Malicious PDF — malware analysis report

Static analysis result for SHA-256 36d6ec5bbc5d3940…

MALICIOUS

PDF

79.2 KB Created: 2021-03-13 19:20:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-13
MD5: 20f337294b4b410e8e4e91cbe8741973 SHA-1: 418b53e7aeee96b8a075e7f6a59f8eaa387de42f SHA-256: 36d6ec5bbc5d39400008ca56617c44ae956aedd05c686c88d764e5efeff7e630
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URL pointing to 'jumiwimov.ru', which is likely used to deliver a secondary payload or redirect the user to a phishing site. The document body references 'Harry Potter Wizards Unite', suggesting a lure to entice users.

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://jumiwimov.ru/123?utm_term=harry+potter+wizards+unite+auror+guide PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4424043/normal_5fe89d5f99de5.pdfIn PDF document text
    • http://zugasanuko.getenjoyment.net/textaufgaben_brche_6._klasse.pdfIn PDF document text
    • http://pelabinowoguk.getenjoyment.net/35605248381.pdfIn PDF document text
    • http://pafiwuz.66ghz.com/maine_pyar_kiya_song_audio.pdfIn PDF document text
    • http://zagejudivavi.sportsontheweb.net/navien_flow_sensor_problems.pdfIn PDF document text
    • http://juzezudusota.mypressonline.com/yiruma_river_flows_in_you_violin_tutorial.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459324/normal_5fe698cb72e47.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470975/normal_602a762b49772.pdfIn PDF document text
    • http://lebuvowune.getenjoyment.net/pandas_select_row_by_index_column_by_name.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/zufaxepixiguxax/67637612373.pdfIn PDF document text
    • https://s3.amazonaws.com/xukirizugukugi/sigotixo.pdfIn PDF document text
    • https://917ed8d3-8a9f-4c5c-a3ad-554e533308ad.filesusr.com/ugd/a4e402_0807b599c41441bd998e7a56ab128d4a.pdf?index=trueIn PDF document text
    • https://c18d7360-3707-4bf1-9d6f-52ba7510fa17.filesusr.com/ugd/76cb06_5892734e63b547f19be5451adba264ba.pdf?index=trueIn PDF document text
    • http://lazuletezofik.onlinewebshop.net/calibration_manual.pdfIn PDF document text
    • https://b56e00ce-d729-42e9-814b-b9a4b194f5ba.filesusr.com/ugd/f6f93f_290496b317364d42a28dda0d91e77ec0.pdf?index=trueIn PDF document text
    • https://40fd9d30-e691-4ad4-9ff9-7de67b304886.filesusr.com/ugd/45b27a_c1cc359174d34342a491c5038fdc4e00.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/godewumazek/how_to_hand_sew_a_face_mask_pattern.pdfIn PDF document text
    • https://438e95ed-c264-4db5-88d3-1a9ca8b91b86.filesusr.com/ugd/733c1f_eeb287e147fd471594ddfb178cdf31a7.pdf?index=trueIn PDF document text
    • http://godutugogusapa.rf.gd/how_do_i_program_my_directv_remote_to_control_the_volume.pdfIn PDF document text
    • http://sasitegeke.epizy.com/christmas_brain_teasers_riddles.pdfIn PDF document text
    • https://s3.amazonaws.com/mozirolinitaje/14763570005.pdfIn PDF document text
    • https://s3.amazonaws.com/xajowu/mufidisebaguzixo.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_off0000f7d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF7D8 5300 bytes
SHA-256: 7cad3803ab61c959818092ae73bc7b1a49742677c4c1b9bda405a3018204a7a2
font_01_sfnt_off00010a0e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A0E 11088 bytes
SHA-256: f72cb5e102a3f79caf7ea6804a70f7523da219a82d999e5f0fc67f80c6b7528a

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