Malicious PDF — malware analysis report

Heuristics 5

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://xezojetit.ru/strik?utm_term=what+is+the+strongest+intermolecular+force+in+ethanol PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4402953/normal_6026c0f888d32.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377678/normal_6059435653966.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4423189/normal_6032b92e41825.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417526/normal_6058babd70b98.pdfIn PDF document text
  • http://fly-drive.online/united_merchant_asset_recovery8576h.pdfIn PDF document text
  • http://gabixumupa.22web.org/android_studio_flutter_inspector.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4447880/normal_60571b64bb40f.pdfIn PDF document text
  • http://dimax.website/dufakijanegam0au6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4454299/normal_602589812cabe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4444123/normal_60495425b228e.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4376374/normal_5fed393ab9aad.pdfIn PDF document text
  • http://ogranifruit.space/happy_tree_friends_lumpywqeze.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4445743/normal_5fef69647da47.pdfIn PDF document text
  • http://fabanefefori.22web.org/garawazexuxoka.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4386824/normal_5ffa01680fd97.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://af30af13-e0b7-4de0-aca7-7783c01eade2.filesusr.com/ugd/9757e7_e45efefbcad94a7e839a5b7da049ce6b.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/3e7988dc-8c01-4596-b672-6a2578a0ee1b/odd_character_sheet.pdfIn PDF document text
  • http://kimirukuku.epizy.com/bidadari_tak_bersayap_cover_aviwkila.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/44146033-eca5-4a2d-ae11-a33d6af53298/51137152663.pdfIn PDF document text
  • http://zitovidenelanus.rf.gd/87968978335.pdfIn PDF document text
  • https://f538c46d-6aff-4997-95da-320e40b30403.filesusr.com/ugd/262ba4_411da256d8f84d09bd7c9c6fd4260d3b.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/f59eb04c-d498-4662-be7a-c810a479b5b6/3009032251.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/69cce0dd-c130-4a40-bd5e-a776bbfe2356/how_much_should_a_graphic_designer_charge_for_a_logo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6bccb78b-8f96-495b-b61d-e76654a88b1b/gate_2016_ece_marks_vs_rank.pdfIn PDF document text
  • http://sakigekoxigukil.epizy.com/systematic_thinking_for_social_action.pdfIn PDF document text
  • https://968bac2e-1409-45a7-bd11-2c37eba47390.filesusr.com/ugd/c81504_ca1d911ffac9403eb4bf4d1f136042fa.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

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