Malicious PDF — malware analysis report

Static analysis result for SHA-256 7a7f027b8823afde…

MALICIOUS

PDF

73.9 KB Created: 2021-02-25 00:52:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 9310b7e4ff5983b69c7ff0cff442da18 SHA-1: f528e57e563214d9a9a97c4cfb9a88f679646cd7 SHA-256: 7a7f027b8823afdee04570037e848827447aecfdd691b26a3a3b1fe84c6b4b9b
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://baarspo.ru/123?utm_term=what+can+cause+piriformis+syndrome PDF link annotation
    • http://goossyy.online/14800216783y9nze.pdfIn PDF document text
    • http://xiwakaravivomik.scienceontheweb.net/fourth_grade_fluency_passages_with_word_count.pdfIn PDF document text
    • http://bekowakiged.iblogger.org/j_name_whatsapp_status_video_free.pdfIn PDF document text
    • http://tafugegajotu.mygamesonline.org/91169926426.pdfIn PDF document text
    • http://lorakuze.sportsontheweb.net/zodopujuvo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4445107/normal_600f775b84c54.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4408865/normal_5fee4bc5c6d65.pdfIn PDF document text
    • http://reduslim-official.website/angel_dragon_fursuit_makersmqxvo.pdfIn PDF document text
    • http://jinosewifuwefe.22web.org/percy_jackson_1_free_download.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/vuzufexarevima/60864671412.pdfIn PDF document text
    • http://kajonefev.rf.gd/how_do_i_connect_my_hp_printer_to_my_phone_without_wifi.pdfIn PDF document text
    • https://s3.amazonaws.com/sajezife/11277415113.pdfIn PDF document text
    • https://s3.amazonaws.com/boxujetanonikuv/your_song_elton_john_youtube_live.pdfIn PDF document text
    • https://s3.amazonaws.com/jonora/word_cookies_orange_10_special_level_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/vibasujefir/what_is_law_in_malaysia.pdfIn PDF document text
    • https://s3.amazonaws.com/xujitezu/6279866339.pdfIn PDF document text
    • http://watijosanowo.epizy.com/aliens_of_the_deep_movie.pdfIn PDF document text
    • https://s3.amazonaws.com/gateme/fovipabexezekomewobulono.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_off0000e683.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE683 5480 bytes
SHA-256: 3bc58175bf2b7fb45fab2869035ad8bba289875bc396be35c16c9b848df16713
font_01_sfnt_off0000f90a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF90A 9852 bytes
SHA-256: e6bd5066f4a8b4edf99bed942ae16a9310c83e399f8503e9dd8b0f9d1e1dab1b

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