Malicious PDF — malware analysis report

Static analysis result for SHA-256 a32076759e624588…

MALICIOUS

PDF

71.3 KB Created: 2021-02-19 19:56:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 6e876b7923b92bb92670a0617c7462b9 SHA-1: c344a25f695b533dd856977feef3af66fb017c93 SHA-256: a32076759e6245880cd0544d092e40d79796dc3dd78d1cbdacad3e1714d7f4b6
96 Risk Score

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://jottigo.ru/123?utm_term=php+add+html+to+array PDF link annotation
    • https://cdn.sqhk.co/wevujawej/XLyDnAy/general_knowledge_quiz_answers_video_quiz_hero.pdfIn PDF document text
    • http://raftgjgr.space/46574471962io2vm.pdfIn PDF document text
    • https://cdn.sqhk.co/surixirulol/jjuIheV/pawewubiwul.pdfIn PDF document text
    • https://cdn.sqhk.co/pixisuja/rjajdSU/tikubedi.pdfIn PDF document text
    • https://cdn.sqhk.co/pabelewexo/eGhhtFP/wodibifib.pdfIn PDF document text
    • http://doucheapp.xyz/theme_windows_10_black_editionmhecg.pdfIn PDF document text
    • http://lovemecompletely.com/paganini_caprice_24_violauenz4.pdfIn PDF document text
    • https://cdn.sqhk.co/vetukalujir/ghaheja/sujaxosokazefakimeke.pdfIn PDF document text
    • http://limecash.xyz/conscious_sedation_guidelines_for_nurses53kjj.pdfIn PDF document text
    • https://cdn.sqhk.co/bowewulaxam/akpiiuo/zodegeveverirudufa.pdfIn PDF document text
    • https://cdn.sqhk.co/kusamika/jghatqr/96504326931.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/faduxodiwo/18883793084.pdfIn PDF document text
    • https://s3.amazonaws.com/waxegatulo/breeam_new_construction_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/lorifumofelu/ableton_manual_saturator.pdfIn PDF document text
    • https://s3.amazonaws.com/rovuweraja/28419155187.pdfIn PDF document text
    • https://s3.amazonaws.com/bolovopizonuki/basenetidesidilinowa.pdfIn PDF document text
    • https://s3.amazonaws.com/wemofodi/rifazufa.pdfIn PDF document text
    • https://s3.amazonaws.com/mokixetat/pfms_generated_payment_full_form.pdfIn PDF document text
    • https://s3.amazonaws.com/jiwotarotavuz/fisate.pdfIn PDF document text
    • https://s3.amazonaws.com/kizugokofo/1653754538.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_off0000da2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA2B 5124 bytes
SHA-256: e04de39e8933b2084f4b91f44172276a45b7271c26d4ff5b43946c48f00b7d04
font_01_sfnt_off0000eb74.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB74 10872 bytes
SHA-256: 392e661a9aec0f6b74d802151372e7e9e79e13d4a1333facdc0af6407c0b8d03

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