Malicious PDF — malware analysis report

Static analysis result for SHA-256 22ed192026a38eca…

MALICIOUS

PDF

257.2 KB Created: 2021-03-25 07:19:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-30
MD5: aeb35cb526bd95d98e10141acc1edbe1 SHA-1: 5c7407f401e0bc3612f60e6341c8e5c1931f44d0 SHA-256: 22ed192026a38eca810f5476aed88eb19d7cbad6bd9510965483e6534f6a1f87
96 Risk Score

Malware Insights

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

The file is a PDF document that contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to exploit users through deceptive content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9973

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/wix?keyword=the+coldest+city+antony+johnston+pdf PDF link annotation
    • http://zosazufinur.mygamesonline.org/past_participle_bingo_esl.pdfIn PDF document text
    • http://vannabanyavsedela.xyz/starbucks_drinks_without_coffee_in_itizmd7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4373998/normal_5fe3326c4275d.pdfIn PDF document text
    • http://detonic-italia.website/fotimamokisazixudqkh3x.pdfIn PDF document text
    • http://raisinslabs.club/schengen_visa_application_form_austriap22hw.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4449000/normal_5fe3bd201ee78.pdfIn PDF document text
    • http://docita.fun/ligojigumigaxaxabufml7m.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4461525/normal_602b23a4cc175.pdfIn PDF document text
    • http://bcpzonasegurape2-viabcp.com/9007087864w1e5m.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369334/normal_5fc7ec7371d05.pdfIn PDF document text
    • http://reduslim-shop.website/java_jre_64_bit_freew67nf.pdfIn PDF document text
    • http://sushibara.net/sssniperwolf_net_worth_20203enox.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/pasutiz/celsius_to_fahrenheit_table.pdfIn PDF document text
    • https://s3.amazonaws.com/jimugivos/66836933634.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/26d39271-57e3-4833-9187-b0ec8da2fa28/mixosumunumugiwuwiwox.pdfIn PDF document text
    • http://tifilow.onlinewebshop.net/fafezen.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fbb5acde-3590-488c-a2f2-9e527f417f7b/40875860288.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7d471f9a-657c-44b6-a284-72a1cb381dc0/hunter_25_sailboat_owners_manual.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_off0003b7ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3B7AD 5276 bytes
SHA-256: 68197e15e64cef8be3fabc90cace4e7dd8d5b79683fd81b2c346b09068b0f629
font_01_sfnt_off0003c9ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3C9AB 13476 bytes
SHA-256: 98d8c8ec5aa60e4cf176634af6d3cc4c034a0b1c3267ef2655eb7667a5467eb7

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