Malicious PDF — malware analysis report

Static analysis result for SHA-256 c48a4a30549acf2a…

MALICIOUS

PDF

70.6 KB Created: 2021-05-24 05:06:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 03be1eabec77637e43d9d17a0b70d6b8 SHA-1: 460a18a2b6f8232efebd455be0534ac35887af5c SHA-256: c48a4a30549acf2a2bddde8eb988c2cfa318a6db7e48f25485357437f73ad40a
136 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file contains heuristics indicating it is a phishing lure, specifically using an SEO redirector to disguise a free download. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were directly extracted, the presence of embedded URLs and the nature of the heuristics point towards a phishing or malware distribution scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://resalured.ru/strik?utm_term=l%2527evangile+essenien+de+la+paix+pdf+gratuit PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4495387/normal_5fdd766d3cb06.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383460/normal_602a0a78a3e99.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4469638/normal_6063a7987b723.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4504568/normal_60283a60bd7ff.pdfIn PDF document text
    • https://s3.amazonaws.com/fadupazageraf/fantasy_draft_day_cheat_sheet.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387925/normal_606246fb6ad64.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382949/normal_60272bacbbd52.pdfIn PDF document text
    • https://s3.amazonaws.com/jirebonudur/surah_yasin_full_image_download.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459478/normal_5ff0e0b657d44.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369165/normal_5fceba2ecdfcc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4492574/normal_606e3f5d3646d.pdfIn PDF document text
    • https://s3.amazonaws.com/daxemo/51213291188.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4382773/normal_5fee3de796fc8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4415334/normal_5fcedae7b1bd2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471082/normal_6015015ba40dc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4475209/normal_5feb44ec3bd20.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4474978/normal_6018540d92ded.pdfIn PDF document text
    • https://s3.amazonaws.com/lebaxa/nuvimovavupe.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/7a87404c-c521-48de-83c2-a990a21bea59/manual_calculadora_ti-89_titanium_espaol.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6623a6db-e8fb-4081-a63a-41fe3354535e/how_to_fix_an_hp_printer_that_wont_print.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_off0000d537.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD537 5312 bytes
SHA-256: d65507d24e9f07fbcc3cb96e15d1fa763b30fce58e09c116d0811bde8ae1f401
font_01_sfnt_off0000e770.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE770 11004 bytes
SHA-256: 2068bf942bfab01a9c4683ec42c523c0db7ed46622807d1986ce3e0e92d04d59

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