Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3ec3b8019f2223f…

MALICIOUS

PDF

69.5 KB Created: 2021-09-28 09:17:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: e182b0984dc85379f7d2e177bf4322c5 SHA-1: 18bc927ae0705ba597d1136207a3a23548f7ac9b SHA-256: d3ec3b8019f2223f566045e897aa10aad1879d3084aa18fd550e514596920484
164 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://www.akilciilacdernegi.com/ckfinder/userfiles/files/wuzubuvizel.pdf In PDF document text
    • https://takarasushimn.com/userfiles/files/fitituwusipadap.pdfIn PDF document text
    • http://f-okinawa.com/img/tmp/files/17534524017.pdfIn PDF document text
    • http://ketoanantamhcm.com/uploads/files/kibitimivevukipokadipisaf.pdfIn PDF document text
    • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c1a0b936a3---dujegopujamonanevabu.pdfIn PDF document text
    • http://careerpathrecruitment.com/swapscan/app/webroot/js/ckfinder/userfiles/files/rivovovuvofetorekolozuxa.pdfIn PDF document text
    • http://labellebeaute.com.hk/ckfinder/userfiles/files/24729832308.pdfIn PDF document text
    • http://thsport.dk/ckfinder/userfiles/files/77344199715.pdfIn PDF document text
    • http://xboxheerlen.nl/userfiles/file/4957611362.pdfIn PDF document text
    • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161421cacd1b6f---giputojozakoz.pdfIn PDF document text
    • https://kirmatas.com/userfiles/file/96975862663.pdfIn PDF document text
    • http://pm-property.pl/userfiles/file/noxitasasixewi.pdfIn PDF document text
    • http://aczelzalog.hu/tmp/85518400748.pdfIn PDF document text
    • http://testsitehq.com/ckeditor-ckfinder-integration/uploads/files/fasovi.pdfIn PDF document text
    • http://puntolinea.org/userfiles/files/kaduzefijupib.pdfIn PDF document text
    • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133e584438a9---16214604500.pdfIn PDF document text
    • http://krr-nfe.com/suratnfe/UserFiles/File/sakuzuzofoxesinemuwovanab.pdfIn PDF document text
    • http://fencefactoryny.com/userfiles/file/jijewigununujepopar.pdfIn PDF document text
    • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1613793a92dc72---67601503838.pdfIn PDF document text
    • http://dpholding.ru/uploads/files/sirulumim.pdfIn PDF document text
    • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612e9da42fc45---17598636463.pdfIn PDF document text
    • https://anbc31.iscriptscloud.com/app/webroot/files/file/90445523489.pdfIn PDF document text
    • http://cukorbetegshop.hu/files/37144646263.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=avengers+endgame+watch+online+123PDF 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_off0000aeeb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAEEB 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000c702.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC702 11296 bytes
SHA-256: 1fca954a3521ea1c2fe316ae8d6f70f99238bf351dfe21d0f25dfa26c1f85a89
font_02_sfnt_off0000e15f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE15F 14908 bytes
SHA-256: 30a7744cf13b9ceaa4f482ef0358cc2d51e20020bd8a85a233d6afdd1118cd4b