Malicious PDF — malware analysis report

Static analysis result for SHA-256 f87ad1c0b88bcdb9…

MALICIOUS

PDF

80.0 KB Created: 2021-10-05 15:06:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17
MD5: 340ec317f5c18ef5451df160c44d24a1 SHA-1: ebaa2abfe0ac8b43e119bd0ebf0aa8f52bb9839a SHA-256: f87ad1c0b88bcdb9211b6ca27d762ba5e420b5a504a234d8a61eb94788f5065e
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9968

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 http://hangnhatbanonline.com/upload/files/55541056882.pdf In PDF document text
    • http://haithuanphat.com/uploads/files/fuvulusirulibasuxoteva.pdfIn PDF document text
    • http://xn--o79av69abka850ab6c.com/upload/file/202109051153430483.pdfIn PDF document text
    • http://poney-club-romilly-aigre28.fr/userfiles/file/7018006520.pdfIn PDF document text
    • https://imihwa.com/uploads/image/20210926/files/20210926135006.pdfIn PDF document text
    • http://momsystem.ru/public/file/gukefojegut.pdfIn PDF document text
    • https://peterdegendt.be/file/jepagesavul.pdfIn PDF document text
    • https://ewdel.cz/ckfinder/userfiles/files/gugukusisaxuroj.pdfIn PDF document text
    • https://at1-turbo-j3t.com/contents/files/77450583921.pdfIn PDF document text
    • http://vyveva.eu/UserFiles/File/7558630387.pdfIn PDF document text
    • https://rpdev.org/ckfinder/userfiles/files/zumuxufurebuwijuberex.pdfIn PDF document text
    • https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/81e95a311b482c95daa936fad10418c8/761935996.pdfIn PDF document text
    • http://geombiagioschettino.eu/userfiles/files/81140664260.pdfIn PDF document text
    • http://benthanhsgfarm.com/images/uploads/files/58196026546.pdfIn PDF document text
    • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/0t4te8v94k1896vvdkccapfbk3/64858630123.pdfIn PDF document text
    • http://tapestry.cz/images/file/files/melerarevibos.pdfIn PDF document text
    • http://bisenzia.it/userfiles/files/33531958629.pdfIn PDF document text
    • http://gz-theoutfit.com/UploadFiles/FCKeditor/20210914135349.pdfIn PDF document text
    • http://sparan-art.ru/ckfinder/userfiles/files/ripuwekazopiravuga.pdfIn PDF document text
    • https://clearpatth.com/userfiles/file/zijizukoniluso.pdfIn PDF document text
    • http://mptech.vn/ckfinder/userfiles/files/sekovabutanujur.pdfIn PDF document text
    • http://esipro.be/userfiles/file/lenegobizo.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=jackie+robinson+and+pee+wee+reesePDF link annotation
    • 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_off0000d44e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD44E 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000ec65.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC65 10672 bytes
SHA-256: dd1b2130fb1ed9fae66c66848eccf34c28f17c6137e7f66933fad3a71571ed78
font_02_sfnt_off000104d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x104D1 17644 bytes
SHA-256: 3ce2297dbb77ee669d5540a5cf3b66ce5452b8caf32704ffa071fa006f99e8d1

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