Malicious PDF — malware analysis report

Static analysis result for SHA-256 8852a67c81b81b94…

MALICIOUS

PDF

76.6 KB Created: 2021-02-15 15:36:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-04
MD5: f8202b85f475cc9439029db62e92fedb SHA-1: 0e1cd4f821979e2caa904a215cd5db433a37bdc2 SHA-256: 8852a67c81b81b941ee04728ea7b610ebe761acf3b72c45c86f6877a7c9334d2
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a URL that appears to be a lure for 'black magic love spells'. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to trick users into navigating to a potentially harmful external resource, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://bologen.ru/wix?keyword=black+magic+love+spells+that+work+immediately PDF link annotation
    • https://cdn.sqhk.co/tipefimex/F69hgUF/27453065938.pdfIn PDF document text
    • https://cdn.sqhk.co/muwazubivotu/fhcgdSQ/totifavoriruz.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://tunawibiga.rf.gd/21342831321.pdfIn PDF document text
    • http://nodefojabotozij.rf.gd/best_fishing_guide_venice_la.pdfIn PDF document text
    • http://velefejaforafe.rf.gd/golozowobiketalawu.pdfIn PDF document text
    • http://tibakofe.epizy.com/filenokanaxamixulafuza.pdfIn PDF document text
    • http://dotenax.rf.gd/email_template_for_requesting_payment.pdfIn PDF document text
    • https://s3.amazonaws.com/vapelurowar/2018_acc_aha_hyperlipidemia_guidelines.pdfIn PDF document text
    • http://zebafuvevejol.epizy.com/dufuzanodewalibageti.pdfIn PDF document text
    • https://s3.amazonaws.com/gupojakami/risk_assessment_plan_template_word.pdfIn PDF document text
    • https://s3.amazonaws.com/zobuwubedak/wireratojagosexanukozej.pdfIn PDF document text
    • http://vivizegijarugip.epizy.com/power_episode_guide_and_air_dates.pdfIn PDF document text
    • http://tejusadesivuti.epizy.com/leravebaxadeta.pdfIn PDF document text
    • https://s3.amazonaws.com/tesodagiwor/4427925872.pdfIn PDF document text
    • https://s3.amazonaws.com/baxegezivumi/kpi_tracking_template_powerpoint.pdfIn PDF document text
    • https://s3.amazonaws.com/jafujasiwetid/metronome_app_for_java.pdfIn PDF document text
    • http://difesasud.epizy.com/37765654725.pdfIn PDF document text
    • https://s3.amazonaws.com/jupevuxirapi/canadian_citizenship_application_guide.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_off0000ed82.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED82 5856 bytes
SHA-256: 40e024b40f6c43c2996ba0dc8cd725d9a847fa8ab61d7f16be2944d450a3f08f
font_01_sfnt_off00010164.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10164 10368 bytes
SHA-256: a1edb687771a44dc937fc3d35e9a710901d4030c2e627d36357b5c7f93d5f300

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