Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7cfc69adb85f7fd…

MALICIOUS

PDF

67.9 KB Created: 2021-12-14 03:01:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-22
MD5: 3ca11a47300e5cb5244c9149739b45d9 SHA-1: 9e25dcd5e7908aae34a4402debaa25d1f71ff18a SHA-256: e7cfc69adb85f7fd197b95d24dc8dc938d0f5d2c65d9f24bf25a5c235f9d70e4
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9986

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 https://stichtingech.org/ckfinder/userfiles/files/kazifixenajozojiwer.pdf In PDF document text
    • http://bjhtdszdh.com/v15/Upload/file/2021111616966999.pdfIn PDF document text
    • http://dichvutheapec.com/upload/FCK/file/23297208449.pdfIn PDF document text
    • http://paroissedementon.fr/upload/files/23633164764.pdfIn PDF document text
    • http://pantipplaza.com/userfiles/file/19402531892.pdfIn PDF document text
    • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161b5333f14523---nabagudinuzopodigopu.pdfIn PDF document text
    • http://rbc-bezorgdiensten.nl/upload/5702045388.pdfIn PDF document text
    • http://dc-da27577df984.duragloss.pl/userfiles/file/jevegusonoverebasodisabe.pdfIn PDF document text
    • http://vipnovini.bg/root/f/uploads/files/55047315813.pdfIn PDF document text
    • http://f-okinawa.com/img/tmp/file/54266861462.pdfIn PDF document text
    • http://rbmtechnik.pl/userfiles/file/96242697809.pdfIn PDF document text
    • http://lerucherdesanges.fr/userfiles/file/9111928196.pdfIn PDF document text
    • https://apelhijau.com/contents/files/dibakepafukatubedemoges.pdfIn PDF document text
    • https://sanmuabandoanhnghiep.org/images/content/files/buzererotetusezuwanejet.pdfIn PDF document text
    • https://sua.vn/uploads/userfiles/file/76254215005.pdfIn PDF document text
    • https://unaizahic.com/Files/files/67236123382.pdfIn PDF document text
    • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138f819dceb8---gubesixalupuruwineru.pdfIn PDF document text
    • http://zhongjiukeji.com/upload_fck/file/2021-11-19/20211119214606961886.pdfIn PDF document text
    • https://hoangphatdanang.com/uploads/image/files/sajewiminogos.pdfIn PDF document text
    • https://electroagro.es/pub/files/varewogotezinumowufejozo.pdfIn PDF document text
    • https://archism.ru/uplcv?utm_term=acer+1080+laptop+walmartPDF link annotation
    • http://parbatsamajjapan.com/img/files/files/36394598535.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_off0000a421.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000a421.bin)

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000a421.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA421 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off0000bac5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBAC5 10620 bytes
SHA-256: cb9f33bad4468e7babea7f32c708b131768f123cdf4a4b36a805777889c5b17c
font_02_sfnt_off0000d341.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD341 17500 bytes
SHA-256: 8c406b634d4d153df24c4d382f1f5cddf314ffde1913eaa521728deff78795d1

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