Malicious PDF — malware analysis report

Static analysis result for SHA-256 af2a1f4fb43119f3…

MALICIOUS

PDF

75.7 KB Created: 2022-04-16 05:51:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: 123b38bb9df9e393d1084cec8f7d2860 SHA-1: 1eb98373d2f7ebe7387ca92f3715580c500ad43a SHA-256: af2a1f4fb43119f303d050df03d78066adc66d032a67fb6d1b9802ac88f60e11
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9989

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://lovig.co.za/YmrXLWy8?keyword=is%20python%20machine%20learning PDF link annotation
    • https://gizalikujaxemif.weebly.com/uploads/1/3/4/6/134606641/cc51d3f0eaf9c.pdfIn PDF document text
    • http://epoptavky.com/is/images/FCKeditor/File/40189484511.pdfIn PDF document text
    • http://redagowanieprac.net/Upload/file/mipuxuzesikolinimenukepor.pdfIn PDF document text
    • http://massageindex.nl/images/uploads/1722581585.pdfIn PDF document text
    • http://nineslash.com/user_file/file/32717066959.pdfIn PDF document text
    • http://tesorosdelayer.net/imgs/images/files/21125543830.pdfIn PDF document text
    • http://conepe.org.br/public/ckeditor/kcfinder/upload/files/zidabodugigirinofeb.pdfIn PDF document text
    • https://accuratesearch.com/userfiles/file/nabexazakijaxexabeniwet.pdfIn PDF document text
    • https://www.3zslitomysl.cz/admin/editor/kcfinder/upload/files/1443471304.pdfIn PDF document text
    • http://bagiez.de/userfiles/file/78612853620.pdfIn PDF document text
    • https://wegofa.com/userfiles/file/69879864245.pdfIn PDF document text
    • https://dagukipaxezij.weebly.com/uploads/1/3/4/3/134352206/jeludumobo_jivepetefo_tedokuzeki_zubozosexixotej.pdfIn PDF document text
    • https://cursosadistanciayonline.com/medios/files/92628660387.pdfIn PDF document text
    • http://mybyblos.com/userfiles/file/mitaxig.pdfIn PDF document text
    • http://metafelix.it/userfiles/files/64503007016.pdfIn PDF document text
    • https://aurorabersinar2.com/contents/files/20733868341.pdfIn PDF document text
    • http://eventologia.com/userfiles/files/32948095930.pdfIn PDF document text
    • https://dampinggame.com/calisma2/files/uploads/70635968807.pdfIn PDF document text
    • http://kapelski.pl/userfiles/file/43607438107.pdfIn PDF document text
    • http://areawifi.com/DESARROLLO/userfiles/files/15342505570.pdfIn PDF document text
    • http://techbico.vn/uploads/image/files/50285411780.pdfIn PDF document text
    • https://lopuzidijunusi.weebly.com/uploads/1/3/4/3/134378181/gotefoxu.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c4af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC4AF 10888 bytes
SHA-256: e8d71161d2184e5ffc86333e12652c30db817a8a74da1a20c9fe8f307b266e33
font_01_sfnt_off0000ddb8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDB8 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000f5ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF5CA 16356 bytes
SHA-256: 208c82acdf2a9739516fcc6247221d6072381471fbfa94f31de1338208802853

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