Malicious PDF — malware analysis report

Static analysis result for SHA-256 2516e256c97a5b67…

MALICIOUS

PDF

77.6 KB Created: 2021-03-17 05:06:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-21
MD5: c223378a7d3fd98bab2e2aa464439654 SHA-1: 22d1fc597b3e077fc67a2aeebb3489eb427161f2 SHA-256: 2516e256c97a5b670fd1a1ef41cea0c49de22993bc9a69085d2e1acbe8258349
96 Risk Score

Malware Insights

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

The PDF file contains a lure related to "Anzaldua how to tame a wild tongue quotes" and embeds a malicious URL. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. The embedded URL is the primary indicator of malicious intent, likely leading to a phishing or malware download site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://mezovuduw.ru/strik?utm_term=anzaldua+how+to+tame+a+wild+tongue+quotes PDF link annotation
    • https://cdn.sqhk.co/fidapulano/Djhjhie/picaporte_de_puerta_precio.pdfIn PDF document text
    • https://cdn.sqhk.co/bubiwalifeda/d1agXih/95717735369.pdfIn PDF document text
    • http://theharaka.online/how_to_reset_my_moultrie_game_camera3wy8o.pdfIn PDF document text
    • https://cdn.sqhk.co/posojuvapono/Xij1Pgh/daily_driver_sf_instagram.pdfIn PDF document text
    • https://cdn.sqhk.co/bowawugafux/uy0hbu8/tukiped.pdfIn PDF document text
    • https://cdn.sqhk.co/sotatixorawi/ylieha8/windows_defender_security_center.pdfIn PDF document text
    • http://dragonflysagewellness.com/lumorestz6gr.pdfIn PDF document text
    • http://foyou.store/qunqi_l298n_datasheetk6v0f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/ab3487dd-7a2a-43d8-b20f-ee99244fcb5d/86454900449.pdfIn PDF document text
    • https://s3.amazonaws.com/firigugixujotov/lexus_rx_350_specs_2010.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6fbed163-4786-4031-a981-4c487c25c093/rigemiwe.pdfIn PDF document text
    • https://s3.amazonaws.com/davolazupivowi/67889689687.pdfIn PDF document text
    • https://s3.amazonaws.com/jozetej/google_camera_for_pocophone_f1_android_pie.pdfIn PDF document text
    • https://s3.amazonaws.com/midipes/cost_accounting_financial_statements.pdfIn PDF document text
    • https://s3.amazonaws.com/waxapoz/curso_aprendizajes_clave_secundaria.pdfIn PDF document text
    • https://s3.amazonaws.com/gavapozalilup/wogasalifu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/39f309c8-5f34-4270-8d2e-bc6324355d51/george_foreman_jr_rotisserie_recipes.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d9713d46-2ec3-42cf-954d-09e83fa2d738/34000350883.pdfIn PDF document text
    • https://s3.amazonaws.com/tigovatolis/sedidamozogaxokizipedopop.pdfIn PDF document text
    • https://s3.amazonaws.com/xukonakefules/kiziwijaponapureputerelak.pdfIn PDF document text
    • https://s3.amazonaws.com/luxelula/gandalf_the_white_staff_template.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_off0000f267.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF267 5400 bytes
SHA-256: e719546e94f7b9388b0501503ca1f470640d6c28751cd537eb2f0030208266a9
font_01_sfnt_off000104ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x104AE 10804 bytes
SHA-256: 45eddd74d56ca2e163355384a9aec97d351f5576c5bafeb410ca59a3f5305609

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