Malicious PDF — malware analysis report

Static analysis result for SHA-256 564eda164e698a49…

MALICIOUS

PDF

73.1 KB Created: 2021-03-03 02:29:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: acd6c3f162db7ffc565a58696d5c1350 SHA-1: 3b0f99af8c075d7f7fd1175bc557b609a8d699f8 SHA-256: 564eda164e698a49db2cf2327a4dd8985cf65d78231ce9540eb852642ecde070
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://crophysi.ru/award?keyword=how+to+get+your+pa+real+estate+license In PDF document text
    • http://nyvelsets.online/xobixufetawer5dd0w.pdfIn PDF document text
    • http://nujatofu.22web.org/flir_one_pro_android_amazon.pdfIn PDF document text
    • http://kudusakepupa.sportsontheweb.net/briggs_and_stratton_yard_machine_lawn_mower_wont_start.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4445320/normal_5fe81a4f76638.pdfIn PDF document text
    • http://viniveba.mywebcommunity.org/76252615958.pdfIn PDF document text
    • http://zugasanuko.getenjoyment.net/wixetasosinafibuv.pdfIn PDF document text
    • http://raxejudesezix.scienceontheweb.net/geruweli.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4376852/normal_5ffa25c99a305.pdfIn PDF document text
    • http://parkji5x.xyz/bloomberg_terminal_excel_guideeendy.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/fomudebipefasu/aritmatika_dan_geometri.pdfIn PDF document text
    • http://pokanusoliviw.epizy.com/sakitutavonelipiwelifuveg.pdfIn PDF document text
    • http://vakizonozajaxe.onlinewebshop.net/97294587655.pdfIn PDF document text
    • http://fusupufe.epizy.com/olivetti_lettera_32_manual_en_espaol.pdfIn PDF document text
    • https://s3.amazonaws.com/zuniverijesud/88165310028.pdfIn PDF document text
    • http://fagufobukabovu.epizy.com/83384797902.pdfIn PDF document text
    • https://s3.amazonaws.com/kegubinefuda/survival_food_company_ratings.pdfIn PDF document text
    • https://s3.amazonaws.com/tajimipojimo/cinema_4d_r18_plugins_free.pdfIn PDF document text
    • https://s3.amazonaws.com/zinudipir/caustic_3_unlock_key_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/sitok/guided_imagery_meditation_5_minutes.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_off0000e0d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0D5 5256 bytes
SHA-256: 9b388b55e0f705113243a1b279a132dbdfd45f8c6d252c22a84ff81fac576a5b
font_01_sfnt_off0000f2e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2E2 10652 bytes
SHA-256: bc571fa1f5336326fc7cfe6e849de525ece537ee9d6e723b52cb87069fcfca50