Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7af5e1a717d775c…

MALICIOUS

PDF

66.2 KB Created: 2021-01-31 17:02:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 404a8e775dfddffc56415b4013a72406 SHA-1: 30f5e56dc51650d89372681e87bc611f3cc2ded1 SHA-256: e7af5e1a717d775cc38d83d347ab2dea307b1bde9338ee0152865dd909f5008f
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • 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 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://baarspo.ru/wb?keyword=likee%20apk%20download%20jio%20phone PDF link annotation
    • https://nogigeto.weebly.com/uploads/1/3/4/6/134665346/bevomejiruporuxo.pdfIn PDF document text
    • http://xofajenakimexo.iblogger.org/15531670624.pdfIn PDF document text
    • https://jesuzexujugom.weebly.com/uploads/1/3/0/7/130776612/defexawafam-gopix-jigopawu.pdfIn PDF document text
    • https://cdn.sqhk.co/vibebexez/ROblibS/huawei_health_app_not_working.pdfIn PDF document text
    • https://cdn.sqhk.co/numokafas/buK8hem/18963865105.pdfIn PDF document text
    • https://cdn.sqhk.co/kinanekoxo/LgdkjcB/tuberculosis_definition_ppt.pdfIn PDF document text
    • http://trendmobile.ru/tagasutiodlim.pdfIn PDF document text
    • https://cdn.sqhk.co/benibavagoge/eTiipgd/66772646209.pdfIn PDF document text
    • http://wavasesinile.22web.org/risafewaxomovuzexusuwabu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://lekinip.epizy.com/lavugowekes.pdfIn PDF document text
    • http://zojimako.rf.gd/2_digit_multiplication_worksheet_generator.pdfIn PDF document text
    • http://zubikexef.rf.gd/luxation_acromio_claviculaire_traitement.pdfIn PDF document text
    • http://javasuk.epizy.com/wodugemikojuwaxusoser.pdfIn PDF document text
    • http://wawaxujogoned.rf.gd/80974715960.pdfIn PDF document text
    • https://s3.amazonaws.com/gujutavevive/bafinobog.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_off0000c67e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC67E 4948 bytes
SHA-256: 8892acc1516e7377bd5eeeedb90048e53e086705f634075393f530304758a397
font_01_sfnt_off0000d76d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD76D 10752 bytes
SHA-256: aafd7313e51022fb6ba6319baa762d2a75e11ced37ca4771bf49a05e95e80dd4