Malicious PDF — malware analysis report

Static analysis result for SHA-256 3bcf30a27f86e5b8…

MALICIOUS

PDF

73.3 KB Created: 2022-04-15 13:10:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-20
MD5: 83c13a93535569cee6c6224449fd97ae SHA-1: e840ebec6efbadb638a6ee81c79cc2be70492881 SHA-256: 3bcf30a27f86e5b8d993a1fd52fa4928d858cd1286303fed3ef02bd623179ba5
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9963

Heuristics 7

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://japugaze.weebly.com/uploads/1/3/5/2/135295186/lazazopilawob-verali.pdf In PDF document text
    • https://rozinonuvav.weebly.com/uploads/1/4/1/3/141349722/fuwetadore.pdfIn PDF document text
    • http://www.aqua-systems.com.tw/ckeditor/kcfinder/upload/files/48523312806.pdfIn PDF document text
    • https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/f15ddf0746c19e2dd99c76d7948e87c3/mafofu.pdfIn PDF document text
    • https://tupinikuwexopej.weebly.com/uploads/1/3/1/0/131070806/2f2f69c9c.pdfIn PDF document text
    • https://bsff.com/kcfinder/upload/files/60133283790.pdfIn PDF document text
    • https://volorizog.weebly.com/uploads/1/3/1/0/131070051/tadafamemituruve.pdfIn PDF document text
    • https://tunefanixeso.weebly.com/uploads/1/3/4/7/134733210/9077213.pdfIn PDF document text
    • https://kalubawifufugop.weebly.com/uploads/1/4/1/4/141432829/3f2c15885a6bd.pdfIn PDF document text
    • https://tetokanituxur.weebly.com/uploads/1/3/4/5/134523616/kunozam_vizavibu_wepano.pdfIn PDF document text
    • https://sozazajigosana.weebly.com/uploads/1/3/0/7/130739782/safenijovo_jutinurizarovan.pdfIn PDF document text
    • https://jozolarameb.weebly.com/uploads/1/3/4/4/134402644/a01d01898bba04d.pdfIn PDF document text
    • https://hse.tw/upload/file/dopekojeraxebir.pdfIn PDF document text
    • https://rifotimipome.weebly.com/uploads/1/4/1/3/141376297/4305765.pdfIn PDF document text
    • http://yourtruck.be/upload/ckeditor/file/34387048446.pdfIn PDF document text
    • https://esprimagroup.com/userfiles/file/86427593629.pdfIn PDF document text
    • https://jedunifoxawixe.weebly.com/uploads/1/3/4/4/134458330/9652d76d70a3.pdfIn PDF document text
    • https://rezipubifikupix.weebly.com/uploads/1/3/4/5/134511366/bozim_winevozebizufe_buxotemo.pdfIn PDF document text
    • https://putigazabikikim.weebly.com/uploads/1/3/2/6/132682718/83e3b38c0c5d3.pdfIn PDF document text
    • https://ingatlansos.hu/images/userfiles/file/tutulowokoz.pdfIn PDF document text
    • https://xujifedivo.weebly.com/uploads/1/3/4/8/134862591/1c6e4.pdfIn PDF document text
    • https://durunefa.weebly.com/uploads/1/3/4/7/134712847/e2b52.pdfIn PDF document text
    • https://loheb.co.za/YmrXLWy8?keyword=jazz%20piano%20book%20mark%20levine%20pdf%20free%20downloadPDF link annotation
    • 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 extracted file (font_00_sfnt_off0000b649.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000b649.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b649.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB649 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000ce5b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE5B 17596 bytes
SHA-256: 07b68b9e26106f68f1a711520d3a5593d8913f42c7e8f5c043ddf7793ddd277f
font_02_sfnt_off0000fd14.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD14 10828 bytes
SHA-256: ce75aa61a53eb34a82000158dc565d069d2d4185710ff1c9a32f4780fd6005d2