Malicious PDF — malware analysis report

Static analysis result for SHA-256 34e048c11cdb5901…

MALICIOUS

PDF

69.0 KB Created: 2021-03-06 12:29:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 0d85101571f4f6de7d96893165707ebc SHA-1: 2c9a015b427d245ea96da3240205c720121cf453 SHA-256: 34e048c11cdb5901311cc320d4bd710847cd061db59fac8d09ef2587aba4bd5d
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 0.9993

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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/award?keyword=jumper+dress+outfit+denim PDF link annotation
    • http://jaralet.getenjoyment.net/zero_and_negative_exponents_worksheet.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375341/normal_60092d40eb867.pdfIn PDF document text
    • http://natural-shop.info/lamupebubisagrpje.pdfIn PDF document text
    • http://nazorizuz.medianewsonline.com/salems_lot_book_club_edition.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4423429/normal_5ffa997674303.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4497697/normal_5fcc04b83ddc6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379233/normal_60394c20b24cf.pdfIn PDF document text
    • http://fujigukatujewu.medianewsonline.com/fixufovavezoburenopa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470380/normal_601b6ca982ff4.pdfIn PDF document text
    • http://wapividazofar.scienceontheweb.net/transformations_of_square_root_functions_worksheet_answers.pdfIn PDF document text
    • http://sukutoxuwurif.mywebcommunity.org/waterpik_water_flosser_tips_amazon.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4490376/normal_5fe3199d31543.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4475854/normal_5ff8c0f78bb87.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465142/normal_60049fd1a4301.pdfIn PDF document text
    • http://infokurs.design/157874969217ymrp.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://butadiviwev.rf.gd/only_play_store_app_install_pc.pdfIn PDF document text
    • http://budobilososuw.rf.gd/what_is_the_ratio_of_the_two_quantities_17_seconds_to_7_min.pdfIn PDF document text
    • http://wuwatomugexove.epizy.com/87739447729.pdfIn PDF document text
    • http://piwisivajefi.rf.gd/85024854137.pdfIn PDF document text
    • http://duxuramubot.epizy.com/leather_business_card_holder_template.pdfIn PDF document text
    • http://wowadowir.epizy.com/waco_texas_crime_report.pdfIn PDF document text
    • http://ribuxuvotamu.rf.gd/yuntab_tablet_review.pdfIn PDF document text
    • http://lafeseg.rf.gd/jerib.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_off0000d444.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD444 4936 bytes
SHA-256: c0828a702df5fd304d6879a5729391a2a1315ab05e711492af3b69b1070a554c
font_01_sfnt_off0000e4f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE4F6 9936 bytes
SHA-256: 9bc6ba7555bd97596aa9d93b54f86dadbde631369bc8906312173735f642ff80

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