Malicious PDF — malware analysis report

Static analysis result for SHA-256 474fafc21ac707d9…

MALICIOUS

PDF

72.9 KB Created: 2021-03-10 07:45:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 59032020b84af96bcd1b6251670ca2ce SHA-1: 40871c1b6209828476a7cbd42ca8f2dd69e0dbeb SHA-256: 474fafc21ac707d939eacfc9ba3a173fa527df11da75a3eb272aa8d65f930d89
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://xajibur.ru/wix?keyword=ugly%2527s+electrical+references+pdf PDF link annotation
    • http://maxobujixeweden.sportsontheweb.net/who_manufactures_coachmen_rv.pdfIn PDF document text
    • http://tulomodev.getenjoyment.net/myers_briggs_test_free_online_humanmetrics.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413363/normal_5fdd0019c548f.pdfIn PDF document text
    • http://beviluxenumiliv.mywebcommunity.org/all_modal_verbs_in_english_grammar.pdfIn PDF document text
    • http://maroron.22web.org/84672643912.pdfIn PDF document text
    • https://cdn.sqhk.co/tamejenonisi/XiuieyD/confluence_template_variables_in_title.pdfIn PDF document text
    • http://wunadimizurened.medianewsonline.com/zowisavegasute.pdfIn PDF document text
    • https://cdn.sqhk.co/tozegatopaxu/f1Gjijf/first_words_for_baby_colors_shapes_numbers.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4371020/normal_5fe224127f3ff.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459777/normal_5fe44d0a40d1e.pdfIn PDF document text
    • https://cdn.sqhk.co/najuvotuwoz/jbCRhcg/zonebixitonevu.pdfIn PDF document text
    • http://tuligofabuwisa.22web.org/xotud.pdfIn PDF document text
    • http://potuxoposutu.medianewsonline.com/what_is_modal_auxiliary_verb_with_examples.pdfIn PDF document text
    • https://cdn.sqhk.co/xubuzivo/O0gjtEz/zuvesokaz.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/nisoxow/7669227204.pdfIn PDF document text
    • http://xoviketi.epizy.com/touch_vpn_for_windows_7.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2d9d3f88-805a-4132-a8f4-a00b12f65552/salems_lot_1979_full_movie_putlockers.pdfIn PDF document text
    • https://s3.amazonaws.com/xukonakefules/blue_crab_fishing_report_ct.pdfIn PDF document text
    • https://s3.amazonaws.com/nilafafakem/quiboloy_stop_meme_template.pdfIn PDF document text
    • https://s3.amazonaws.com/vovopafubipu/pufanozujefinudifugedezu.pdfIn PDF document text
    • http://kuxixatizoxop.epizy.com/tugoramaxemib.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ed7eb8f0-ea77-43af-b275-42133a0fc29c/zumarewivavawu.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_off0000df45.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF45 5448 bytes
SHA-256: 37dc18dc48a2d8ab27b24384bff76b5484f3b540504363c058fdf949ea8a8898
font_01_sfnt_off0000f1f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1F7 10784 bytes
SHA-256: a41fd359af4ae0770a8f942b9487bf8a619a1e5d01404658e2bcf88815a71f54

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