Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd65f3437326f53a…

MALICIOUS

PDF

75.7 KB Created: 2021-03-23 19:40:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-24
MD5: 0f208ffc69b8408d35e129d9d10fa6c5 SHA-1: a6cfac6b32b1aa1f155497caa205b5b4030c9ffc SHA-256: dd65f3437326f53a67c18ed33d31c704977fc51f675507e8f9364e7eab93b03f
96 Risk Score

Malware Insights

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

The PDF contains an embedded URL that leads to a suspicious domain, identified by heuristics as a potential phishing or malicious lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to a harmful site. No scripts were extracted, but the presence of external URIs and the overall classification point to a phishing attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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/award?keyword=amar+chitra+katha+mythology+collection+pdf PDF link annotation
    • https://cdn.sqhk.co/gukokefa/iaidhe4/vawolatavew.pdfIn PDF document text
    • http://bitoxifa.sportsontheweb.net/16870252329.pdfIn PDF document text
    • http://zugapuvu.mywebcommunity.org/common_core_standards.pdfIn PDF document text
    • http://fodefon.getenjoyment.net/71657456261.pdfIn PDF document text
    • https://cdn.sqhk.co/womafafowix/biajiig/nojeremil.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/nerugiraxura/xofekemowedonelo.pdfIn PDF document text
    • https://s3.amazonaws.com/gagagakigibapo/92060744297.pdfIn PDF document text
    • https://s3.amazonaws.com/latufenaw/commercial_lease_agreement_template_alberta.pdfIn PDF document text
    • https://s3.amazonaws.com/nuxepiduded/novakob.pdfIn PDF document text
    • https://s3.amazonaws.com/viboxikuz/topics_for_formal_letter_writing_grade_6.pdfIn PDF document text
    • https://s3.amazonaws.com/bomifabipi/10931084666.pdfIn PDF document text
    • https://s3.amazonaws.com/jupudizadid/53729902022.pdfIn PDF document text
    • https://s3.amazonaws.com/xafaxotaful/sosowo.pdfIn PDF document text
    • https://s3.amazonaws.com/fukezavazuj/what_is_the_main_point_of_the_argument_brainly.pdfIn PDF document text
    • http://jozobudesurarab.onlinewebshop.net/you_do_meaning_in_tamil.pdfIn PDF document text
    • https://s3.amazonaws.com/mozedijiz/42819199358.pdfIn PDF document text
    • https://s3.amazonaws.com/woxojuxafopuv/hack_game_defender_3_android.pdfIn PDF document text
    • https://s3.amazonaws.com/mexavofezoxi/fibre_cement_roof_sheets_port_elizabeth.pdfIn PDF document text
    • https://s3.amazonaws.com/vapite/bates_motel_season_2_subtitles.pdfIn PDF document text
    • https://s3.amazonaws.com/xebuvuwov/multiplying_decimals_by_powers_of_10_online_game.pdfIn PDF document text
    • https://s3.amazonaws.com/legipalofi/thickness_of_aluminum_foil_lab_answers.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_off0000e970.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE970 5548 bytes
SHA-256: 214779a2fe498ea660dc783c4a156ae808019bea4573e6ca72271d332046087b
font_01_sfnt_off0000fc35.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC35 10772 bytes
SHA-256: d745cd57d5bf61f026cc412f51398ad7baa99cd2aeb6331c41ae2ba3034b27c6

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