Malicious PDF — malware analysis report

Static analysis result for SHA-256 eee4fdc62841664d…

MALICIOUS

PDF

79.0 KB Created: 2021-02-05 11:28:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: 49c41068c26cdbaf04be01f6b03adfe4 SHA-1: 5a8ebc9f1876224f88099a185bf78dd4fbc59d51 SHA-256: eee4fdc62841664d58fd95cc91bdc8fd2a8f1bb72286f5e193fa87baecab7634
96 Risk Score

Malware Insights

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

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to exploit user interaction for malicious purposes.

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/wb?keyword=canzoniere%20scout%20lupetti%20pdf PDF link annotation
    • http://neuroncraft.online/lista_de_capitulos_hora_de_aventurajgvn9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384639/normal_601afe5a830ad.pdfIn PDF document text
    • http://mon-cmb.best/62805228573gkqj5.pdfIn PDF document text
    • http://iclod.tech/english_9_task_10_delving_deeper_answerh02cs.pdfIn PDF document text
    • https://cdn.sqhk.co/desogepupema/e8oDjhl/viking_attack_england.pdfIn PDF document text
    • http://sluzhba1.net/chernobyl_nuclear_power_plant_3d_modeljcvy8.pdfIn PDF document text
    • http://azakalaza5.xyz/chidananda_roopah_shivoham_shivoham_songbpohx.pdfIn PDF document text
    • https://cdn.sqhk.co/wadelovelo/fiiBjeD/kejevomelixavu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4381751/normal_6003e4b6bb666.pdfIn PDF document text
    • https://cdn.sqhk.co/wodaximewule/jfigifF/truck_racer_wii_iso.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418579/normal_60161fea0a258.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/xufoxorog/play_store_gift_card_codes_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/jebupofedijakuk/40413167693.pdfIn PDF document text
    • https://s3.amazonaws.com/xowasosuf/ita_matrix_user_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/bipepezuwed/zituradev.pdfIn PDF document text
    • https://s3.amazonaws.com/mamibis/opera_web_browser_portable.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_off0000f5a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF5A6 5104 bytes
SHA-256: 9d8582af09ebf2aea1c6150afe3941f693a3f2913752204e3d43463cc4347b78
font_01_sfnt_off0001071b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1071B 11788 bytes
SHA-256: 2675aeed2b335ea001b491858abfb7ccfe12719f5f20d57c7df906017c7903c4

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