Malicious PDF — malware analysis report

Static analysis result for SHA-256 e690be463634374e…

MALICIOUS

PDF

76.7 KB Created: 2021-03-30 10:04:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: d8553780563ed078926b50d37e68959f SHA-1: 15a5d83628d37cc2358f00630db6a55e29433433 SHA-256: e690be463634374eae04d4e2fff71176b6870ea6a3a3495b666123cadb18128c
96 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 embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://nipisod.ru/123?utm_term=marketing+plan+report+template PDF link annotation
    • http://novubelugalij.medianewsonline.com/9104700942.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374980/normal_602ba4f0ee0f9.pdfIn PDF document text
    • http://sevagawos.getenjoyment.net/the_lion_the_witch_and_the_wardrobe_series_movies.pdfIn PDF document text
    • http://pimipaxu.22web.org/anatomy_of_anterior_abdominal_wall.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4486051/normal_5fe2103e7a986.pdfIn PDF document text
    • http://togurebuk.66ghz.com/wufogukunujagibutuderus.pdfIn PDF document text
    • http://sejunirawor.22web.org/keenan_online_vs_grapplers_guide.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/lorifawuvawot/82051702923.pdfIn PDF document text
    • https://s3.amazonaws.com/muvemasoxaji/android_auto_toyota_avalon_2019.pdfIn PDF document text
    • http://rugoxesoteko.myartsonline.com/the_ugly_duckling_story.pdfIn PDF document text
    • https://s3.amazonaws.com/bofake/free_3rd_grade_science_worksheets.pdfIn PDF document text
    • http://xuvunemomot.epizy.com/abscesos_axilares.pdfIn PDF document text
    • https://s3.amazonaws.com/migivewuwe/picture_collage_maker_templates_free.pdfIn PDF document text
    • https://s3.amazonaws.com/xarojapi/how_to_make_origami_olivia_paper_mario.pdfIn PDF document text
    • http://ketaxesam.epizy.com/akulaku_merchant_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/kotenu/fevapix.pdfIn PDF document text
    • https://s3.amazonaws.com/gekixadonuru/44081134993.pdfIn PDF document text
    • https://s3.amazonaws.com/jikopot/99660359669.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_off0000f041.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF041 5028 bytes
SHA-256: e39e72bcb346124b9fd99e3c662bc9989c2e170f4de5cc2103b27bc053a17f23
font_01_sfnt_off0001015b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1015B 10804 bytes
SHA-256: 6e02c3421a655e86733bae15d1db7e766669d2b2b32f38f6130eae705850c8ed

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