Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d39981ef4670727…

MALICIOUS

PDF

82.5 KB Created: 2021-10-18 05:59:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-14
MD5: 64069458afbab5366511edce41d574b2 SHA-1: 7fc3acb6a5462049696a4f20742bd42ab395940f SHA-256: 0d39981ef4670727f5b177abafc88eed02c4beb467fb6ff4c190707306086c57
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9964

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 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://deborahmayerlawoffices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/47120670396.pdf In PDF document text
    • http://fuku-zou.com/userfiles/file/nefajibapodo.pdfIn PDF document text
    • http://gomientrung.vn/uploads/image/files/figowumosasafenogifome.pdfIn PDF document text
    • http://adice-area.com/pictures/files/186683800.pdfIn PDF document text
    • http://studiocommercialedelpiano.it/userfiles/files/petewefibowodolepowokabe.pdfIn PDF document text
    • http://delannahotel.com/user_img/file/52096607045.pdfIn PDF document text
    • http://hndgyl.com/v15/Upload/file/20211017231317348.pdfIn PDF document text
    • http://www.pattyn360.com/upload/forum/files/46015739373.pdfIn PDF document text
    • https://quangcaowebsite.xemlaco.com/uploads/files/93149814903.pdfIn PDF document text
    • http://www.prakashirrigation.com/uploads/fck/files/49738510754.pdfIn PDF document text
    • https://kuwaitpolyurethane.com/ckfinder/userfiles/files/nibamuzifokuku.pdfIn PDF document text
    • http://shqinze.net/admin/upimg/file///gozodubab.pdfIn PDF document text
    • http://euphoriaclub.fun4two.pl/uploads/assets/file/88547734468.pdfIn PDF document text
    • https://alpinismbihor.ro/app/webroot/files/userfiles/files/matibuzorove.pdfIn PDF document text
    • https://transdeliveris.lt/userfiles/file/fopifodigawigo.pdfIn PDF document text
    • http://glassick.com/userfiles/file/zefugezalivogigivume.pdfIn PDF document text
    • http://synergytaekwondo.com/click2buy_newp/userfiles/file/12940126417.pdfIn PDF document text
    • http://louisamerino.com/userfiles/file/8519791347.pdfIn PDF document text
    • https://bruceautoservice.com/files/file/97333670373.pdfIn PDF document text
    • http://sun-green.eu/ckfinder/userfiles/files/miwujisozumamuxiber.pdfIn PDF document text
    • https://bokaichenyu.com/upload/files/38280551551.pdfIn PDF document text
    • http://innotack.com/userfiles/files/47899128496.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Gsjc/~3/cmwvf4RlXg4/uplcv?utm_term=hard+quiz+questions+and+answers+general+knowledgePDF 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_off0000dcf6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDCF6 18084 bytes
SHA-256: 1f14e3a790280502c7d1ab1fd61533c3770c278b0f543ab42f4d0ea4a256ca05
font_01_sfnt_off00010b5b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10B5B 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00012372.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12372 10896 bytes
SHA-256: 2b834b6d01d1d24e50a5f78022ba0c4e1163a0c0dd948b1d5a4033e812ae551c

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