Malicious PDF — malware analysis report

Static analysis result for SHA-256 5602df52d82f33c7…

MALICIOUS

PDF

84.0 KB Created: 2021-02-22 05:40:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-17
MD5: fca4d56e4ab19e0ce8cbfff16a0de0c1 SHA-1: 5e633787883252ecb2c621f92a5289e14a3959a5 SHA-256: 5602df52d82f33c72bd169e873a21ffb337c549bb876af4442baf27d2110ffb5
244 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
  • 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://yafferge.ru/strik?utm_term=how+to+lose+weight+1000+calories+a+day In PDF document text
    • https://lupilonugugi.weebly.com/uploads/1/3/1/6/131637558/velexedet_zunexozi_wilakelovesoker_bepekuzizakis.pdfIn PDF document text
    • https://gurugurib.weebly.com/uploads/1/3/1/3/131384113/disavu-kagazajax-popowuvakuwaxe-bopudepagex.pdfIn PDF document text
    • https://xubivotalo.weebly.com/uploads/1/3/0/7/130775972/vobut_bisap_matijugi.pdfIn PDF document text
    • https://fukuzodi.weebly.com/uploads/1/3/5/3/135329923/29bfb.pdfIn PDF document text
    • https://cdn.sqhk.co/vulovosovem/iZhcifp/41112899221.pdfIn PDF document text
    • http://shmelev.pro/forbes_travel_guide_jennifer_kesterbvvbo.pdfIn PDF document text
    • https://cdn.sqhk.co/damukowabij/OgfBLAL/60243531869.pdfIn PDF document text
    • http://perevod24-card2card.site/vufejagetonufefariny8hig.pdfIn PDF document text
    • http://kupivse.xyz/37316112132xw9lz.pdfIn PDF document text
    • https://cdn.sqhk.co/kofosenolo/dhh31Yv/23669611441.pdfIn PDF document text
    • https://dubekanenek.weebly.com/uploads/1/3/3/9/133997540/petike-badur-bewoxupuga.pdfIn PDF document text
    • http://idslim-italia.site/an_ember_in_the_ashes_chapter_summariesbbaxp.pdfIn PDF document text
    • https://cdn.sqhk.co/sabumijobude/yRgi2ib/police_vs_car_escape.pdfIn PDF document text
    • https://banafazag.weebly.com/uploads/1/3/4/3/134325205/3ec6e.pdfIn PDF document text
    • http://avto-document.site/kemajenivimazadug89x2.pdfIn PDF document text
    • https://dobivevoxopu.weebly.com/uploads/1/3/1/4/131453544/9138137.pdfIn PDF document text
    • https://cdn.sqhk.co/jiluputumusi/qyjfiit/mobile_phone_ringtone_only_music.pdfIn PDF document text
    • https://cdn.sqhk.co/nivatasob/2nFhce9/nutuvidafibeje.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010beb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10BEB 5552 bytes
SHA-256: 5f61596b3373a237564c24a4282dba94227b98d597e4d729797651ff1e11430f
font_01_sfnt_off00011ee1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11EE1 10528 bytes
SHA-256: 169df4465b22dd1f3a905e3db3b6e269b50da8a598cb4f73b80b8fe17dc5aeb7

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