Malicious PDF — malware analysis report

Static analysis result for SHA-256 7825b37626d2b6ae…

MALICIOUS

PDF

97.4 KB Created: 2021-01-16 21:02:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-16
MD5: 7c7d2b673300d56da99067370e9c8466 SHA-1: f1e7c893dd4a2971251e49cbb1223b734a49937e SHA-256: 7825b37626d2b6ae03723b7391f14b958becdaf9864b042b378173c1855c2953
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://traffnew.ru/123?utm_term=diagrama+de+fusibles+ford+f150+89 PDF link annotation
    • https://fudukonuxevefez.weebly.com/uploads/1/3/4/6/134606022/8517892.pdfIn PDF document text
    • https://cdn.sqhk.co/saboxiwago/diajcbC/9631468371.pdfIn PDF document text
    • https://vixeroniwemeful.weebly.com/uploads/1/3/0/7/130740086/1c9a1cba2bfd9.pdfIn PDF document text
    • https://site-1177244.mozfiles.com/files/1177244/joplin_craigslist_boats_for_sale.pdfIn PDF document text
    • https://tasiwusod.weebly.com/uploads/1/3/5/3/135351817/xujak-pamukuri-nebokunemezi.pdfIn PDF document text
    • https://mitojebani.weebly.com/uploads/1/3/2/7/132711961/pupozadata.pdfIn PDF document text
    • https://kuzogirig.weebly.com/uploads/1/3/4/7/134748708/gonadopowaf.pdfIn PDF document text
    • https://site-1166600.mozfiles.com/files/1166600/tixaxanojoneva.pdfIn PDF document text
    • https://resonorur.weebly.com/uploads/1/3/4/8/134874279/fuxazo_fejugopetidu_sinesezit_zumexobagexozo.pdfIn PDF document text
    • https://gitikaru.weebly.com/uploads/1/3/4/9/134901111/388240.pdfIn PDF document text
    • https://nafogoke.weebly.com/uploads/1/3/4/7/134776139/budezagozasij.pdfIn PDF document text
    • https://vogaxuruxav.weebly.com/uploads/1/3/4/3/134352923/kopozidonuxapu-javikasakudalu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/gotitibekovi/lansdowne_primary_school_sittingbourne_ofsted_report.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://scripts.sil.org/OFLIn 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_off00011636.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11636 5728 bytes
SHA-256: f2c8ac81de54af1c2d3ce436fe46c876e86a009ceccee872be94e847e77c8164
font_01_sfnt_off000129af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x129AF 13188 bytes
SHA-256: 6c1078faf5a75258ad773a7e49f9185ac90520b7a815b22a85169ad99a02fc7e
font_02_sfnt_off000152fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x152FA 16204 bytes
SHA-256: e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15
font_03_sfnt_off00016828.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16828 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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