Malicious PDF — malware analysis report

Static analysis result for SHA-256 42fee5614c1839fd…

MALICIOUS

PDF

68.5 KB Created: 2021-02-24 03:41:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: f5917f67bc04e7196cf6d2d67e26bae5 SHA-1: 3d32cff2ff92d678ac087d5be57bfbf11ff2cc4d SHA-256: 42fee5614c1839fdea1d4809ad13cdf6e3d59461e9da3a23b0085bad5be10194
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://druttle.ru/wix?keyword=fascism+rises+in+europe+answers PDF link annotation
    • http://lidedapomegila.iblogger.org/39254342337.pdfIn PDF document text
    • https://wifiluguzuz.weebly.com/uploads/1/3/1/4/131437957/5652364.pdfIn PDF document text
    • https://cdn.sqhk.co/vuzefegevo/jfib85X/19979818632.pdfIn PDF document text
    • https://nemapawa.weebly.com/uploads/1/3/0/9/130969411/1108393.pdfIn PDF document text
    • https://wujipiledulom.weebly.com/uploads/1/3/4/6/134695719/7343921.pdfIn PDF document text
    • http://ponezivugatub.22web.org/canon_pixma_ip7240_cd_print_software.pdfIn PDF document text
    • https://cdn.sqhk.co/dabelego/KLIhdTR/urban_counter_zombie_warfare.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387036/normal_6016fc51d8234.pdfIn PDF document text
    • http://risurevisawibe.iblogger.org/zofowa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451045/normal_6023c1084d274.pdfIn PDF document text
    • https://bokakarepexopo.weebly.com/uploads/1/3/4/7/134750167/5331484.pdfIn PDF document text
    • https://zaxizibu.weebly.com/uploads/1/3/4/6/134672664/bogejodapog.pdfIn PDF document text
    • https://pawonojureva.weebly.com/uploads/1/3/4/5/134522231/430747cd8.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
    • https://s3.amazonaws.com/fizaxo/vavajagabuz.pdfIn PDF document text
    • http://rivadejupogutun.epizy.com/koro_sensei_human_form.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c608.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC608 4896 bytes
SHA-256: c761544d6098802230018e346b5dd26750e085bcc94ffbaec60c7ed5e842caa9
font_01_sfnt_off0000d695.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD695 9452 bytes
SHA-256: 63e3a176478ed5a96e6320c00f5d09df3d8243853a3ea3ff0dc1061bd761424a
font_02_sfnt_off0000f6ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF6FF 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3