Malicious PDF — malware analysis report

Static analysis result for SHA-256 191d7183c5f315e0…

MALICIOUS

PDF

95.3 KB Created: 2021-10-16 13:51:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22
MD5: 878a16a461468fe95acc074a5be49193 SHA-1: b48beb3b061829b81dc2180730e0f24e825efeef SHA-256: 191d7183c5f315e0c1ca4f0a5482ab7fb54f01e93cfa6a139b18ab67a0a2846f
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9820

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://susutour.com/userfile/file/62380977213.pdf In PDF document text
    • https://vishalahospitality.com/ckfinder/userfiles/files/56414757004.pdfIn PDF document text
    • https://marblobaths.com/app/webroot/img/files/41797811186.pdfIn PDF document text
    • http://aliceinformaticasrl.com/user/pages/wezufofapuramesabi.pdfIn PDF document text
    • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/9508cf3b38d0f8451d0deb9d2287ec5f/midosadu.pdfIn PDF document text
    • https://infoenergie-loire.org/userfiles/file/fajenodoripinapajunipuguk.pdfIn PDF document text
    • http://www.sanjuktabanerjee.com/fckimages/file/68045440701.pdfIn PDF document text
    • https://biocenfis.es/uploads/assets/file/49805076106.pdfIn PDF document text
    • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614bc48278ecb---xetemapesido.pdfIn PDF document text
    • http://dotacjedlaoze.pl/userfiles/file/25692452717.pdfIn PDF document text
    • http://sluchatka-shop.cz/files/upload/files/70298443677.pdfIn PDF document text
    • http://portableandcool.com/files/files/lurudovu.pdfIn PDF document text
    • http://cuuhoatudong.com/upload/files/14542297551.pdfIn PDF document text
    • http://biosafety.biz/ckfinder/userfiles/files/55034335748.pdfIn PDF document text
    • https://aventura-agence.lu/userfiles/files/6470835535.pdfIn PDF document text
    • http://goldenstarhotel.vn/images/uploads/files/44902214851.pdfIn PDF document text
    • http://123flower.doweb.kr/upload/files/62867383888.pdfIn PDF document text
    • https://mvmdigital.gr/files/files/suxatugoliletejiloguk.pdfIn PDF document text
    • http://bkht.vn/userfiles/file/dedomixetotiviwarejibole.pdfIn PDF document text
    • https://karate2.cdmedia.pl/userfiles/file/16474256475.pdfIn PDF document text
    • http://f-okinawa.com/img/tmp/files/72076115104.pdfIn PDF document text
    • https://oriental-kitchens.com/userfiles/files/fipatujokexinodorogur.pdfIn PDF document text
    • http://testplanet.nl/uploads/files/38280057942.pdfIn PDF document text
    • http://www.bash.cl/media/file/28150820025.pdfIn PDF document text
    • http://ruihuitax.com/files/file/gujeputufejifetumakupa.pdfIn PDF document text
    • https://orcasproje.com/userfiles/file/jewikegixejunapoxapabufi.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Gsjc/~3/EqozwcbAC44/uplcv?utm_term=justice+league+zack+snyder+online+freePDF 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_off00010a86.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A86 19352 bytes
SHA-256: 3326678ae2e61de0a0672c548d51e2f57ed674496aa24039ac8710bf70cfc1ac
font_01_sfnt_off00013dba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13DBA 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off000155d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x155D1 11008 bytes
SHA-256: 348431079dd71a5c0a67fb747918776fad41f5881b949a5cfdcb48d8f7cbba64

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