Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb0f7763a3da2e66…

MALICIOUS

PDF

81.2 KB Created: 2021-02-17 01:03:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: af60df9b0fea59a78297326c3a41541c SHA-1: c497b4b834afb2660512f6f0f61a79a258233dc1 SHA-256: eb0f7763a3da2e66895aca5cc5b1c007b4d644075b5ee2483516fcfc2b2361d6
134 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The file is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous external URIs, with one specifically flagged as a link farm on disposable hosting, suggesting a phishing or malware distribution attempt. The presence of a download button lure further supports this, indicating the document is designed to trick users into downloading a payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/aws?utm_term=clipse+hell+hath+no+fury+album+download+zip PDF link annotation
    • http://wagikopegufiza.66ghz.com/76993850291.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4393486/normal_600854b2e5dbb.pdfIn PDF document text
    • http://memaviwebepa.22web.org/bewars_movie_video_songs_hd.pdfIn PDF document text
    • http://tedamowajowiw.22web.org/xarojamegajesufisefegi.pdfIn PDF document text
    • http://katorewudejizut.22web.org/57576618944.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.opentle.orgIn PDF document text
    • http://tipisekoj.epizy.com/englisch_bungen_simple_present_present_progressive.pdfIn PDF document text
    • http://mesobuze.epizy.com/test_graphics_card_performance_mac.pdfIn PDF document text
    • http://pirajog.epizy.com/shelby_county_tn_probate_court_forms.pdfIn PDF document text
    • http://sebiwafexudezo.rf.gd/78773387962.pdfIn PDF document text
    • https://s3.amazonaws.com/zagubip/43679829704.pdfIn PDF document text
    • http://keguwaburafokul.epizy.com/kedeniw.pdfIn PDF document text
    • https://s3.amazonaws.com/rujabepifar/make_spreadsheet_not_read_only.pdfIn PDF document text
    • https://s3.amazonaws.com/guwutivupudutu/bendy_and_the_ink_machine_apk_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/vutame/68332928242.pdfIn PDF document text
    • http://nerusejide.rf.gd/defotelitifezajurozazo.pdfIn PDF document text
    • https://s3.amazonaws.com/zodawanuror/ascii_form_feed_f.pdfIn PDF document text
    • http://xogonat.epizy.com/aglc_quick_guide.pdfIn PDF document text
    • http://xazitew.epizy.com/whistleblower_report_filed.pdfIn PDF document text
    • http://punegejofuj.epizy.com/reading_comprehension_worksheets_for_10th_graders.pdfIn PDF document text
    • http://gozusufopam.epizy.com/tezorupitozezulorumomoz.pdfIn PDF document text
    • http://negifunowulag.rf.gd/15383818972.pdfIn PDF document text
    • http://mojogisi.epizy.com/febrile_neutropenia_guideline_2018.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
    • http://www.gnu.org/licenses/gpl.htmlIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000edea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDEA 5572 bytes
SHA-256: 56985152c33a9b44cc7bb209247be9b387d4d6b2c4e2d7e32a9de15de9ce6717
font_01_sfnt_off000100bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x100BB 6148 bytes
SHA-256: 0b38f6fd5e0b54bfa22d5adee1cfe00629fe134100fc7cfc1ad14a2ab7974207
font_02_sfnt_off0001109b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1109B 11048 bytes
SHA-256: 4fb790420abe5c14bf099536e52136e92d07356a87d0481597c7b5baa7812734

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