Malicious PDF — malware analysis report

Static analysis result for SHA-256 072038d13410ef60…

MALICIOUS

PDF

88.5 KB Created: 2021-04-05 18:14:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 56546df5f58e2cf26640fc5f206e581d SHA-1: b1278b6106ceee5106de261bde13a9fd0362619b SHA-256: 072038d13410ef6091aee4a8a0b0313231e6be8c15c2e4fe9d19801a6bb62cba
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 0.9997

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/wix?keyword=curveball+unblocked+games+66 PDF link annotation
    • http://wozupabalaviv.medianewsonline.com/mastering_apache_solr_free_download.pdfIn PDF document text
    • http://javifimawa.mygamesonline.org/jemikuvapipivopunuluzaso.pdfIn PDF document text
    • http://lasomupigo.iblogger.org/livro_arqueologia_do_saber.pdfIn PDF document text
    • http://samekuk.22web.org/pakatejix.pdfIn PDF document text
    • http://jinevul.mygamesonline.org/98436680042.pdfIn PDF document text
    • http://pobumur.iblogger.org/92794392785.pdfIn PDF document text
    • http://pozuvixa.getenjoyment.net/jisevodegalabiralawaned.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://mogojulelazotit.epizy.com/generac_5000_watt_generator_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/jenisozazewubo/lisexokuw.pdfIn PDF document text
    • https://s3.amazonaws.com/lixisariwulo/92821370943.pdfIn PDF document text
    • https://s3.amazonaws.com/roxawo/nifosovajewez.pdfIn PDF document text
    • https://s3.amazonaws.com/fogibi/lexatanovix.pdfIn PDF document text
    • https://s3.amazonaws.com/xilasisefi/2010_bmw_x3_service_manual.pdfIn PDF document text
    • http://mugijuzes.epizy.com/43914841319.pdfIn PDF document text
    • http://gewuvuvemaguda.rf.gd/camera_calibration_checkerboard.pdfIn PDF document text
    • http://tafiwepamubov.atwebpages.com/domain_driven_design_quickly_download.pdfIn PDF document text
    • https://s3.amazonaws.com/bulozor/46335409194.pdfIn PDF document text
    • http://nozaleb.rf.gd/4855325229.pdfIn PDF document text
    • https://s3.amazonaws.com/tokatefozude/enterprise_application_integration_patterns.pdfIn PDF document text
    • http://jipiluwokefeke.rf.gd/crystal_oscillator_operation.pdfIn PDF document text
    • https://s3.amazonaws.com/davawina/ba_ii_plus_financial_calculator_online_free.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_off00011e4f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11E4F 5580 bytes
SHA-256: 95513370743f31c9853217b68d1e881def282a4cf8a7863dba3c05c04aa0b648
font_01_sfnt_off00013134.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13134 10480 bytes
SHA-256: 518db58a90a9b43f795fe7bf9f18ada6bb835ca3feaed8dbbc299f31f7fa56b8

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