Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e39d12105c45eae…

MALICIOUS

PDF

80.7 KB Created: 2021-03-07 01:40:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 33db43faa9ecaddc5c0ab2fae47618ba SHA-1: 029ca0e8dbc2a91bc6d17338ac7d7c66fac4ca58 SHA-256: 2e39d12105c45eae900fbc65c4b736ac91c5e9d2e57fb2128fd8037c08739217
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://maypoin.ru/123?utm_term=what+is+the+most+dangerous+move+in+martial+arts PDF link annotation
    • http://pusatokolerax.mywebcommunity.org/what_does_the_triangle_symbol_mean_on_garmin_watch.pdfIn PDF document text
    • http://dogalijun.scienceontheweb.net/the_boy_in_the_striped_pajamas_book_characters.pdfIn PDF document text
    • http://lajodibibodi.getenjoyment.net/steins_gate_0_route_map.pdfIn PDF document text
    • http://simopuvoramawu.mywebcommunity.org/55126361830.pdfIn PDF document text
    • http://suvekitubexeso.getenjoyment.net/sex_offender_registry_nc_law.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://a2ae8793-a99f-480d-a3bc-849ef63d34f7.filesusr.com/ugd/cc207a_5a22d4cb9d324478acaf6a1d0cc5106e.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/0e1222d1-7a1a-4db3-b286-4c291dfe9791/11363484992.pdfIn PDF document text
    • https://5a6df620-610b-4d6f-8f1b-71e936bb70bc.filesusr.com/ugd/1f5cef_28beb6cb06aa46769197c21c9ba724c9.pdf?index=trueIn PDF document text
    • https://c1d61d78-9bae-425c-b347-ee91470fe4f1.filesusr.com/ugd/60933b_a35b07a105434212ae6a6b6e673a25e8.pdf?index=trueIn PDF document text
    • https://14535e1a-360a-4d01-a655-fa33e115c80e.filesusr.com/ugd/b222ea_e2cb4014a041411d947c83db82b27491.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/a284d321-c210-4c02-860d-745f921c9a64/39934387308.pdfIn PDF document text
    • https://s3.amazonaws.com/lomuper/the_history_of_literary_criticism.pdfIn PDF document text
    • https://s3.amazonaws.com/jevelel/50364348618.pdfIn PDF document text
    • https://s3.amazonaws.com/wudibirewuduto/fatca_and_crs_reporting_cayman_islands.pdfIn PDF document text
    • http://kutoxinupuroxo.onlinewebshop.net/what_is_the_bright_line_diet.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0ed9c991-e470-4eba-90c2-53a17bcb9691/tepumexojizus.pdfIn PDF document text
    • https://f06ae689-34e6-4fd9-b749-a5985747e370.filesusr.com/ugd/4117a9_a619aba5ecff49ea8c9865027acde6d1.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/fejififimaketo/pink_suedette_platform_ankle_strap_heels.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_off00010034.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10034 5312 bytes
SHA-256: 6a97f53f7661160038fc3decaa10e0245ec0d07a543de41e29cb8d57b43cf724
font_01_sfnt_off00011227.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11227 10228 bytes
SHA-256: 04585290e66e71137daeaa1524bb88a9e155540d88ca861f3b06344231a168cc

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