Malicious PDF — malware analysis report

Static analysis result for SHA-256 5dd2ecad768c426f…

MALICIOUS

PDF

74.8 KB Created: 2021-04-12 06:23:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 4989bf53b30d6a0ebc1a60ad846cff92 SHA-1: eed45d8d383b10198aae3dfea6ece96ccbc4856d SHA-256: 5dd2ecad768c426f6243dafb264b66e2717ef39a4abb5c9b86c1c06aa7f8fe9d
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 0.9996

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://xajibur.ru/strik?utm_term=how+to+use+procreate+pocket+app PDF link annotation
    • https://cdn.sqhk.co/josedinis/Hohdhf2/zadasebobugunanazuzorol.pdfIn PDF document text
    • http://sesizuxewewax.mygamesonline.org/can_you_do_istikhara_on_your_period.pdfIn PDF document text
    • https://cdn.sqhk.co/mojafefegamo/iwu5yQw/35709584977.pdfIn PDF document text
    • https://cdn.sqhk.co/finulepaf/gi9gjUC/ea_sports_ufc_2_ps4_review.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://sivikonalijuto.myartsonline.com/3654888433.pdfIn PDF document text
    • https://s3.amazonaws.com/jopomodilamego/72508513131.pdfIn PDF document text
    • https://s3.amazonaws.com/xifabilejilab/integrated_reporting_simple_meaning.pdfIn PDF document text
    • https://s3.amazonaws.com/sirilagewuga/pekelugi.pdfIn PDF document text
    • https://s3.amazonaws.com/bewibiwat/source_filmmaker_0._9._5._10_free.pdfIn PDF document text
    • https://s3.amazonaws.com/xakapudakadu/adjective_worksheets_1st_graders.pdfIn PDF document text
    • https://s3.amazonaws.com/resabomibogodaw/augmented_reality_android_tutorial_location_based.pdfIn PDF document text
    • https://s3.amazonaws.com/napoledunadigo/manor_park_primary_school_sutton_ofsted_report.pdfIn PDF document text
    • https://s3.amazonaws.com/fusidejebi/sociologia_della_comunicazione_paccagnella.pdfIn PDF document text
    • https://s3.amazonaws.com/pazerogasarinu/scallop_report_crystal_river.pdfIn PDF document text
    • http://nukivamo.myartsonline.com/how_to_determine_a_molecular_shape.pdfIn PDF document text
    • https://s3.amazonaws.com/silubebebefuju/tawaxovasimoxamafubukojex.pdfIn PDF document text
    • https://s3.amazonaws.com/difigomisosak/peter_answer_petition_trick.pdfIn PDF document text
    • https://s3.amazonaws.com/punurum/will_boston_market_be_open_on_thanksgiving_day.pdfIn PDF document text
    • https://s3.amazonaws.com/wazagidonux/beautiful_girl_babies_images.pdfIn PDF document text
    • https://s3.amazonaws.com/regovadeje/zatamuriwivo.pdfIn PDF document text
    • https://s3.amazonaws.com/kesumasaka/zuparetipebarusijo.pdfIn PDF document text
    • https://s3.amazonaws.com/defujo/malachi_martin_the_jesuits.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_off0000e5a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE5A7 5012 bytes
SHA-256: ad8c60d74257d6863a8b5c35a39e2e0feeb9b66106fd44c8892fb1705df9109c
font_01_sfnt_off0000f6d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF6D4 11456 bytes
SHA-256: 2db54ed3243cb6f48b24d2dcb24b1902f712fe7620e65ac3d103a0276e8e6b5c

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