Malicious PDF — malware analysis report

Static analysis result for SHA-256 487e1b9c48a7a519…

MALICIOUS

PDF

71.7 KB Created: 2022-04-05 21:45:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-22
MD5: 448a68ac1975d03f983296c5f2ce9b2f SHA-1: b9543fc15b6a67c1b442180c96abc4d88d4c7026 SHA-256: 487e1b9c48a7a51968ab6426ea2467791c3a8dd8a402f276deafe6df95f0a62d
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://bavanakeburosot.weebly.com/uploads/1/3/5/3/135302165/8496c788f946b28.pdf In PDF document text
    • http://bjdfszwy.com/filespath/files/20220318185613.pdfIn PDF document text
    • https://kawamopusi.weebly.com/uploads/1/4/1/2/141218314/mojekokaluliz.pdfIn PDF document text
    • https://gonupedifi.weebly.com/uploads/1/3/4/5/134524362/vaxuge-nepufuwow-vigakesabi.pdfIn PDF document text
    • https://lixubirenolona.weebly.com/uploads/1/3/4/6/134669397/5029715.pdfIn PDF document text
    • https://jaloteke.weebly.com/uploads/1/3/4/0/134096083/6f507ca.pdfIn PDF document text
    • https://xidoxuzi.weebly.com/uploads/1/3/4/7/134707988/dopav-joxawizefizeze.pdfIn PDF document text
    • https://kexezesokofu.weebly.com/uploads/1/3/3/9/133986719/6a109a8585ae319.pdfIn PDF document text
    • http://tsraccountants.nl/mailing/images/photo/file/88548912884.pdfIn PDF document text
    • https://kebezade.weebly.com/uploads/1/3/4/4/134479439/3516151.pdfIn PDF document text
    • http://yishiweb.com/upfiles/files/20220202_045822.pdfIn PDF document text
    • https://fenazimo.weebly.com/uploads/1/3/4/4/134437137/lajuxatox.pdfIn PDF document text
    • https://laguwiba.weebly.com/uploads/1/3/4/7/134719839/kutufisaworoj-mafow.pdfIn PDF document text
    • http://wyadonline.com/userfiles/file/jipifubefesixumugoxu.pdfIn PDF document text
    • http://patronusalapitvany.hu/public_html/upload/23710631914.pdfIn PDF document text
    • https://felevigapoboxoj.weebly.com/uploads/1/3/5/2/135299972/luwetoxi.pdfIn PDF document text
    • https://rufajesovulibo.weebly.com/uploads/1/3/4/2/134235528/dakelelobup.pdfIn PDF document text
    • https://bdblue.com/ckfinder/userfiles/files/dexune.pdfIn PDF document text
    • https://sebazolilerop.weebly.com/uploads/1/3/0/8/130874482/zebupag.pdfIn PDF document text
    • http://daedukgs.com/admin/fckeditor/data/file/20220221092710.pdfIn PDF document text
    • https://semukozev.weebly.com/uploads/1/3/4/4/134493414/sexabaluj.pdfIn PDF document text
    • https://lovig.co.za/YmrXLWy8?keyword=architectural%20research%20methods%202nd%20editionPDF link annotation
    • https://dawujorukola.weebly.com/uploads/1/3/4/6/134683436/xivofosuvifekaz.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 extracted file (font_00_sfnt_off0000b33c.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000b33c.bin)

Related samples 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b33c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB33C 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000cb53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB53 10836 bytes
SHA-256: 224b9ce584b6749118181ddf0f0d551839d79d315c2ee942f1330edaede6d5f8
font_02_sfnt_off0000e436.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE436 16504 bytes
SHA-256: 48a6fe349ac8497fc9f4a3efecf043adc3650f574fb8b34ff5683bd2ee6cabec

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