Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3ece646db34a2a2…

MALICIOUS

PDF

78.0 KB Created: 2022-03-30 09:33:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: 65a2fb33dec145b50bfa57f459cf80ef SHA-1: 9a1463f2a11cb190926a6efb6a7ac1287e8c1dc1 SHA-256: d3ece646db34a2a2f03c9976c185787904cf259d1faefb8349f64fed83e2a1dc
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://loheb.co.za/YmrXLWy8?keyword=how%20to%20solve%20a%202x2%20rubik PDF link annotation
    • https://sotemukolewidiv.weebly.com/uploads/1/3/4/6/134660154/c6f4285.pdfIn PDF document text
    • https://fawesilabe.weebly.com/uploads/1/3/2/6/132680990/7454205.pdfIn PDF document text
    • https://danolanefute.weebly.com/uploads/1/3/4/8/134873411/ribiferalipunif.pdfIn PDF document text
    • https://kolagigeb.weebly.com/uploads/1/3/2/7/132741023/wibafojugavame.pdfIn PDF document text
    • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/16217e10368e04---xowetanofigulobeki.pdfIn PDF document text
    • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16226ae8e666e7---98541737464.pdfIn PDF document text
    • https://janodapos.weebly.com/uploads/1/3/1/6/131636969/wakudig.pdfIn PDF document text
    • http://belcanto-evenements.com/media/files/lazonukotabaderigusuvit.pdfIn PDF document text
    • https://buzegiregusa.weebly.com/uploads/1/3/6/0/136082094/nuzipadurex.pdfIn PDF document text
    • https://tudaxuvogune.weebly.com/uploads/1/3/6/0/136082380/fuxebimevur.pdfIn PDF document text
    • https://wuzusujozibavil.weebly.com/uploads/1/3/4/6/134689519/05c8e33c0db.pdfIn PDF document text
    • https://dss-cctv.com/ckfinder/userfiles/files/zekuvodi.pdfIn PDF document text
    • http://mppscstudy.com/admin/usercontent/file/75396706781.pdfIn PDF document text
    • https://vuzitiruf.weebly.com/uploads/1/3/2/8/132814505/fotuvojako-vudujalivug.pdfIn PDF document text
    • https://altinone.cz/files/ckfiles/file/rasixobi.pdfIn PDF document text
    • https://campestrechihuahua.com.mx/kcfinder/upload/files/rurizukalexakome.pdfIn PDF document text
    • https://wanesibib.weebly.com/uploads/1/3/4/5/134591449/dolaguwitaj.pdfIn PDF document text
    • http://quaisetoiles.fr/img_pages/file/tonamaba.pdfIn PDF document text
    • https://safubijob.weebly.com/uploads/1/3/2/6/132682970/najamatunotimup-motiwefubemi.pdfIn PDF document text
    • https://burkina-businessschool.com/business_school/uploads/file/89138791124.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_off0000cb51.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB51 17164 bytes
SHA-256: 7fb14fca9969a7362f2400b70f8b04560ea86dfadf791f1e524b73cfe733659c
font_01_sfnt_off0000f81d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF81D 11500 bytes
SHA-256: 1b1d06595beb9d2fa040192eb2f62cafa1cd70e5190caeadb01c505d761eeae1
font_02_sfnt_off00011377.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11377 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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