Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://crophysi.ru/wix?keyword=clear+vision+2+apk+revdl In PDF document text

  • https://wulelosen.weebly.com/uploads/1/3/5/9/135992808/a8d8e7e9e3.pdfIn PDF document text
  • http://privateguardingserviceagainstdanger.site/hanafuda_koi_koi_online_free5m9s6.pdfIn PDF document text
  • https://tumafivefaj.weebly.com/uploads/1/3/3/9/133999435/1370c543e.pdfIn PDF document text
  • https://gutazalofekeva.weebly.com/uploads/1/3/5/3/135395177/3714697.pdfIn PDF document text
  • http://reetodo.online/perfect_slice_mod_apk_revdl4pwm9.pdfIn PDF document text
  • http://trokot-online.xyz/sex_and_the_city_season_1_episode_5_watch_online_freeq34dl.pdfIn PDF document text
  • http://logoped-samara.ru/what_is_the_photosphere_layer_of_the_sun1ivv2.pdfIn PDF document text
  • https://niniteju.weebly.com/uploads/1/3/0/8/130814631/2605093.pdfIn PDF document text
  • https://lodirunesu.weebly.com/uploads/1/3/0/8/130874391/tojikixexovane_sokuwanutazij_vutoxefuxamim.pdfIn PDF document text
  • http://rentline.pro/attached_amir_levine_download5xd4b.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/nabifovu/arduino_setup_free_for_windows_10.pdfIn PDF document text
  • https://s3.amazonaws.com/gazivemon/divebavidadaxugonezarewe.pdfIn PDF document text
  • https://s3.amazonaws.com/nafibanefexex/90655899736.pdfIn PDF document text
  • https://s3.amazonaws.com/zibenoroduzuw/wow_tbc_moonkin_guide.pdfIn PDF document text
  • https://s3.amazonaws.com/golepe/61943574874.pdfIn PDF document text
  • https://s3.amazonaws.com/fuwenoxuzasila/algebra_1_textbook_houghton_mifflin_harcourt.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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