Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd7bbff48a92482d…

MALICIOUS

PDF

76.9 KB Created: 2022-04-03 11:57:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: 1aad172524e8d452b983ba02e3fda620 SHA-1: d139c9830c14b50b9a6d92de45bedc891619de43 SHA-256: cd7bbff48a92482de3a6a330cbeab19bfaf34418db0a7c7c63ad96834296b399
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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%20pair%20roku%20remote%20to%20streaming%20stick PDF link annotation
    • http://plymouth-logs.co.uk/ckfinder/userfiles/files/zovufinataw.pdfIn PDF document text
    • https://nidedijuba.weebly.com/uploads/1/3/0/8/130814831/b97d5ab1ef3.pdfIn PDF document text
    • https://petugureb.weebly.com/uploads/1/3/4/4/134445868/9461513.pdfIn PDF document text
    • https://mizilugodipibo.weebly.com/uploads/1/3/0/8/130813887/1fe1bb25b0c0fd3.pdfIn PDF document text
    • https://tiwotutekog.weebly.com/uploads/1/3/4/7/134722077/d7bf85e748ff5.pdfIn PDF document text
    • https://putukaxuke.weebly.com/uploads/1/3/1/4/131437363/loxufokufojaji.pdfIn PDF document text
    • https://revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/162183e8d22e14---65269444322.pdfIn PDF document text
    • https://rofosuvobatijam.weebly.com/uploads/1/3/4/6/134661532/murunivedono.pdfIn PDF document text
    • https://komovifewujip.weebly.com/uploads/1/3/4/8/134895136/2064077.pdfIn PDF document text
    • http://jadeite.ru/images/file/damaribuwaxiba.pdfIn PDF document text
    • https://rupuxiziwaxez.weebly.com/uploads/1/3/4/7/134765543/803ac4.pdfIn PDF document text
    • https://xuxavapivobe.weebly.com/uploads/1/3/4/5/134590147/437eff4e0.pdfIn PDF document text
    • https://rukururage.weebly.com/uploads/1/3/0/9/130968917/7035514.pdfIn PDF document text
    • https://wivutabunoku.weebly.com/uploads/1/3/6/0/136020101/petoke.pdfIn PDF document text
    • http://hongsung114.com/files/fckeditor/file/20148010607.pdfIn PDF document text
    • https://pudoxarunisit.weebly.com/uploads/1/3/1/1/131164251/vepuzemoxefa.pdfIn PDF document text
    • https://lazekikobetilof.weebly.com/uploads/1/3/4/4/134443651/sibujosisizot.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_off0000c712.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC712 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000df29.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF29 10940 bytes
SHA-256: 018dd9627f3834ac8a2bb8200c19a6e4a076a4f072f8716f76a2fc0f1c03467a
font_02_sfnt_off0000f898.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF898 17156 bytes
SHA-256: d88e113a9baa4dfd98aec624d7dd7bee775fee796aeaad2792118156696cd2f7

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