Malicious PDF — malware analysis report

Static analysis result for SHA-256 7012cc61ac2dca33…

MALICIOUS

PDF

83.1 KB Created: 2021-02-27 01:05:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16
MD5: e5c2d4dcf85b619d566f2757390f2791 SHA-1: 428a0c139aadffa2d972d70fdb739d53fbd5706f SHA-256: 7012cc61ac2dca3318728fd205b82c792cddb392f4fe2e90a4a1ce846225949e
96 Risk Score

Malware Insights

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

This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The document body contains obfuscated text that appears to be related to search terms, and an external URI points to a suspicious URL. This suggests the document is designed to trick users into visiting a malicious site, 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://leonvi.ru/strik?utm_term=msi+z97+gaming+5+code+00 PDF link annotation
    • http://sujabupinoda.scienceontheweb.net/tipos_de_fichas_de_trabajo_y_sus_caracteristicas.pdfIn PDF document text
    • http://gidilixad.66ghz.com/zibusomegow.pdfIn PDF document text
    • http://kakolamilasaru.medianewsonline.com/67104553375.pdfIn PDF document text
    • http://fuvafutiku.22web.org/sopitonivoza.pdfIn PDF document text
    • http://fimokeroda.22web.org/84641531612.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/xeponodij/coronation_balanced_defensive_fund_fact_sheet_2017.pdfIn PDF document text
    • https://s3.amazonaws.com/gewisetug/cara_pasang_adblock_di_chrome_android.pdfIn PDF document text
    • http://lowoxewepabetex.rf.gd/35343362294.pdfIn PDF document text
    • https://s3.amazonaws.com/jupevuxirapi/61841665772.pdfIn PDF document text
    • https://s3.amazonaws.com/jebupofedijakuk/jewodidewowap.pdfIn PDF document text
    • http://faleferesevo.onlinewebshop.net/96886546465.pdfIn PDF document text
    • http://fuvarijes.atwebpages.com/45211061044.pdfIn PDF document text
    • https://s3.amazonaws.com/xonaxevetaf/certainteed_roofing_warranty_claim_form.pdfIn PDF document text
    • https://s3.amazonaws.com/jedobufudajewu/aesop_fables_worksheets.pdfIn PDF document text
    • http://vunonam.atwebpages.com/poxuvove.pdfIn PDF document text
    • http://duvodix.myartsonline.com/percy_jackson_sea_of_monsters_chapter_12_summary.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_off0001037c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1037C 5688 bytes
SHA-256: c3234c3c271bd66837276ed21769311ab64ab048608805ff14cbc3dcba0889ea
font_01_sfnt_off000116e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x116E9 11440 bytes
SHA-256: 3d3fc1bf69f611961b66aca0d619ff9260ecaeae91c2413289644f323b6e9709

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