Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed91122b55819b33…

MALICIOUS

PDF

78.2 KB Created: 2021-03-18 10:06:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: c9cc2e269293c73276c7e9b036bd95fb SHA-1: 7454d6ac3be047a0981eec8ffd8b10f9e040deb5 SHA-256: ed91122b55819b33c9ac0a2e3a4ade07b80425254479432ead52e89c39035b06
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://xajibur.ru/award?keyword=autumn+leaves+jazz+piano+solo+pdf PDF link annotation
    • http://fragcups.com/words_shakespeare_invented_in_hamletoz0un.pdfIn PDF document text
    • http://sputnews.com/striking_thoughts_bruce_leere320.pdfIn PDF document text
    • http://furniture21.online/11454710786g7qot.pdfIn PDF document text
    • https://cdn.sqhk.co/vuwonesi/jjjd6jf/29403432270.pdfIn PDF document text
    • http://exemplpusj.com/merutifenemuvav5378x.pdfIn PDF document text
    • https://cdn.sqhk.co/gixedomawa/cgcuZic/14026447812.pdfIn PDF document text
    • http://copyrightsafetyhelps.com/311005305903oh7u.pdfIn PDF document text
    • http://verefdliyvtorogo.xyz/xijagimevowusupamusighmol8.pdfIn PDF document text
    • http://lozelenirulotu.22web.org/excel_family_budget_template_australia.pdfIn PDF document text
    • http://kengoru.space/hiralal_awana_dj_song2vhzz.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/geradi/audio_vision_pro_cracked_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/nuruvapozixix/61431027905.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1dec65e4-7fb2-4914-98c4-5fbfee3ccee0/mivovixegikaf.pdfIn PDF document text
    • https://s3.amazonaws.com/wozowuledij/3d_shapes_worksheets_ks1.pdfIn PDF document text
    • https://s3.amazonaws.com/luramamelolem/gasila.pdfIn PDF document text
    • https://s3.amazonaws.com/xakusineba/mowetuzom.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0618e49d-9a0f-46cf-9674-fb354f5a112d/honda_ec_2000_generator_manual.pdfIn PDF document text
    • http://zemamivata.epizy.com/46088062880.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e5b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE5B2 3372 bytes
SHA-256: 5fd5bfe060ce98809bf9eaffb20486c7378474cbfbea25d143dae5ba36854ee6
font_01_sfnt_off0000f1c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1C5 5268 bytes
SHA-256: 99fa15390f75bce856fc41662e8f301d9154f6752f78af0a18c13e396910ad56
font_02_sfnt_off000103b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x103B9 11824 bytes
SHA-256: cbca305f079e7231311a1b8214584c5cfe617e9d1a86ce1ff3868ad317db2571

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