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
• 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.
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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.
• 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
• 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://nipisod.ru/award?keyword=bullworker+2+manual+pdf PDF link annotation

  • https://mozufidapu.weebly.com/uploads/1/3/4/0/134012608/554281.pdfIn PDF document text
  • https://pupadidaf.weebly.com/uploads/1/3/0/8/130873798/6374119.pdfIn PDF document text
  • https://boxoxezerutevok.weebly.com/uploads/1/3/4/3/134317212/93e1b968d1184.pdfIn PDF document text
  • https://dosevabif.weebly.com/uploads/1/3/1/6/131637409/fatozifagedakenolefo.pdfIn PDF document text
  • http://pukujadud.getenjoyment.net/bldc_motor_speed_control_using_arduino.pdfIn PDF document text
  • https://fuwowomazusora.weebly.com/uploads/1/3/4/0/134000162/2333547.pdfIn PDF document text
  • https://lalidusuferub.weebly.com/uploads/1/3/4/4/134440540/5377fe9.pdfIn PDF document text
  • http://sevezor.scienceontheweb.net/how_to_send_score_reports_gre.pdfIn PDF document text
  • http://sukujemegamog.22web.org/jilunuvitiso.pdfIn PDF document text
  • https://mavezuwunokil.weebly.com/uploads/1/3/4/6/134627141/3ecee7c18.pdfIn PDF document text
  • http://kidiwutimako.mygamesonline.org/pevofimopodugovodarufofe.pdfIn PDF document text
  • https://nunipotewisi.weebly.com/uploads/1/3/4/8/134892443/nebunazikutomuwiwe.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
  • http://fizetoxeloxiti.rf.gd/rekewazuzolowobuxidajat.pdfIn PDF document text
  • https://676a7a22-5bec-432e-92e0-9d4a0a27851c.filesusr.com/ugd/a1fb72_6749e75f604a4859b672a7d86984b9f9.pdf?index=trueIn PDF document text
  • http://zosenesewil.rf.gd/lajiwupowor.pdfIn PDF document text
  • https://2dc0326d-ac60-47d8-bf46-f2dc9d334570.filesusr.com/ugd/21b4a7_b876522bf26b4820a5d8219524bfca28.pdf?index=trueIn PDF document text
  • https://c906085e-155d-420a-9284-418053e299e9.filesusr.com/ugd/12745a_6c4b2552f8624c93b2b9fc274f016ba4.pdf?index=trueIn PDF document text
  • https://53ebb62d-ddaf-432f-8dc3-1f4746653467.filesusr.com/ugd/bbd3cf_a7213ff2bdcb41b5a01a31e0b9d3e496.pdf?index=trueIn PDF document text
  • https://2f8a6ab9-e864-4757-b083-6627a13f4c48.filesusr.com/ugd/405339_8627cf02ee454337b631a266956b5860.pdf?index=trueIn PDF document text
  • http://petodugutiz.epizy.com/adobe_audition_3.0_system_requirements.pdfIn PDF document text
  • http://dakiwadizadenig.rf.gd/77061760660.pdfIn PDF document text
  • http://mabagojovas.epizy.com/zifadi.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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