Malicious PDF — malware analysis report

Static analysis result for SHA-256 e47688c1e1e3efdc…

MALICIOUS

PDF

81.9 KB Created: 2021-03-14 04:55:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 7503a81e774d88b69c75049dc332fbd2 SHA-1: 9bbab5395e6f2e2b5f0b6592e34d3432d3e91f2b SHA-256: e47688c1e1e3efdc71efe84a707b2a425caa5f81cc05fca12a9a42c4ab31d86e
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 0.9967

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://xajibur.ru/strik?utm_term=maze+runner+the+death+cure+book+pages PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4402721/normal_5ff7e870c0429.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484632/normal_5fd36ce9ca976.pdfIn PDF document text
    • https://cdn.sqhk.co/tixukiko/Ngi7nQ7/bisegaw.pdfIn PDF document text
    • https://cdn.sqhk.co/rudixika/gchchfv/25899533373.pdfIn PDF document text
    • https://cdn.sqhk.co/lafixafif/ifGhggh/vba_select_cell_on_inactive_sheet.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4455659/normal_604076dea63c7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4464878/normal_602ea3f7561ee.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4486359/normal_60379d5f1c22c.pdfIn PDF document text
    • https://cdn.sqhk.co/texekikevow/h2Mjjih/bagazumotilov.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4380699/normal_60047828486a3.pdfIn PDF document text
    • https://cdn.sqhk.co/luwesefizi/iciaCjj/xojidunepo.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4453327/normal_5fdf2aa068a03.pdfIn PDF document text
    • https://cdn.sqhk.co/jufenakajo/iihgSjc/remixes_of_popular_songs_spotify.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4453326/normal_6001aa27ced3c.pdfIn PDF document text
    • https://cdn.sqhk.co/remonupode/ZbW4he2/malwarebytes_anti-_malware_new_version_free.pdfIn PDF document text
    • https://cdn.sqhk.co/gixotagokezu/hajd9ha/celestial_seasonings_tension_tamer_side_effects.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4457563/normal_60349c282a358.pdfIn PDF document text
    • https://cdn.sqhk.co/nezusoxe/5ibhixN/platformer_games_pc.pdfIn PDF document text
    • https://cdn.sqhk.co/bezakebijuk/bZXgfhc/33833845340.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4479460/normal_5fdf466797f54.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/bfb13fee-104c-4341-8ff4-4beeab7b7a2c/south_african_food_calorie_list.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f4947e03-e4e4-441b-922a-7f544ba84038/toyota_corolla_gli_2016_for_sale_in_lahore.pdfIn PDF document text
    • https://s3.amazonaws.com/fajujiju/calendar_2020_vector_free.pdfIn PDF document text
    • https://s3.amazonaws.com/gateme/zugidinetej.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f7133fa5-25f2-4f8f-b56e-f090bf75fa46/liraxikurularikoweligit.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b1fbd7e3-448b-45a0-b8b5-6fd7cb5822b4/reluctant_fundamentalist_meaning_in_urdu.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_off000100b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x100B8 5560 bytes
SHA-256: 5e54e5409ab935aa31b1e55b2e4d8456dd8f34224ab4e37c1aec512175fe0246
font_01_sfnt_off000113a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x113A9 11296 bytes
SHA-256: e9ce8fad57dc66031841c9ca9dc54bae38cf1dc90afc6df9c21ec24b5565648b

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