Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5daad6b04f10d7e…

MALICIOUS

PDF

133.9 KB Created: 2022-04-01 11:42:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: aa4c54df1c3c81a14721ab2b5fee6e8f SHA-1: cad5263fb4ae3c11ec252ee59af41eda4f5e63a1 SHA-256: c5daad6b04f10d7e0ef2735da9f016c9f64ff5b96ddaa4e74245bf9e45763585
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9986

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
  • 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=define%20narrative%20paradigm PDF link annotation
    • https://wipikiriku.weebly.com/uploads/1/3/4/6/134696444/sisadapidu.pdfIn PDF document text
    • https://fixewanum.weebly.com/uploads/1/3/5/3/135309042/ece650bd6e5a.pdfIn PDF document text
    • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1623a31756c7f2---repenawafitezad.pdfIn PDF document text
    • http://odpadykj.cz/UserFiles/File/nuwodejasorofupumeg.pdfIn PDF document text
    • https://www.cltservices.net/backoffice/kcfinder/upload/files/41189759270.pdfIn PDF document text
    • http://njboyuanchem.com/upload/files/44309815711.pdfIn PDF document text
    • https://www.koreayokogawa.com/ckfinder/userfiles/files/31542185964.pdfIn PDF document text
    • http://mp-hd.de/data/aktualnosci_imgs/file/38292401594.pdfIn PDF document text
    • https://bijifejutumaxob.weebly.com/uploads/1/3/1/3/131381781/1552977.pdfIn PDF document text
    • https://naguxamo.weebly.com/uploads/1/3/4/6/134655503/2724255.pdfIn PDF document text
    • https://loworukad.weebly.com/uploads/1/3/5/3/135312099/kikokosezaweta.pdfIn PDF document text
    • https://pumilisagif.weebly.com/uploads/1/3/4/3/134387603/dejuripoxepaz.pdfIn PDF document text
    • http://redigonda.it/userfiles/files/10751362979.pdfIn PDF document text
    • https://zokatitolef.weebly.com/uploads/1/3/4/7/134702636/e7e1f034.pdfIn PDF document text
    • http://tksvolga.ru/userfiles/file/mefozirirakowinufifij.pdfIn PDF document text
    • http://bmcnx.com/userfiles/file/mekifetikugiwagarezunetef.pdfIn PDF document text
    • https://xobiduri.weebly.com/uploads/1/3/1/4/131437628/rifunusulag-gisagekare-pibelu.pdfIn PDF document text
    • https://fuvogazukipow.weebly.com/uploads/1/3/4/6/134603691/9603a7a3cdea16d.pdfIn PDF document text
    • https://miluxegipe.weebly.com/uploads/1/3/4/7/134740585/mawowa.pdfIn PDF document text
    • https://zozumaled.weebly.com/uploads/1/3/1/3/131379894/zujenuwezuxu.pdfIn PDF document text
    • http://trumoi-khutrung.com/upload/files/filusisawinujisisizu.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_off0001a88f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1A88F 18228 bytes
SHA-256: dec3fb929ea90822b83f455ccb7bfd52121fd1f50c6bed2472a9e607d12b863f
font_01_sfnt_off0001d806.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1D806 10572 bytes
SHA-256: 75771d36c74b638a723c5c32f49cd58c572d07aa41f91de1296454c8c34e4313
font_02_sfnt_off0001eff1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1EFF1 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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