Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f6dd0265622af70…

MALICIOUS

PDF

98.9 KB Created: 2022-03-29 23:53:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-30
MD5: 08e55519aa8dd8ebed2b588bed9027e1 SHA-1: 03fb75ee4b650eca415c53feab53a34fd999627d SHA-256: 8f6dd0265622af70267aaed6d8a5f83fdaef3d3d0242c610ae3d6544330e289c
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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 http://dungculamdep.com/fckeditor_userfiles/file/senedawa.pdf In PDF document text
    • http://agcslohian.com/userfiles/file/78385443221.pdfIn PDF document text
    • http://all-premium.com/user_file/files/24014865529.pdfIn PDF document text
    • https://sutisivanopazar.weebly.com/uploads/1/3/4/3/134310164/7360d6492787.pdfIn PDF document text
    • http://vervesimuhub.com/userfiles/file/77624910266.pdfIn PDF document text
    • http://tanriovermensucat.com/uploads/genel/files/55721922434.pdfIn PDF document text
    • http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/1623a5be6511f5---80484334446.pdfIn PDF document text
    • https://famixupeb.weebly.com/uploads/1/3/4/7/134733803/jegigolobafo_wavuza.pdfIn PDF document text
    • http://chickenwild.com/upload/contents/images/images/duvizawoluditefuponu.pdfIn PDF document text
    • https://suwutijotelites.weebly.com/uploads/1/3/6/0/136083726/goxazidobelepiniwo.pdfIn PDF document text
    • http://lnianemarzenie.pl/userfiles/file/rulebasikareloduwuwa.pdfIn PDF document text
    • https://jawufilarom.weebly.com/uploads/1/3/6/0/136054640/folizamevuwiw-zitixopof-tunupe.pdfIn PDF document text
    • https://kebokezuzak.weebly.com/uploads/1/3/5/3/135318209/4a41b64c60a98f1.pdfIn PDF document text
    • http://hanyangsteel.com/files/fckeditor/file/32506392761f900bcc3237.pdfIn PDF document text
    • https://albertsdrukwerk.nl/bestanden/files/13290003901.pdfIn PDF document text
    • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/u4223fmnsh9ufiaum1u53dvbtc/fabivojagikuganupodu.pdfIn PDF document text
    • https://tekofudarazot.weebly.com/uploads/1/3/1/3/131381521/fc18a9715.pdfIn PDF document text
    • https://ganivakolijovi.weebly.com/uploads/1/3/4/6/134666525/2e22e3da.pdfIn PDF document text
    • https://kagifinozadobet.weebly.com/uploads/1/3/4/9/134902547/fevugasidipibudi.pdfIn PDF document text
    • https://rumejujosuzix.weebly.com/uploads/1/3/1/1/131164455/bibezebixin_bojiluwo_zaxavi.pdfIn PDF document text
    • http://studiomilano.eu/userfiles/files/74249745986.pdfIn PDF document text
    • https://yoyep.co.za/YmrXLWy8?keyword=how%20to%20read%20music%20for%20alto%20saxPDF link annotation
    • https://rupedotumimeto.weebly.com/uploads/1/3/1/4/131482941/kifutede-fasere-watukafofa-kulujagogasi.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 extracted file (font_00_sfnt_off00011f8b.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00011f8b.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00011f8b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11F8B 17260 bytes
SHA-256: 101c45ce51862eefb763937798c25f76b8f91081afe6f0c09f4b552456a25741
font_01_sfnt_off00014cc1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14CC1 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off00016365.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16365 10812 bytes
SHA-256: 948c04c9eae59fed6253a0b27e516c764ee231dda0b942d661ffb824a725ea50