Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2160bced300079b…

MALICIOUS

PDF

72.3 KB Created: 2021-02-24 19:48:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 8fe6b11c8e749cf813192cc1692bd6e0 SHA-1: 93a775970dd53df6ffe6b03d4bd96123e7add99e SHA-256: c2160bced300079b0bae2bb61f12d9098da6be4c4807824f5c221053719b0fd2
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • 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://jacksth.ru/wix?keyword=nier+automata+unit+data+guide PDF link annotation
    • http://vazawujuzu.sportsontheweb.net/5_languages_of_love_gary_chapman_test.pdfIn PDF document text
    • https://wuganinaviset.weebly.com/uploads/1/3/1/8/131871642/a0fd6911318d.pdfIn PDF document text
    • https://cdn.sqhk.co/torujazelome/gf3DheT/8731125279.pdfIn PDF document text
    • https://fevujuwevu.weebly.com/uploads/1/3/0/8/130813851/delosenog_semomi.pdfIn PDF document text
    • https://cdn.sqhk.co/gujadozede/ieSy4dm/sipizejesujomap.pdfIn PDF document text
    • https://kazowajobizitat.weebly.com/uploads/1/3/0/7/130775795/2593905.pdfIn PDF document text
    • http://xorabawik.medianewsonline.com/56443163732.pdfIn PDF document text
    • https://cdn.sqhk.co/vebapejun/9K6gegg/7_wonders_of_the_world_2020_philippines.pdfIn PDF document text
    • https://cdn.sqhk.co/bugininaxi/cFjjibN/kabarepiwek.pdfIn PDF document text
    • http://mapotilij.mygamesonline.org/53837163478.pdfIn PDF document text
    • https://sinipipa.weebly.com/uploads/1/3/0/8/130874509/xilutakupusorirademe.pdfIn PDF document text
    • http://gosoxegekiri.mywebcommunity.org/ecuaciones_de_segundo_grado_ejemplos_con_grafica.pdfIn PDF document text
    • https://xikunozazoteta.weebly.com/uploads/1/3/1/4/131453294/8442835.pdfIn PDF document text
    • https://toripifisesu.weebly.com/uploads/1/3/4/3/134367164/8573287.pdfIn PDF document text
    • https://zuwiliwiwira.weebly.com/uploads/1/3/1/0/131071082/1712631.pdfIn PDF document text
    • https://bufudelazevel.weebly.com/uploads/1/3/4/7/134734798/3202043.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://dasiletu.epizy.com/39015564441.pdfIn PDF document text
    • http://vekibavekuje.epizy.com/2548957527.pdfIn PDF document text
    • http://bosirizowu.rf.gd/vegas_pro_16_full_crack.pdfIn PDF document text
    • http://bixogonabu.epizy.com/equilibrium_constant_worksheet.pdfIn PDF document text
    • http://fibalikirikoti.epizy.com/imovie_tutorial_iphone_2018.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_off0000de1c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE1C 4904 bytes
SHA-256: 809e88bdc2648fedca88818b3c05ac41f5660d16c4cae26ae715732e1cdc9ae1
font_01_sfnt_off0000eeb7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEB7 10968 bytes
SHA-256: af243e06cc7476aec890ccf2b2c297728b17633e492fc3495373d410da7d9690

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