Malicious PDF — malware analysis report

Static analysis result for SHA-256 64b185006ded8d03…

MALICIOUS

PDF

76.4 KB Created: 2021-03-11 12:48:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: dcdca298284f2163e9f2da56828e25a1 SHA-1: 165e771befbd086a6f5c883ddd72419feffbdae2 SHA-256: 64b185006ded8d03d2a9ca3c35b3ba032970aaaa0f278845abdac09fb3dec355
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 0.9995

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://zajinet.ru/wix?keyword=ap+world+history+test+1+study+guide PDF link annotation
    • http://sununetapa.22web.org/61912892950.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369651/normal_5fdde687d886c.pdfIn PDF document text
    • http://particulieres-societegenerale.best/titovajexiruderumuvukujof3sy7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4405902/normal_60203488284b8.pdfIn PDF document text
    • http://blog-millionaire.buzz/reset_imaging_unit_samsung_xpress_m2675ff4b5x.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4474471/normal_5fde5004a869e.pdfIn PDF document text
    • http://arendaavto.taxi/snow_white_with_the_red_hair_season_2_episode_3_english_sub_facebookrkk79.pdfIn PDF document text
    • http://themarkuzmusic.com/how_to_pair_amazon_fire_stick_controllerde7dh.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4385853/normal_5fde53731b729.pdfIn PDF document text
    • http://mandarins.space/druid_boomkin_guide_3._3._5c2iyb.pdfIn PDF document text
    • http://world-wildshop.com/1040_form_2016_tax_tabletbw4x.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4469828/normal_60062ab6d85e4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4405179/normal_6032d67c0d754.pdfIn PDF document text
    • http://komaxinatobofe.medianewsonline.com/20040724760.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4456132/normal_5fce8c51c8f68.pdfIn PDF document text
    • http://hookup671.site/rataxonukuix56d.pdfIn PDF document text
    • http://oneitshop.pro/patesarnmlsp.pdfIn PDF document text
    • http://zanartcc.net/wugatosuzarmarbj.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://mimonutemabase.epizy.com/69641114300.pdfIn PDF document text
    • http://lozufusudurosok.epizy.com/24204385121.pdfIn PDF document text
    • http://duposul.epizy.com/wiczenia_na_sownictwo_angielski.pdfIn PDF document text
    • http://malejubu.myartsonline.com/ceramic_processing_rahaman.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_off0000ee90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE90 5248 bytes
SHA-256: 2661e56c274bfd5134ea839dd7546059afda66582401cf0258a48a4ae05df519
font_01_sfnt_off0001007d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1007D 10280 bytes
SHA-256: 36ca41746e3836fb8458c78b3c72624e8a67c6d9250abb46ccab5d561a9c5a0d

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