Malicious PDF — malware analysis report

Static analysis result for SHA-256 7366b572f5e4e692…

MALICIOUS

PDF

78.9 KB Created: 2020-12-28 05:41:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: cd7295355add09ebba66c759d96ffc43 SHA-1: 99d382cf6efb888573d92a96affa5eff89ba643d SHA-256: 7366b572f5e4e692509fff9901598d27f76af29a5b63df0268878cb65889ac1a
104 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file contains a lure for downloading content, indicated by the document body and a heuristic firing for a visual download button. It also includes an external URI pointing to a suspicious domain, likely for delivering a payload. ClamAV detection and ML classification strongly suggest malicious intent, consistent with a phishing or trojan delivery mechanism.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://traffnew.ru/strik?utm_term=super+funny+ringtones+free+2020+download PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4409000/normal_5fda552cbe0e0.pdfIn PDF document text
    • https://cdn.sqhk.co/gadukupuwe/wgcXiBU/84061633377.pdfIn PDF document text
    • https://cdn.sqhk.co/pimibopugugo/ggiaFJA/zombie_sniper_shooting_3d.pdfIn PDF document text
    • https://cdn.sqhk.co/sejujona/idggef8/changing_screen_time_passcode_not_working.pdfIn PDF document text
    • https://cdn.sqhk.co/liwewajawab/R2sw1gZ/mobile_home_kitchen_cabinets_remodel.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4493545/normal_5fdaebd991253.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413705/normal_5fa2552d73806.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409610/normal_5fae7d86775d3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4391642/normal_5f9fe3ccc3b08.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388063/normal_5f935e9daf58a.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/bubeto/98173526687.pdfIn PDF document text
    • https://s3.amazonaws.com/firigugixujotov/elfen_lied_lilium_vocal_sheet_music.pdfIn PDF document text
    • https://s3.amazonaws.com/mupukesunobaga/netflix_action_movies_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/rekawexuretowo/77789427472.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f7c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF7C2 5780 bytes
SHA-256: 5b37e31acbae27ed9d6313d65e0ed306b99a30337564fcc1b65ac0460a4c0d5a
font_01_sfnt_off00010b9b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10B9B 10184 bytes
SHA-256: 07be4ea684d887e88f80e62da2f76c47f90cc20da0a9ff2553109cba49119c70

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