Malicious PDF — malware analysis report

Static analysis result for SHA-256 6dfc7ac8e2c5567e…

MALICIOUS

PDF

306.5 KB Created: 2022-02-22 05:03:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-18
MD5: 587c6f58d2d41d1d91d7b592ba8ffa1e SHA-1: 98b552d51919f13b27220fb99e3a013e2829facd SHA-256: 6dfc7ac8e2c5567efc5d1addcb9f434c517a242889a0333af1583afc127bff90
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6874

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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.
  • 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://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/16200c47db510c---jogowozanaxefova.pdf In PDF document text
    • https://parklanehotel.asia/userfiles/file/vigajo.pdfIn PDF document text
    • http://re-ezumi.com/admin/kcfinder/upload/files/33391945055.pdfIn PDF document text
    • https://coverline.ro/userfiles/file/namekidedug.pdfIn PDF document text
    • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/49b584c5d64a5503307e98249400c2cb/10161998283.pdfIn PDF document text
    • http://websteravelandscaping.com/editorData/file/kivakokid.pdfIn PDF document text
    • http://srisbs.com/kcfinder/upload/files/70428027635.pdfIn PDF document text
    • http://itps-group.com/uploadfiles/file/xazokixititulaginitiba.pdfIn PDF document text
    • http://hotelpenza58.ru/ckfinder/userfiles/files/60991019074.pdfIn PDF document text
    • https://buyafranchise.org/files/files/31730181235.pdfIn PDF document text
    • https://uudanbury.life/files/file/dajudi.pdfIn PDF document text
    • https://washlounge.in/ckfinder/userfiles/files/rawuxezesuzusipaxax.pdfIn PDF document text
    • https://amadesafar.ir/basefile/amadesafarir/files/nadajis.pdfIn PDF document text
    • http://namdolove.com/FileData/ckfinder/files/20220206_47AB0488DAE37EAE.pdfIn PDF document text
    • http://bookblog.kr/data/file/files/14585177783.pdfIn PDF document text
    • https://path.mn/userfiles/files/bijanunejovakifular.pdfIn PDF document text
    • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160fe97acc3fbd---62305115149.pdfIn PDF document text
    • https://textosolutionslinguistiques.com/upload/editor/file/padanubo.pdfIn PDF document text
    • http://hzdsbg.cn/uploadfile/1633951574.pdfIn PDF document text
    • http://www.pattyn360.com/upload/forum/files/68925744709.pdfIn PDF document text
    • http://scard.vn/app/webroot/uploads/files/97689461796.pdfIn PDF document text
    • http://bolt-go77.com/fckeditor/userfiles/file/9765229445.pdfIn PDF document text
    • http://train-in-japan.com/images/blog//file/wifofoworepulutezoga.pdfIn PDF document text
    • http://jwpowerwashing.com/userfiles/file/74914340056.pdfIn PDF document text
    • https://vsetinrally.cz/userfiles/file/rudovimif.pdfIn PDF document text
    • https://fecuq.co.za/XSRYdR1H?utm_term=tamil+konar+guide+for+class+7PDF 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 extracted file (font_00_sfnt_off00044e11.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00044e11.bin)

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00044e11.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x44E11 10924 bytes
SHA-256: 5ef6d35bc6a74641364a7248b261bc182ec1e24b7cfc70c17c978e1d600f6ade
font_01_sfnt_off00046722.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x46722 1932 bytes
SHA-256: 78b0a163e4eaea4fd1c276a6e09b3ffe8714eb7cdf5cd8e6d31ca7f4d18684d2
font_02_sfnt_off00047004.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47004 19632 bytes
SHA-256: ca8e4830ea10e8d1248f8f139c7db8d9b7dd978bd39b9190cfe08b7d6926ce53
font_03_sfnt_off0004a3b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4A3B1 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9