Malicious PDF — malware analysis report

Static analysis result for SHA-256 7822ae745fb304c9…

MALICIOUS

PDF

70.0 KB Created: 2022-04-10 05:43:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: 73b0e3b80b0bcbded8adb0a3912ca12a SHA-1: 668b2f61da4bdf18145d68929f696ba8df4c5737 SHA-256: 7822ae745fb304c90829d4381823e628a05111552dce3dffb5809bff90c3af96
216 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • 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.
  • 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.
  • 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://fecuq.co.za/YmrXLWy8?keyword=braun%20digital%20ear%20thermometer%20thermoscan%205%20irt6500%20reviews PDF link annotation
    • https://astur.travelshops.pl/userfiles/file/87189336198.pdfIn PDF document text
    • https://jonexizuli.weebly.com/uploads/1/3/4/2/134235370/nemezixovib.pdfIn PDF document text
    • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1624392732d070---somipuge.pdfIn PDF document text
    • http://traslochimontalto.it/userfiles/files/girowimovew.pdfIn PDF document text
    • https://nikulagoronol.weebly.com/uploads/1/3/2/3/132303117/eb028e8ed5ee0.pdfIn PDF document text
    • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/161fd756a29b4c---suzerabixetit.pdfIn PDF document text
    • https://melugazeso.weebly.com/uploads/1/3/1/1/131164252/60b008d39587.pdfIn PDF document text
    • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16239d937281dd---danatapelaxun.pdfIn PDF document text
    • https://pajapuzewufivu.weebly.com/uploads/1/3/5/3/135305216/361d2a3.pdfIn PDF document text
    • http://vncanada.vn/uploads/files/nuzaxojimaw.pdfIn PDF document text
    • https://zusikemibuv.weebly.com/uploads/1/3/1/6/131606719/2302969.pdfIn PDF document text
    • https://femuxejafedanib.weebly.com/uploads/1/3/2/7/132740958/surareropubu_pojolitasuj.pdfIn PDF document text
    • https://dezirivudamowi.weebly.com/uploads/1/3/1/8/131856369/31cec9308.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 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_off0000a771.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA771 18072 bytes
SHA-256: 92c28f60f8beae320ad26423069f15e96ea23a16f6e56df961436fd7c848215f
font_01_sfnt_off0000d70b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD70B 11544 bytes
SHA-256: 29a40136d31a33843ae544efb59710a75357c2b22084e3c925763770a1432b42
font_02_sfnt_off0000f221.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF221 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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