Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd788263e7168c2f…

MALICIOUS

PDF

79.5 KB Created: 2022-04-10 01:46:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: a34d1b76a23e4deeb3609fda2b5ced21 SHA-1: a49878b59eb3f4177adbeb3443eacf3ecf85b803 SHA-256: cd788263e7168c2fcad287a7cf3d4fff1c8cc34eaa51083b88d188aaf1c4e8b4
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9987

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://colod.co.za/YmrXLWy8?keyword=concordancia%20biblica%20strong%20online%20en%20espa%C3%B1ol PDF link annotation
    • http://moneymaker-gold.de/files/67770865188.pdfIn PDF document text
    • https://xabuladuj.weebly.com/uploads/1/3/4/6/134677331/344445.pdfIn PDF document text
    • https://koxubabu.weebly.com/uploads/1/3/4/3/134314291/sabegab.pdfIn PDF document text
    • https://fadefewili.weebly.com/uploads/1/3/4/3/134316521/b59a46191.pdfIn PDF document text
    • https://zegimobigew.weebly.com/uploads/1/3/4/3/134313375/geroda-kisukivafuwinu.pdfIn PDF document text
    • https://thingstodobahrain.net/ckfinder/userfiles/files/witunezo.pdfIn PDF document text
    • https://junalupi.weebly.com/uploads/1/3/4/4/134460459/zegulivavebemi-viwex-xixas-siwis.pdfIn PDF document text
    • https://jipafopabos.weebly.com/uploads/1/3/3/9/133986828/c500b7c651596.pdfIn PDF document text
    • http://malagi.pl/user-files/fck/file/12833681908.pdfIn PDF document text
    • https://bivitomelonex.weebly.com/uploads/1/3/4/4/134491730/218f599.pdfIn PDF document text
    • https://ginniglobal.com/uploads/file/92369425541.pdfIn PDF document text
    • https://mcsfood.com/images/file/84190543357.pdfIn PDF document text
    • http://2safe4u.cz/UserFiles/File/rilamun.pdfIn PDF document text
    • https://sosnovgeo.ru/userfiles/file/59426566404.pdfIn PDF document text
    • https://equinox-e.com/upload/UserFiles/file/169827032.pdfIn PDF document text
    • http://canxetaianhduc.com/images/file/jasawesejaluwejope.pdfIn PDF document text
    • https://bosijoputa.weebly.com/uploads/1/3/4/3/134317673/nusutude-pubav.pdfIn PDF document text
    • http://fruitsad.pl/images/file/82020304881.pdfIn PDF document text
    • https://dapavivilo.weebly.com/uploads/1/3/4/8/134895477/6530520.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b1ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB1EF 16828 bytes
SHA-256: 1f6efb327da241f0c4137ef45e13e01b2854533cad212f43c06fbc3fd291b558
font_01_sfnt_off0000dd0a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD0A 11068 bytes
SHA-256: 0fe9ac4934bcb303c8723703f83fa51903413fc8def5396f7b2cd345ff7c4eee
font_02_sfnt_off0000f647.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF647 18828 bytes
SHA-256: 08f7de9696425f1d52a3227c3c978718b7909f1f08da8a5f48c58d2458718c92
font_03_sfnt_off000115a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x115A1 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1