Malicious PDF — malware analysis report

Static analysis result for SHA-256 8755f02dfd9401da…

MALICIOUS

PDF

87.5 KB Created: 2022-04-12 06:58:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-05
MD5: 8157aab74122c0cd22a243e44f3ebd61 SHA-1: 5fd2fc780f55fc69df16072d8a7ba086083535be SHA-256: 8755f02dfd9401da295f5f409dd2dd1160ef5ab25c0b99b19f5403c1376b865b
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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://trinityautorepairs.com/uploads/files/ridoxinigeperak.pdf In PDF document text
    • https://bomejafir.weebly.com/uploads/1/3/4/7/134725936/5401745.pdfIn PDF document text
    • https://beripetalodewug.weebly.com/uploads/1/3/4/8/134865824/54117313313f.pdfIn PDF document text
    • https://machinex-machines.com/UserFiles/File/kefivegabagelaxa.pdfIn PDF document text
    • https://fojozotewimoko.weebly.com/uploads/1/3/5/3/135324817/xazesagavugedag.pdfIn PDF document text
    • https://aartipalette.com/userfiles/file/fibikuvipotonemiropon.pdfIn PDF document text
    • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1621aeb2aa7e16---83427311170.pdfIn PDF document text
    • https://winozijatefazo.weebly.com/uploads/1/3/5/3/135327399/c4d446a2b1b.pdfIn PDF document text
    • http://m2m2design.com/userfiles/52148579177.pdfIn PDF document text
    • http://senvietsystem.com/ckeditor/upload/files/terupigilijusopopivediv.pdfIn PDF document text
    • http://avatars.ru/userfiles/file/pifonilapafadifojisa.pdfIn PDF document text
    • https://nabatiniwoz.weebly.com/uploads/1/3/4/8/134889778/damisoganafaw.pdfIn PDF document text
    • http://acril.ru/ufiles/files/ruvamufirutivigugujo.pdfIn PDF document text
    • https://witowufagefalob.weebly.com/uploads/1/3/0/7/130738848/woseve.pdfIn PDF document text
    • https://2acontractor.it/images/file/zanibarejofijutun.pdfIn PDF document text
    • https://zimavawozazuxun.weebly.com/uploads/1/3/7/5/137511889/mejitikitirorow.pdfIn PDF document text
    • http://rosspeed.com/kcfinder/upload/files/97393722930.pdfIn PDF document text
    • http://dolonchem.com/upload/files/toper.pdfIn PDF document text
    • https://ducan.knjigae.com/userfiles/file/pawumebeka.pdfIn PDF document text
    • http://files.ibiza-ferien.de/file/gexowivu.pdfIn PDF document text
    • http://arquivolta.net/files/kidajofesox.pdfIn PDF document text
    • http://xn--90afqerdlt1f.xn--p1ai/admin/ckfinder/userfiles/files/72832553841.pdfIn PDF document text
    • https://thaiboxes.com/piceditor/file/89231049591.pdfIn PDF document text
    • https://olterus.org/contents/files/wegejamasesabogare.pdfIn PDF document text
    • http://www.sudeshnamaulik.com/fckimages/file/11172477920.pdfIn PDF document text
    • https://sunuf.co.za/YmrXLWy8?keyword=classroom%20management%20techniques%20powerpoint%20presentationPDF 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_off0000eea4.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000eea4.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000eea4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEA4 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off000106bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x106BB 11184 bytes
SHA-256: 0c99157ef464d9a97efc65bf3e62c6d74e14802b43f57b800823b64cb05bffed
font_02_sfnt_off00012074.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12074 18052 bytes
SHA-256: 1cf11b82aa23b6dfea85b3b260d1d443513aebe8136675b66d34d33fa9a98288