Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d8b8b63ef2ff998…

MALICIOUS

PDF

94.7 KB Created: 2022-04-18 23:39:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: 5dcc861afdd4926b1116f7180a914a7e SHA-1: 86605c9ee9215d649693a5062d12e97beecb0d21 SHA-256: 5d8b8b63ef2ff998e86791939aca25d8647e73f673e6984d2bdabc6e723429bc
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9947

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://fecuq.co.za/YmrXLWy8?keyword=how%20to%20convert%20mp3%20to%20midi%20online PDF link annotation
    • http://www.podunajsko.sk/app/webroot/ckeditor/kcfinder/upload/files/4819814925.pdfIn PDF document text
    • https://gipadakox.weebly.com/uploads/1/3/4/8/134884067/acbd95fa.pdfIn PDF document text
    • http://www.banzolaassociati.com/gestlab/kcfinder/upload/files/fosawugibegutono.pdfIn PDF document text
    • http://rivebistro.net/ckfinder/userfiles/files/sigodikip.pdfIn PDF document text
    • https://grandplaza.bg/uploads/assets/file/64984848977.pdfIn PDF document text
    • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/fa51175ac13918b1ef5ed08ebe46a7bc/jinesigaxopufasateja.pdfIn PDF document text
    • https://berker-rozetki.su/kcfinder/upload/files/16516161935.pdfIn PDF document text
    • https://pezolorizogor.weebly.com/uploads/1/3/4/6/134692003/7807069.pdfIn PDF document text
    • https://filewefoxu.weebly.com/uploads/1/3/4/7/134750201/rulijul.pdfIn PDF document text
    • http://tokstar.com/_UploadFile/Images/file/wudunedozaraxi.pdfIn PDF document text
    • http://escrima-rlp.de/userfiles/file/45026459029.pdfIn PDF document text
    • http://investbuild.ru/var/upload/file/beganiwapowopojatabe.pdfIn PDF document text
    • https://damerararavobob.weebly.com/uploads/1/3/4/6/134693978/4655994.pdfIn PDF document text
    • http://digitalpolicycouncil.com/imagenes/file/64245537558.pdfIn PDF document text
    • http://lj-group.cn/upload/files/zojoxixafevelifumuxoxo.pdfIn PDF document text
    • https://viduxetejogat.weebly.com/uploads/1/3/4/6/134600114/06835a72057.pdfIn PDF document text
    • https://dapodufez.weebly.com/uploads/1/3/3/9/133997146/nitugaj.pdfIn PDF document text
    • http://grk.rigel-regensburg.de/upload/files/zinezafa.pdfIn PDF document text
    • http://arborspringsforestry.com/img/files/fajudi.pdfIn PDF document text
    • https://tidovikazixuwuj.weebly.com/uploads/1/3/4/3/134316919/8242059.pdfIn PDF document text
    • http://xn----7sba5bgeydgh6hd.xn--p1ai/upload/files/taresuvewuj.pdfIn PDF document text
    • http://taiwan-tsai.com/upload/files/5051522846.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_006_off0001360d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1360D 29424 bytes
SHA-256: 0aaccf82126f4d537cf13e9172b417aca73efaf944af5aa9700c67cd8ea3e95a
font_00_sfnt_off0000d8e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD8E0 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000f0f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0F2 17144 bytes
SHA-256: fe8e074578cc0135c3dd95a18dff61fa19e19f2f46fd8215383feb1211892a71
font_02_sfnt_off00011dac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11DAC 10660 bytes
SHA-256: 3511e5e5feaf56ca4800bda161fcf2f3daaf54aff92be9024a76b7cce0ad6644

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