Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9ad79cdcfffdca0…

MALICIOUS

PDF

70.7 KB Created: 2021-03-04 05:20:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-24
MD5: 2b18e41edea1aaf2ed070049fd50c8c9 SHA-1: 413676783fbcf86cc1997c814b938a100891c6c5 SHA-256: e9ad79cdcfffdca0b24a7102a310127d9c7022b26825802ac5b42a6eb4ff75fc
96 Risk Score

Malware Insights

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

The PDF file contains a lure related to 'Cyberpunk 2077' and embeds a URL pointing to 'golowaki.ru'. This URL is likely used to deliver a malicious payload or redirect the user to a phishing site. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan.

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://golowaki.ru/123?utm_term=cyberpunk+2077+ps5+vs+ps4 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4366406/normal_6012639862482.pdfIn PDF document text
    • http://zoxodur.sportsontheweb.net/65336839878.pdfIn PDF document text
    • http://topagudupowugi.iblogger.org/lefukakojegizanusesapami.pdfIn PDF document text
    • https://cdn.sqhk.co/reruzemafow/jy1zjzN/83517770132.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4454547/normal_5ff2f35ac9e24.pdfIn PDF document text
    • http://suzaxikuzexaw.66ghz.com/kitulofafujopaw.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4473384/normal_6013b9fdf07c4.pdfIn PDF document text
    • http://tuduvodakep.mypressonline.com/plt_headphones_backbeat_fit_2100.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382614/normal_6033480300083.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/pujinit/video_recording_app_for_android_free.pdfIn PDF document text
    • http://resizov.rf.gd/patalerutakipupuj.pdfIn PDF document text
    • https://s3.amazonaws.com/vidadaviwal/antithrombin_deficiency_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/lopeteb/zotero_bookmarklet_android.pdfIn PDF document text
    • https://s3.amazonaws.com/legipalofi/ios_notification_sketch_template.pdfIn PDF document text
    • https://s3.amazonaws.com/feseni/after_effects_templates_free_reddit.pdfIn PDF document text
    • http://fidegaf.atwebpages.com/othello_act_2_scene_1_questions_and_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/fupanabivote/sap_bods_data_quality_transformations.pdfIn PDF document text
    • http://rubuvajaroxe.epizy.com/nawenukuvula.pdfIn PDF document text
    • http://woporebokut.rf.gd/mozinibepokepup.pdfIn PDF document text
    • https://s3.amazonaws.com/tobito/bisid.pdfIn PDF document text
    • https://s3.amazonaws.com/memobofilenabon/simplifying_radicals_and_rational_exponents_worksheet.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_off0000d803.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD803 5408 bytes
SHA-256: 8272be230bf507045d8c4ecb1453e29b8d36b8b2c04f5f4da9be7d47fb65e256
font_01_sfnt_off0000ea97.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA97 10228 bytes
SHA-256: 26b7dfcd58fe73ef54a59f9e21f57f6da8ec3cc833a219fb9a903174ae169e46

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