Malicious PDF — malware analysis report

Static analysis result for SHA-256 5a366a4d33648af8…

MALICIOUS

PDF

79.2 KB Created: 2021-01-15 02:49:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 36d1d6a7d51667885a94131652514b8e SHA-1: 96774ed057efa5eaeb18dcc4a2cc16f3d0be548a SHA-256: 5a366a4d33648af8f7785678d492ad694d7b29dbf42fc17376f39745aa125494
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that directs users to a website disguised as a booking photo report. This URL is likely used to deliver a malicious payload or phish for credentials. The ML classifier and ClamAV detection strongly indicate malicious intent, and the PDF structure suggests it's designed to exploit vulnerabilities or trick users into executing code.

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://trafffi.ru/123?utm_term=shawnee+county+jail+booking+photos PDF link annotation
    • https://site-1179415.mozfiles.com/files/1179415/21213512304.pdfIn PDF document text
    • https://site-1191564.mozfiles.com/files/1191564/unblocked_games_76_slope_2_player.pdfIn PDF document text
    • https://cdn.sqhk.co/zixemoliz/pgiwkQL/15856017837.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366350/normal_5f8719699d4a2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368760/normal_5fa37a0074d9f.pdfIn PDF document text
    • https://cdn.sqhk.co/fofasafiwi/2Ggegc2/jubidubivato.pdfIn PDF document text
    • https://cdn.sqhk.co/sovokeduseb/akggijf/cooking_games_for_pc_free_download.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.opentle.orgIn PDF document text
    • https://s3.amazonaws.com/medaliwifufugel/hatcher_pass_trail_report.pdfIn PDF document text
    • https://s3.amazonaws.com/mefovu/adobe_acrobat_reader_9._1.pdfIn PDF document text
    • https://s3.amazonaws.com/liwara/recipe_template_for_pages_ipad.pdfIn PDF document text
    • https://s3.amazonaws.com/bokexizometun/moss_middle_school_twitter.pdfIn PDF document text
    • https://s3.amazonaws.com/ribowexulo/bioethics_books.pdfIn PDF document text
    • https://s3.amazonaws.com/sisaxu/mapleroyals_zakum_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
    • http://www.gnu.org/licenses/gpl.htmlIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000df42.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF42 5676 bytes
SHA-256: a14c1a201759b7630302aa39b76431c2052b603197fa3eafb3b62cbfe61ea7c3
font_01_sfnt_off0000f2a2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2A2 8260 bytes
SHA-256: 14e0fbac1a24910cebf7076c7cf432d1eee157bcb4e1a705381a54b25a34f5bb
font_02_sfnt_off00010983.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10983 10664 bytes
SHA-256: 30223e12ed2dda018c6c70b7bb04dc120faa8c200d4cc9fa00abadb8b8c5e765