Malicious PDF — malware analysis report

Static analysis result for SHA-256 0fae320e8036ce11…

MALICIOUS

PDF

89.5 KB Created: 2021-03-14 15:21:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a3bf47c6195a9aa47bc4cdfddd3e9645 SHA-1: 7019eef7d0fbb3052d5be6f3fa5c7be3e1bd980f SHA-256: 0fae320e8036ce11f6101c909b072b11894d2689eca6bcd3f81dea3537254552
126 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing or trojan. It contains numerous embedded URLs, many pointing to disposable domains, characteristic of a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create malicious PDFs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://seumenha.ru/strik?utm_term=themes+in+interpreter+of+maladies+stories PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4451756/normal_5ffd2ad0f14d6.pdfIn PDF document text
    • http://kowuterada.mygamesonline.org/zolisa.pdfIn PDF document text
    • http://luxshop21.site/new_latest_bollywood_movies_filmywapuaynp.pdfIn PDF document text
    • http://pejedoreraberet.22web.org/pre_kindergarten_english_worksheets.pdfIn PDF document text
    • http://rakijizesegag.22web.org/vuridodijim.pdfIn PDF document text
    • http://organicnu.info/jipibesusijuperasasipubux72k30.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4457312/normal_6045658e4e164.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366347/normal_5ff2a7972c977.pdfIn PDF document text
    • https://s3.amazonaws.com/xukirizugukugi/lujagimadaxidotowik.pdfIn PDF document text
    • https://s3.amazonaws.com/fofeguj/64340480598.pdfIn PDF document text
    • http://xojuxelase.medianewsonline.com/how_much_does_a_sony_bravia_55_inch_weight.pdfIn PDF document text
    • https://cdn.sqhk.co/xudapurofoz/haohijb/antiques_roadshow_music.pdfIn PDF document text
    • https://cdn.sqhk.co/kulabokirow/hEjaTLZ/pugezejagitovogerogeno.pdfIn PDF document text
    • http://jenewazajasazu.getenjoyment.net/medida_cautelar_definicion.pdfIn PDF document text
    • https://cdn.sqhk.co/bijilixiger/1PAjfL3/shudder_day_meaning_in_urdu.pdfIn PDF document text
    • http://gugolufixa.mywebcommunity.org/muxagubowobevid.pdfIn PDF document text
    • http://lasns.fun/69371227960ithxk.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://sodapatuvunivuj.epizy.com/baxutedigakozida.pdfIn PDF document text
    • http://zoligagomuwe.onlinewebshop.net/sherlock_holmes_a_game_of_shadows_full_movie_download_in_hindi_hd.pdfIn PDF document text
    • http://sekovukubetib.epizy.com/jaybird_x3_green_light_when_charging.pdfIn PDF document text
    • http://xubixetumed.rf.gd/42204503052.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_off00011f4a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11F4A 5228 bytes
SHA-256: 5f0c91e22be74df070a194fa69094c1bf900a6cbc8b3962875d86ed710df15c5
font_01_sfnt_off000130e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x130E0 11120 bytes
SHA-256: 0ea2c1f8a733e8183dbdffc2f2ef43cd12a9095c3db7b27ea9dc5f28024721fe

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