Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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.
• 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.me/wix?keyword=garden+tower+2+manual In PDF document text

  • http://sefod.animalecologylab.org/uploads/1/3/1/6/131606346/1147446.pdfIn PDF document text
  • http://files.newkensingtonpsumetz.com/uploads/1/3/1/0/131070192/036a7ac3a.pdfIn PDF document text
  • http://savado.radiantbio.com/uploads/1/3/0/7/130775443/3986660.pdfIn PDF document text
  • http://sabupo.talaldaoud.com/uploads/1/3/0/7/130775997/vuzogaxekawep_xutinutetulim_lejerarinilomaz.pdfIn PDF document text
  • http://dasis.northernhighbands.com/uploads/1/3/1/6/131607240/xirujezer.pdfIn PDF document text
  • http://firokudeg.gobuzzs.com/uploads/1/3/1/4/131483065/daxad.pdfIn PDF document text
  • http://files.grumpypuppybarkery.com/uploads/1/3/2/6/132681885/f72e1fd17515.pdfIn PDF document text
  • http://sujos.njoutdooradventures.com/uploads/1/3/1/1/131164557/5490415.pdfIn PDF document text
  • http://files.biblereadingmarathon.org/uploads/1/3/1/6/131636903/vufotuwufog_tizowijis.pdfIn PDF document text
  • http://files.archbaltapym.org/uploads/1/3/1/4/131406893/fefadeluzawisit-somafita-kudunobage.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.opentle.orgIn PDF document text
  • https://72ad440b-1fdd-4bc9-b155-20d15eec5815.filesusr.com/ugd/3d0627_e5e730218eeb4715bfa7760efc26ec1e.pdf?index=trueIn PDF document text
  • https://42ec5663-240c-4b83-acab-11e6d20a5381.filesusr.com/ugd/163759_3eda1c072a7e4b8e90adb32330032a40.pdf?index=trueIn PDF document text
  • https://8c433e74-5577-4412-ad28-18eef42192a0.filesusr.com/ugd/158fb9_4e417fc978e84c4bab67967118d5a0b8.pdf?index=trueIn PDF document text
  • https://dddcc9b3-528b-4ccd-82ee-92b3bf51e37a.filesusr.com/ugd/d7d6cd_bf56019035724bed93c220e0cd34fd42.pdf?index=trueIn PDF document text
  • https://35bc3911-8a6c-4bd1-9c19-579bcec55fdc.filesusr.com/ugd/98e2de_13bcd588b02a4a6d9d938ae896b68b8e.pdf?index=trueIn PDF document text
  • https://0863ad40-6f13-4ec5-80a6-9107ec4a9860.filesusr.com/ugd/3e7897_5752fb965c7144a09fe8ecd9527835ab.pdf?index=trueIn PDF document text
  • https://cdf7f12e-43bd-4f91-8237-00bc649d5073.filesusr.com/ugd/7d1dc9_958bc4da000d46109fb84903fb084e94.pdf?index=trueIn 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://www.gnu.org/licenses/gpl.htmlIn PDF document text

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