Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2e193b12a8178ff…

MALICIOUS

PDF

80.3 KB Created: 2021-03-03 18:17:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-11
MD5: d9b5d35417b8965438cdcd01a4626c81 SHA-1: 9aa9001bb3023c56bad9791859253bff33cca7df SHA-256: e2e193b12a8178ff07358dfa39658b41da8f685d9488966ec1b8bb92a9a12bc3
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The embedded URL points to a website that appears to be a phishing lure, disguised as information related to 'rancilio silvia espresso machine repair'. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to redirect users to malicious sites, 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://botokaw.ru/award?keyword=rancilio+silvia+espresso+machine+repair PDF link annotation
    • http://idealicaitalia-official.site/sirobozeduxapigomarichg5z.pdfIn PDF document text
    • https://zulemogosisuwo.weebly.com/uploads/1/3/4/6/134689329/jakudijimejaberizu.pdfIn PDF document text
    • https://mibonapa.weebly.com/uploads/1/3/4/3/134308174/16176109b0.pdfIn PDF document text
    • http://legko.travel/286925143963hl70.pdfIn PDF document text
    • http://stopnutristrike.ru/abnormal_ecg_report_sample6tkvz.pdfIn PDF document text
    • http://pozijuza.scienceontheweb.net/what_causes_delayed_gastric_emptying_in_infants.pdfIn PDF document text
    • https://bapefakujina.weebly.com/uploads/1/3/4/4/134483882/4691659.pdfIn PDF document text
    • http://zovolexune.sportsontheweb.net/pagenabuvojigot.pdfIn PDF document text
    • http://mikovil.mywebcommunity.org/liftmaster_elite_series_logic_4.0_reset_button.pdfIn PDF document text
    • http://toxipoxekej.medianewsonline.com/gekogafinubemaradimudan.pdfIn PDF document text
    • http://nanolenka.xyz/diversified_oil_and_gas_waynesburg_pa9dc3l.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/vososasoxumete/benji_bananas_adventures_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/jidosatikim/fogofinelifanami.pdfIn PDF document text
    • http://domuromu.atwebpages.com/vaxad.pdfIn PDF document text
    • https://s3.amazonaws.com/tetofamuxulil/jovibixonegarivaditakem.pdfIn PDF document text
    • http://geforagegi.atwebpages.com/ejercicios_resueltos_de_estadistica_descriptiva_para_datos_agrupados.pdfIn PDF document text
    • https://s3.amazonaws.com/pululusodogi/47096485637.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_off0000e951.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE951 4948 bytes
SHA-256: de7f6dc2309abbd02328bf524633722fbdf37a92b6530e752dd05f3412964fa1
font_01_sfnt_off0000f9e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9E9 13536 bytes
SHA-256: 5d7585201797de66f6730707a36bc0696a1195b932c8a7fa913782e86ecb59ad
font_02_sfnt_off000125ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x125AE 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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