Malicious PDF — malware analysis report

Static analysis result for SHA-256 1289252ff1f55c7a…

MALICIOUS

PDF

70.3 KB Created: 2021-02-12 02:04:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: d5468f70e2695ebd5a3ee8c8f1f20715 SHA-1: 09ed008d8ff666ed1f7b9c98e6ee686863981947 SHA-256: 1289252ff1f55c7ae2c78ffef97a2f15d93b532ac4d8ce83cceeee8456df9b8e
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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=william+rodriguez+md PDF link annotation
    • https://wekosidofanepa.weebly.com/uploads/1/3/2/6/132696212/0402a8ddba80.pdfIn PDF document text
    • https://xanerenidijuv.weebly.com/uploads/1/3/0/7/130739333/ebdf4.pdfIn PDF document text
    • https://gakififevorejep.weebly.com/uploads/1/3/1/8/131872199/14adf3f1c2fcb.pdfIn PDF document text
    • http://prodit.space/65863841539c7vsn.pdfIn PDF document text
    • https://pilidikuvitas.weebly.com/uploads/1/3/4/7/134766888/munikubanikinovaso.pdfIn PDF document text
    • https://rasofenetiko.weebly.com/uploads/1/3/4/8/134862321/bigoditokade.pdfIn PDF document text
    • https://xadupokunarufi.weebly.com/uploads/1/3/2/7/132710624/tepev-jipofagemi-wavudojonigavom-kupuxesodile.pdfIn PDF document text
    • http://kotebebe.iblogger.org/vowoxosogovanodomedorud.pdfIn PDF document text
    • https://jipujiro.weebly.com/uploads/1/3/1/0/131069764/39ee4fd4f4dc456.pdfIn PDF document text
    • https://sovevalejuwup.weebly.com/uploads/1/3/1/8/131858043/xowiwefaxugoxan.pdfIn PDF document text
    • https://rabifupokuwu.weebly.com/uploads/1/3/1/1/131164250/1101a0.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
    • http://baruluzibovog.epizy.com/paper_craft_template_animal.pdfIn PDF document text
    • http://voduvurikijo.rf.gd/81957657543.pdfIn PDF document text
    • http://mazogatu.epizy.com/856600451.pdfIn PDF document text
    • http://mudusogej.epizy.com/nibidurudeleno.pdfIn PDF document text
    • https://s3.amazonaws.com/rumezo/blewbury_school_ofsted_report_2019.pdfIn PDF document text
    • http://xojakejib.epizy.com/molewegipisasop.pdfIn PDF document text
    • https://s3.amazonaws.com/nefunupu/43417822154.pdfIn PDF document text
    • http://kubumoran.rf.gd/bondhurey_song_ringtone.pdfIn PDF document text
    • https://s3.amazonaws.com/suximawo/dritherm_37_data_sheet.pdfIn PDF document text
    • https://s3.amazonaws.com/gatazeromij/85513223652.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_off0000cbbc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCBBC 4728 bytes
SHA-256: 916bf11481dff652341723f99ce7d4273d3326e1771feb2765f525ddcdce8a98
font_01_sfnt_off0000dbd0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDBD0 9940 bytes
SHA-256: 6f7c74770939890a0dc62317029fd6e0681694a6125d6382e20415fd66f96ef9
font_02_sfnt_off0000fdeb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFDEB 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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