Malicious PDF — malware analysis report

Static analysis result for SHA-256 4415208c6e150308…

MALICIOUS

PDF

75.1 KB Created: 2022-04-22 22:38:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-05
MD5: c65ea04684dac5b34d323f86469c5746 SHA-1: 66b230510b46119156cfa382f9b8797339f36aeb SHA-256: 4415208c6e1503084566aa6414a600e8d078b2118ff28273e74f8be10b7c1f82
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9947

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 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://wixetaduzem.weebly.com/uploads/1/3/4/4/134471786/1455578d66c66.pdf In PDF document text
    • http://vp-concept.ch/app/webroot/kcfinder/upload/files/lusuvabo.pdfIn PDF document text
    • https://kavovukabej.weebly.com/uploads/1/3/4/6/134621515/midujakogibadifajo.pdfIn PDF document text
    • https://www.trungtammaychieu.com/ad-min/js/libs/kcfinder/upload/files/rapatomesoxegili.pdfIn PDF document text
    • http://2017.letnifestiwal.pl/ckfinder/userfiles/files/tibonitosotedovaburaz.pdfIn PDF document text
    • http://openendrep.com/userfiles/files/vofuxafogupumom.pdfIn PDF document text
    • http://indyskischool.com/ckfinder/userfiles/files/gukexolufofewok.pdfIn PDF document text
    • http://bighost.vn/uploads/userfiles/file/febatuvevajitaxuzow.pdfIn PDF document text
    • https://zoorichi.com/temp/fckeditor/file/vojub.pdfIn PDF document text
    • https://bluetact.com/locktactyuma/userfiles/file/riloxemijipisaxaririsi.pdfIn PDF document text
    • https://ls-machinery.com/uploadpic/files/202203291608487682.pdfIn PDF document text
    • http://eur-idea.com/userfiles/file/xuzaxikawu.pdfIn PDF document text
    • http://greenpeace.aboutgiving.net/sites/default/files/editor/file/74512689670.pdfIn PDF document text
    • https://wemawamirake.weebly.com/uploads/1/3/5/9/135959397/4714622.pdfIn PDF document text
    • http://educasters.co/ckfinder/userfiles/files/zerokir.pdfIn PDF document text
    • http://copy-office.it/userfiles/file/28596636806.pdfIn PDF document text
    • https://jizufuvarax.weebly.com/uploads/1/3/1/1/131164460/vugufozij.pdfIn PDF document text
    • https://www.procotech.be/ckeditor/kcfinder/upload/files/lefamovuxokobulef.pdfIn PDF document text
    • http://nijiclothing.com/assets/ckeditor/kcfinder/upload/files/dodazinaxenufija.pdfIn PDF document text
    • https://www.amazoniaon.com.br/assets/js/ckeditor/kcfinder/upload/files/nimodelinaregokusux.pdfIn PDF document text
    • http://qts.pandae.biz/views/images/sign/file/pozekuladogatomafevukudof.pdfIn PDF document text
    • https://tesegedoveveda.weebly.com/uploads/1/3/4/8/134891870/5515779.pdfIn PDF document text
    • https://kisetujetu.weebly.com/uploads/1/3/2/8/132814277/wolajowadu.pdfIn PDF document text
    • https://ij-ph.com/admin/SchoolFiles/files/93578343351.pdfIn PDF document text
    • https://mifuj.co.za/YmrXLWy8?keyword=brady%20bmp21-plus%20label%20printerPDF link annotation
    • https://damajarulapo.weebly.com/uploads/1/3/0/7/130738748/vinejavexi-zupakazew-buwopanoxutilo-wetuxoxusagime.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_off0000c03a.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c03a.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c03a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC03A 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000d84c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD84C 17368 bytes
SHA-256: 9405c47d16272f052c9218591b81dfb4d2ae233ec458f0e855179360c1e85d73
font_02_sfnt_off00010557.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10557 11048 bytes
SHA-256: a0bc96149af98cb916432500cdd04702b4667a30d0c8633d112db9bde6c51c51