Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://dafemum.ru/wix?keyword=estimating+fractions+worksheet+with+answers In PDF document text

  • https://cdn-cms.f-static.net/uploads/4487647/normal_604404ac21b4b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426416/normal_602f36b9849e8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4466370/normal_5fe6bbc691cfd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4496402/normal_604e2673e398b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4481509/normal_60327bb897bd4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4452835/normal_604d013278d5a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380072/normal_60551932b6b47.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4449014/normal_604a9db48aad3.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4486775/normal_5fdd0b9c7e3a8.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4474448/normal_5fc7270bce1b6.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://254b3b0b-79dc-4992-827c-fd4bb3db3178.filesusr.com/ugd/f515ca_4cd76bd22bc94645978ec3109bb5d8da.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/gawabog/kitanodomuzaxemujovewu.pdfIn PDF document text
  • https://4e33067b-0f13-4bed-bb9c-ea95f768fd7c.filesusr.com/ugd/23924c_3ff34d1fe85147dfbc2b3e4a7ac5ade2.pdf?index=trueIn PDF document text
  • https://527ed197-5826-4432-9c89-449afa9d705e.filesusr.com/ugd/65ef70_81a3e5888632428c9ba40a505dae5cbd.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/dezajok/benaam_rishta_woh_ringtone.pdfIn PDF document text
  • https://s3.amazonaws.com/bivanud/91166974536.pdfIn PDF document text
  • https://1423d76f-a56f-4481-bf87-726e17039346.filesusr.com/ugd/14aee2_7972cd98568b401c82265ac83a2b02c3.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/f8857684-ee3e-4a0a-89ab-a302cb557918/millard_erickson_christian_theology_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/af663ee6-ce82-4d95-90d8-80be76f790fe/marcy_recumbent_exercise_bike_with_resistance_me-709_youtube.pdfIn PDF document text
  • https://af6bd0e1-9fb2-4c52-b6e5-df6188d17e94.filesusr.com/ugd/771d18_963658a8921a45698e01c6c219478257.pdf?index=trueIn PDF document text
  • https://6d5fec37-5936-4ae8-8938-03a86e982f09.filesusr.com/ugd/d4da64_7b81d2298b404e0795921940507cea08.pdf?index=trueIn PDF document text
  • https://fb9345b8-40be-4608-a8ff-9c5427dba92f.filesusr.com/ugd/98d639_d7479d4ca3764898a82e92b7e297b7fe.pdf?index=trueIn PDF document text
  • https://9e77dbea-16d6-438e-9859-4a68c5388828.filesusr.com/ugd/3225da_6c9ba105cb6143cb92507e7647fa2db7.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/4d518516-70d9-4368-9517-c024b86a12e1/dell_optiplex_3010_memory_upgrade.pdfIn PDF document text
  • https://7c9e9c40-2b96-4f88-8065-b5ff5e495659.filesusr.com/ugd/3bfcae_d9de0ca806e347b4bbcbbf5855e82795.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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