Malicious PDF — malware analysis report

Static analysis result for SHA-256 78280e423a259532…

MALICIOUS

PDF

79.7 KB Created: 2022-04-01 08:34:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: d5b684dd373408a26158142b86d3551a SHA-1: f744d34cbc842565e8d32f3be043ea1071d29f5b SHA-256: 78280e423a259532e2dabec57cba6b7e6ac214f1f5ff250e1e693559d3310acf
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://norin.co.za/YmrXLWy8?keyword=how%20to%20use%20handy%20stitch%20portable%20sewing%20machine PDF link annotation
    • https://berosafeteroz.weebly.com/uploads/1/3/4/8/134885041/da98ea0f633040.pdfIn PDF document text
    • https://nozipukox.weebly.com/uploads/1/3/6/0/136057246/7914864.pdfIn PDF document text
    • https://retevewaluwur.weebly.com/uploads/1/3/4/6/134600892/9771378d84b.pdfIn PDF document text
    • https://pujuwofox.weebly.com/uploads/1/3/4/8/134882524/durerunetitomul.pdfIn PDF document text
    • https://bidijogez.weebly.com/uploads/1/3/5/9/135993355/6123706.pdfIn PDF document text
    • https://bezodidamivozel.weebly.com/uploads/1/3/2/6/132683328/zugal.pdfIn PDF document text
    • https://miluxegipe.weebly.com/uploads/1/3/4/7/134740585/mawowa.pdfIn PDF document text
    • https://tixaradizu.weebly.com/uploads/1/3/4/6/134652762/rofebotiza.pdfIn PDF document text
    • https://gimoxawoja.weebly.com/uploads/1/3/1/3/131380550/bezevupenodi.pdfIn PDF document text
    • https://kekulepolunan.weebly.com/uploads/1/3/4/8/134889268/jetawakopino-besexotawiv.pdfIn PDF document text
    • https://kamojadatuxam.weebly.com/uploads/1/3/5/3/135316538/018da720.pdfIn PDF document text
    • https://nukubutoti.weebly.com/uploads/1/3/2/3/132302768/8926066.pdfIn PDF document text
    • https://hglobaltourb2c.com/FileData/ckfinder/files/20220312_173E1557CAECD042.pdfIn PDF document text
    • https://zuzesewijolane.weebly.com/uploads/1/3/1/4/131406438/18b27318.pdfIn PDF document text
    • https://kifakofaw.weebly.com/uploads/1/3/4/0/134016777/xivufelivito-kepuniruju.pdfIn PDF document text
    • http://invenger.net/admin/ckeditor/kcfinder/upload/files/62207712228.pdfIn PDF document text
    • https://tigigedilopufam.weebly.com/uploads/1/3/5/4/135400960/3872652.pdfIn PDF document text
    • https://fazizutedo.weebly.com/uploads/1/3/4/7/134768054/demefilako.pdfIn PDF document text
    • https://kazamudadi.weebly.com/uploads/1/3/0/7/130775411/xupogitekomituz_bevev_bozeloxuxatez.pdfIn PDF document text
    • https://mojivisosodarez.weebly.com/uploads/1/3/4/0/134096231/1333420.pdfIn PDF document text
    • https://xezelugewopisaw.weebly.com/uploads/1/3/5/3/135311865/a057ea.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_off0000d266.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD266 16672 bytes
SHA-256: 9f76bac05b838c44a3f1e7b1af9115be944188ea1572bef939ec191f66c37957
font_01_sfnt_off0000fddc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFDDC 11392 bytes
SHA-256: f29232dbc0d55db347219d649b6ae31489df92cb032618d486dc73954e72b3c3
font_02_sfnt_off00011827.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11827 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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