Malicious PDF — malware analysis report

Static analysis result for SHA-256 f69e58cf63a57bdc…

MALICIOUS

PDF

83.9 KB Created: 2021-03-23 03:14:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 68804df783166ab3f3276346992a4bc6 SHA-1: c054e6923d226b0deca7bf1e4fcdfd235ea3833a SHA-256: f69e58cf63a57bdcd3dc7577b6c1a558165358f0a9407403e301773f43356a9b
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 0.9994

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://vilenefex.ru/strik?utm_term=cake+baking+business+plan+pdf PDF link annotation
    • http://girlsbeach.space/video_er_for_mac_os_xrysyq.pdfIn PDF document text
    • http://lnstagramcopyrightcenter.com/sibatezokipubatewonokiwwin38.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4486045/normal_6015e313de890.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450353/normal_5fed35d8b0a67.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4493916/normal_6027ba5d61fc7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4385612/normal_5fff68b9b87a8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4472186/normal_600c4228c38f0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4422372/normal_60474efb45b59.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403822/normal_5fd8b3e023d35.pdfIn PDF document text
    • http://helplnstagram-confirm.com/briggs_and_stratton_675_series_pressure_washer_oil_changepx9er.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4425507/normal_6023af74e55b8.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/13c55a3f-8113-41cd-80f8-7468028a5a83/bidofojubimufewiwit.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1a98ec06-e6f8-410c-a96b-d4b429eb8e38/how_to_adjust_carb_on_husqvarna_455_rancher.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3cef7e8a-027c-457a-ad1c-5126a870513f/what_are_the_sparrows_in_game_of_thrones.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/15ea9cd5-1ee5-4775-942a-659db30a1e0b/did_you_hear_about_the_antelope_who_was_getting_dressed_worksheet_answers.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/81078311-1cd8-493e-b380-9b2cec97ece1/what_is_the_order_of_all_marvel_movies.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/10b7ea9d-89c0-4207-a4ec-9df731462a0d/37717327420.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ce06e667-c689-4b3c-9e72-4a614a6c9a76/15343583888.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3494c3ad-5dd3-4d39-97fc-a1d641785907/burger_king_menu_prices_2020_deals.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fa951294-e2c1-4da8-b2cc-a9eff40c805a/59443333058.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cc4213b8-d6c5-47c2-a1fb-4d06ada8eb16/53730594708.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/df010370-f109-4568-bec3-674d6df755bc/92179381363.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4a2fe061-8fe9-4019-97cb-0340a8b0e143/kizutedivezofixeredova.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_off00010b8e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10B8E 5224 bytes
SHA-256: 793222589444d364e8a8799065b520ca2cb58839525e50fa8fc71b2863efd345
font_01_sfnt_off00011d69.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11D69 10760 bytes
SHA-256: 49cbdf5a3041b7cf985e5095373c54edf29c2f8561000ecf9e4a6ab337f1bf02

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