Malicious PDF — malware analysis report

Static analysis result for SHA-256 247dee41e4f11eea…

MALICIOUS

PDF

74.8 KB Created: 2021-03-01 06:03:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 67cf5ab645f06277e5d3e8432a2672cb SHA-1: b9d360cae9a610b01cbf87562287699eb64c8da4 SHA-256: 247dee41e4f11eeac66107b863d0a3887fbf349849c7623d17afc40a5ad2d8b6
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 6

  • 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.
  • 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://lozipotod.ru/award?keyword=what+should+my+vacuum+gauge+read PDF link annotation
    • https://nesibebinirudeb.weebly.com/uploads/1/3/5/3/135311353/wakar_penukemonin.pdfIn PDF document text
    • http://zufunepel.iblogger.org/gitosusiwo.pdfIn PDF document text
    • https://cdn.sqhk.co/letinumi/F3q0pjf/73045309910.pdfIn PDF document text
    • https://lerogufoporix.weebly.com/uploads/1/3/4/8/134885840/wulopakatisibum.pdfIn PDF document text
    • https://cdn.sqhk.co/zikonidenijo/jihgjgS/82020642373.pdfIn PDF document text
    • https://cdn.sqhk.co/rotuzuwibi/hghbYhe/disneyland_park_map_poster.pdfIn PDF document text
    • https://fajasorefasox.weebly.com/uploads/1/3/4/3/134348900/zuribeferas-zoxoxa-nusizokanowi-pajun.pdfIn PDF document text
    • https://mimevomakiket.weebly.com/uploads/1/3/4/6/134693464/pawoji.pdfIn PDF document text
    • https://sugovodeko.weebly.com/uploads/1/3/2/6/132681033/mapozinorafa.pdfIn PDF document text
    • https://fuwamelewupo.weebly.com/uploads/1/3/4/1/134131589/1bcc9335f9c5.pdfIn PDF document text
    • https://cdn.sqhk.co/romilononove/DejaS1u/80304288704.pdfIn PDF document text
    • https://bogilerilixami.weebly.com/uploads/1/3/5/3/135345361/jilokewej.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://xomapagovujux.atwebpages.com/outdoor_survival_knife_kit.pdfIn PDF document text
    • http://luniwopekesoto.rf.gd/diabetic_foot_assessment_template.pdfIn PDF document text
    • http://bexukavibume.myartsonline.com/16297549704.pdfIn PDF document text
    • http://vedewujesog.rf.gd/76161450838.pdfIn PDF document text
    • http://xadaxaxug.epizy.com/kanagadesuzeg.pdfIn PDF document text
    • http://petojijoxura.onlinewebshop.net/metal_gear_solid_1_pc_cheats.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e864.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE864 5528 bytes
SHA-256: 16e630c8dbab75d636e87c806c41672ca6900de1fd1ea816c8b5e34727f70c93
font_01_sfnt_off0000fb1a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB1A 10264 bytes
SHA-256: 97e67f285458c9f4e12c7aa8ff549aa85efe101820a6f22bef49be7230de8e9a

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