Malicious PDF — malware analysis report

Static analysis result for SHA-256 17f11e5c58510786…

MALICIOUS

PDF

74.7 KB Created: 2021-04-02 22:40:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 1f4b24d7e9aec2649f634d681bc06aa9 SHA-1: 9b6f4dde8a10311ce8c942e724e68881f80eac48 SHA-256: 17f11e5c585107864a474f319b8cf23027558e113b634fd3e0b02dac03234367
104 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://gimoguvi.ru/123?utm_term=clock+wallpaper++jio+phone PDF link annotation
    • http://mizolaresunade.iblogger.org/79210001212.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369487/normal_60210944d0727.pdfIn PDF document text
    • http://urolog.xyz/lotuboxeruwewajulasgipl.pdfIn PDF document text
    • http://50offstore.info/how_to_adjust_casiodbvuh.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4530910/normal_602c8f2b9c4eb.pdfIn PDF document text
    • http://hugertely.xyz/62224829444yc78z.pdfIn PDF document text
    • http://godubumoze.iblogger.org/different_types_of_ecological_pyramids.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/bidemewufa/salelukodafajefuzevofu.pdfIn PDF document text
    • http://pusopifozubo.epizy.com/dinovafi.pdfIn PDF document text
    • https://s3.amazonaws.com/wezukep/measurement_system_analysis_questions_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/jupudizadid/jj_smith_green_smoothie_10_day_cleanse.pdfIn PDF document text
    • https://s3.amazonaws.com/kiwopusafize/46448711220.pdfIn PDF document text
    • http://tudavoje.epizy.com/vimefi.pdfIn PDF document text
    • http://fiwarirekagugen.epizy.com/34920686845.pdfIn PDF document text
    • https://s3.amazonaws.com/xofalepelala/pefedabubar.pdfIn PDF document text
    • https://s3.amazonaws.com/jepinebawo/bijebafufugij.pdfIn PDF document text
    • https://s3.amazonaws.com/fekife/little_shop_of_horrors_musical_cast_2019.pdfIn PDF document text
    • http://palenogawufagi.epizy.com/performance_review_teamwork_and_leadership_examples.pdfIn PDF document text
    • https://s3.amazonaws.com/niporofez/44477794174.pdfIn PDF document text
    • http://lapabogi.rf.gd/sajixebitojolip.pdfIn PDF document text
    • https://s3.amazonaws.com/kozewuposoridil/assamese_comedy_photo_free.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_off0000e949.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE949 4980 bytes
SHA-256: 8ceb1492f50dd483d9c4aed5e378bd8e43d42d53b981156e716607f6ea791e35
font_01_sfnt_off0000fa48.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA48 10376 bytes
SHA-256: 1edb6e27cbbd5c52ecca3a4163d98bd21ce9a27d9281c5e54824dc7ce250c170

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