Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd943de68fdb1e9c…

MALICIOUS

PDF

71.1 KB Created: 2021-03-20 15:26:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: fca2b4efee9875747dd2c41631f156bb SHA-1: 924c02e1884bfb0e42fb332aeb512e1c8df1b906 SHA-256: bd943de68fdb1e9c4e89b0fd37e713c40d553bf1f14a95ad6fc4a69653710d22
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://dugedepap.ru/123?utm_term=aboriginal+flag+printable+pdf PDF link annotation
    • https://cdn.sqhk.co/zaxuloxedu/c1jfehf/fifa_laws_of_the_game_2019_goal_kick.pdfIn PDF document text
    • https://xisosisudotaju.weebly.com/uploads/1/3/0/7/130738948/2403856.pdfIn PDF document text
    • https://gugeropufil.weebly.com/uploads/1/3/0/8/130874104/462236.pdfIn PDF document text
    • https://cdn.sqhk.co/nakunadubux/gdhejji/front_line_td.pdfIn PDF document text
    • http://itawegan.space/libadunugxu1vc.pdfIn PDF document text
    • https://cdn.sqhk.co/tebolugex/jcYibdn/16398514115.pdfIn PDF document text
    • http://pribor-poverka.site/big_data_analytics_courses_singapore32ntk.pdfIn PDF document text
    • https://cdn.sqhk.co/zodenizekija/3hbiihb/within_temptation_songs_list.pdfIn PDF document text
    • https://nevutero.weebly.com/uploads/1/3/4/7/134716167/1b1b0841546b2a.pdfIn PDF document text
    • http://igafnd.org/5496853221bgnk1.pdfIn PDF document text
    • https://cdn.sqhk.co/weruvewo/fEwihio/survivalcraft_2_pc_crack.pdfIn PDF document text
    • https://lofelafor.weebly.com/uploads/1/3/4/6/134665038/3227725.pdfIn PDF document text
    • http://polikarmonolit.ru/97497333408nxcpm.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/kegubinefuda/ladakifalijov.pdfIn PDF document text
    • https://s3.amazonaws.com/falevi/validate_email_address_format_php.pdfIn PDF document text
    • http://gepopimasirepav.rf.gd/medejovebid.pdfIn PDF document text
    • http://saxizezubunana.rf.gd/programme_management_definition_pmi.pdfIn PDF document text
    • https://s3.amazonaws.com/timeziso/how_to_program_radio_shack_pro_96_scanner.pdfIn PDF document text
    • https://s3.amazonaws.com/tabobujimo/django_form_charfield_validation.pdfIn PDF document text
    • https://s3.amazonaws.com/suxiweke/tum_kab_jaoge_atithi_question_answers.pdfIn PDF document text
    • http://rowesupigoz.epizy.com/chrome_extension_videos_online.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ccdd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCCDD 4948 bytes
SHA-256: 94f407226aac535076222c89e288937e60cb7f5dea7c7d618878d735bd5cea98
font_01_sfnt_off0000ddb1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDB1 10408 bytes
SHA-256: a70e5273ad43c594de0e49702e15861fb84224a13c910a5aa42f1270208222a5
font_02_sfnt_off00010117.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10117 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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