Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e067d596cb26feb…

MALICIOUS

PDF

90.3 KB Created: 2021-05-04 01:55:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 5b3576563e35e0d97a82fa4c39636b12 SHA-1: bdaf7e6e5749121eb267cef1d031c7da039b8b3e SHA-256: 5e067d596cb26febebf221a3ba182322cdb35764bd0588628d7827e85cee7a81
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 0.9994

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://golowaki.ru/strik?utm_term=what+audio+format+does+garageband+use PDF link annotation
    • http://xtreme-sport.ru/gojazos32or8.pdfIn PDF document text
    • http://vnds-super.space/tefajiputazuhi23z.pdfIn PDF document text
    • http://wibikezo.iblogger.org/96536431443.pdfIn PDF document text
    • http://juvevama.22web.org/livro_augusto_cury_ansiedade.pdfIn PDF document text
    • http://natlab.ru/rogir5ys0o.pdfIn PDF document text
    • http://azakalaza5.xyz/6319269621k49xs.pdfIn PDF document text
    • http://topafigo.mypressonline.com/ielts_speaking_topics_download.pdfIn PDF document text
    • http://koxelovanalimu.getenjoyment.net/lazabom.pdfIn PDF document text
    • http://persequenteamsohbet.com/99543446948azp60.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://dipapomumekafog.epizy.com/how_to_bypass_a_fuel_shut_off_solenoid.pdfIn PDF document text
    • https://s3.amazonaws.com/fosagoba/yeezy_boost_700_fit_guide.pdfIn PDF document text
    • http://gixarewujedel.atwebpages.com/will_there_be_season_2_of_breathe.pdfIn PDF document text
    • http://duwugedereni.epizy.com/blended_wing_body.pdfIn PDF document text
    • https://s3.amazonaws.com/dazovosugev/fishman_loudbox_mini_owners_manual.pdfIn PDF document text
    • http://negolanimiwop.rf.gd/gilolusutadapenefil.pdfIn PDF document text
    • https://s3.amazonaws.com/wefadep/singer_5830c_bobbin_instructions.pdfIn PDF document text
    • http://delasasapujix.rf.gd/63899971331.pdfIn PDF document text
    • https://s3.amazonaws.com/xoferuzu/how_to_teach_writing_an_essay_to_high_school_students.pdfIn PDF document text
    • https://s3.amazonaws.com/wezukep/how_to_reset_control_board_on_englander_pellet_stove.pdfIn PDF document text
    • http://fomobiwudaz.rf.gd/vupogumivobo.pdfIn PDF document text
    • https://s3.amazonaws.com/putelekireza/32522226816.pdfIn PDF document text
    • http://tawojijil.rf.gd/cast_of_eva_luna.pdfIn PDF document text
    • https://s3.amazonaws.com/kodipopujufipig/annual_leave_form_template_nz.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_off00012333.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12333 5440 bytes
SHA-256: 69a8773a2fdb3693de0525fed097e0805170b3a212702d7141770185cdd5820f
font_01_sfnt_off00013599.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13599 11324 bytes
SHA-256: 48c65cc857e000587bdc0cd1c2375202d43189b9e4f6435d43e2646cab1f45be

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