Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9f5ebec0110ff3e…

MALICIOUS

PDF

77.4 KB Created: 2021-03-23 17:29:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-21
MD5: a02abaa497867e53dece7250747bcfa0 SHA-1: 76df0f64783688da79d7260ab4409c768ca2edbf SHA-256: f9f5ebec0110ff3e8647a5390c9ad9d95ef2e7e0506293269352d3870c59439a
96 Risk Score

Malware Insights

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

The PDF file contains a lure related to 'George Foreman grill instructions steak' but embeds a malicious URI. This URI likely leads to a phishing or malware download site, as indicated by the ClamAV detection and ML classifier flagging it as malicious. The presence of embedded URLs and the overall structure suggest a phishing attempt designed to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://kuzutuzo.ru/strik?utm_term=george+foreman+grill+instructions+steak PDF link annotation
    • http://womenit.space/7456894284c0zhx.pdfIn PDF document text
    • https://woxupixukuxosi.weebly.com/uploads/1/3/5/3/135316012/6731756.pdfIn PDF document text
    • http://accueilcmb.com/35638141521ovb3r.pdfIn PDF document text
    • http://xekowij.22web.org/79874482734.pdfIn PDF document text
    • https://puganijososas.weebly.com/uploads/1/3/1/8/131871778/febedu-fowero-ritirirupizisu.pdfIn PDF document text
    • http://it50discount.pro/nenawoxukpkyc.pdfIn PDF document text
    • http://vinimifij.iblogger.org/reasoning_backwards_gregg_young_download.pdfIn PDF document text
    • http://wegisinebirixe.iblogger.org/asvab_for_dummies_study_guide.pdfIn PDF document text
    • http://muvipokikuwopek.22web.org/the_art_of_racing_in_the_rain_netflix_trailer.pdfIn PDF document text
    • https://mazogerivajusem.weebly.com/uploads/1/3/4/3/134341978/jetafegix.pdfIn PDF document text
    • https://zabosete.weebly.com/uploads/1/3/1/1/131164473/diwosuvur.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://e9155d39-0f7d-4366-9ee8-34e17fe3d773.filesusr.com/ugd/9e05b8_f199e703b90347f9af2280303b44be22.pdf?index=trueIn PDF document text
    • https://6ec3981f-6443-463b-a164-91fc69f101d9.filesusr.com/ugd/7603ae_7a060034b3ed46db8cf5a0e61cd5be10.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/rekorewexidiwo/60442091391.pdfIn PDF document text
    • https://s3.amazonaws.com/pusixa/marketing_information_system_definition.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/268a3867-282f-4938-8f5b-f3544d816389/brother_pt-d400_manual.pdfIn PDF document text
    • http://zawuzujuw.epizy.com/bosch_tassimo_ctpm_1_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/towutoginadivu/basara_anime_batch.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/aef88ec0-5f2a-4e8a-938f-330de76f9af7/vupixebafodivadir.pdfIn PDF document text
    • https://s3.amazonaws.com/lijulijowivaze/betodu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8f0a7df6-f098-4e6f-ab94-20e63ab45945/86327512629.pdfIn PDF document text
    • https://s3.amazonaws.com/palevijuj/upgrade_breezing_forms.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_off0000f057.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF057 5296 bytes
SHA-256: 239681f900210be06fb4722dd0901e6316f1046915e455413306bfca9330a1de
font_01_sfnt_off0001024e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1024E 11112 bytes
SHA-256: eae55dd44616fbe3eed484dec45745d160267a7d42c90727026aa3712c20f83f

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