130738794/6312340.pdfIn PDF document text
  • http://gebedez.dramallamaranch.com/uploads/1/3/1/4/131407370/0b38daab6d27c.pdfIn PDF document text
  • http://negagu.genpromotion.nl/uploads/1/3/0/7/130740117/600100221f.pdfIn PDF document text
  • http://tinit.societyofsaints.net/uploads/1/3/0/8/130873863/d657bbf319bbd.pdfIn PDF document text
  • http://files.style-x.net/uploads/1/3/2/6/132683014/5948275.pdfIn PDF document text
  • http://www.minecraft-download.euIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://f23f2dfd-e850-47ba-8680-2c25f09dbf80.filesusr.com/ugd/b96e41_36d69233248941b7b4686e51cb36f6c8.pdf?index=trueIn PDF document text
  • https://e644e1c2-af6e-466a-baca-1080bbf34517.filesusr.com/ugd/8de238_313562850f914537825915e2ce12cd3b.pdf?index=trueIn PDF document text
  • https://a993899e-0469-4cbc-9c67-8ae0c331c152.filesusr.com/ugd/53cfc7_5044815621774c7cb8f8dec2ece792c8.pdf?index=trueIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8935/4142/files/49127587966.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/8175/0941/files/lakadarefebe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/2889/6161/files/ocean_eyes_sheet_music_piano_easy.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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