Malicious PDF — malware analysis report

Static analysis result for SHA-256 02d9b95b28275ec6…

MALICIOUS

PDF

76.3 KB Created: 2021-03-25 14:47:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: af0e82a05cc2d3ea72ee667a0c136b54 SHA-1: b0dbef0ed93900c5985ee2734fb8029f903e88c4 SHA-256: 02d9b95b28275ec695a18dc7f71d2d6c954d65f5738ab86f04881fe3212cc2d8
126 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded URLs, with many pointing to disposable domains and link farms, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links are consistent with techniques used to redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • 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 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://leonvi.ru/wix?keyword=linear+quadratic+systems+worksheet+kuta PDF link annotation
    • http://meriline.store/chess_rush_positioning_guide70h1l.pdfIn PDF document text
    • http://nuverlites.online/the_creature_from_jekyll_island_espaol4s9uk.pdfIn PDF document text
    • http://discount50it.pro/when_is_the_next_prime_minister_announcement_on_lockdownkfbcw.pdfIn PDF document text
    • http://lidzadva.xyz/galujpy30q.pdfIn PDF document text
    • http://setifol.66ghz.com/tatil.pdfIn PDF document text
    • http://5coupon.info/63181926350weij2.pdfIn PDF document text
    • https://cdn.sqhk.co/ferorigife/gibifsF/ara_pacis_art.pdfIn PDF document text
    • http://greatholl.com/8525423158769gb2.pdfIn PDF document text
    • https://wefigoga.weebly.com/uploads/1/3/4/0/134041661/mixarepovenenep.pdfIn PDF document text
    • https://joxedobiwot.weebly.com/uploads/1/3/5/3/135350216/d67ab35d99c1a.pdfIn PDF document text
    • http://meblik.su/xiwuxadaloroguxalujeee8yr.pdfIn PDF document text
    • https://gotanizanoga.weebly.com/uploads/1/3/5/3/135332446/9926653.pdfIn PDF document text
    • http://sellamorem.com/jalarakarapipowatezudewkwvjq.pdfIn PDF document text
    • http://reduslim-italiaofficial.site/giponumaluvupazigifofakicv9r7.pdfIn PDF document text
    • https://cdn.sqhk.co/pazakazagoz/BD9ricr/world_of_kings_berserker_guide_deutsch.pdfIn PDF document text
    • https://fumuzuwuwuwupu.weebly.com/uploads/1/3/0/9/130969925/ridowud-pezol-mumus-biwusoxedo.pdfIn PDF document text
    • http://justiciaforjustice.com/novufosilamekee3g1b.pdfIn PDF document text
    • http://soldatskaya6.ru/garmin_oregon_700_vs_gpsmap_64sxy7l7c.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kukadafimi.rf.gd/best_naruto_shippuden_game_for_android.pdfIn PDF document text
    • http://salulasalanegox.rf.gd/usability_heuristic_evaluation_report.pdfIn PDF document text
    • http://mufigodukusa.epizy.com/cooking_leveling_guide_bdo.pdfIn PDF document text
    • http://gurunetotej.rf.gd/51925118933.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://scripts.sil.org/OFLIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ec6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC6F 5472 bytes
SHA-256: 1a429cccc2e35ed46a74e2056c6cb6346c18b2b3d89f525b21353f208ec7c137
font_01_sfnt_off0000fefa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFEFA 10860 bytes
SHA-256: 709214759bacd1b72e87ea92ee4a86212ad2dc032a71bd2abcfc8080c410de37

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