Malicious PDF — malware analysis report

Static analysis result for SHA-256 01d04d3ccaa0477c…

MALICIOUS

PDF

86.8 KB Created: 2021-03-11 10:35:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-20
MD5: 47e07392fdda8f6155e04ed80817f85d SHA-1: fd235d3b4c6883cda89afe336697a33d506952cc SHA-256: 01d04d3ccaa0477cfd0f91d4bff75f059201ba9f5bed27aee5049b63e9d76847
126 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded URLs, with several pointing to unknown or potentially malicious domains, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a lure to external malicious content.

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://seumenha.ru/award?keyword=saddleback+english+grammar+book+1+pdf PDF link annotation
    • http://bbcua.site/pokecord_bot_discordo5fzz.pdfIn PDF document text
    • http://kmikaerfs.ru/lepeboyqusm.pdfIn PDF document text
    • https://cdn.sqhk.co/xakalodesi/jagg7ie/56605544229.pdfIn PDF document text
    • https://cdn.sqhk.co/riwifesineji/hiifgc8/spiral_falling_ball_gameplay.pdfIn PDF document text
    • http://mugedly.xyz/ikea_lagan_dishwasher_installation_manuals3jwj.pdfIn PDF document text
    • https://cdn.sqhk.co/jiluputumusi/iejisfr/td_insurance_auto_centre_calgary_hopewell.pdfIn PDF document text
    • https://cdn.sqhk.co/fofodafexadu/Ihagcig/kegawemilomobuxoxaguwoji.pdfIn PDF document text
    • http://dfds.in/rodupobezusofifexav1qye6.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/53f273ad-75fc-453b-8452-b175922601f7/how_to_change_your_keurig_2.0_filter.pdfIn PDF document text
    • https://b46c4cda-4951-41c0-816f-bbf02eee4d9b.filesusr.com/ugd/4ff992_7047545a9220471cb7d86c8c2977482f.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/popisiburewixuj/new_whatsapp_app_2019.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3451fbb0-2b91-4582-a09a-9a651067aca2/no_game_no_life_release_date.pdfIn PDF document text
    • https://s3.amazonaws.com/safenalavojuwu/pubat.pdfIn PDF document text
    • https://s3.amazonaws.com/pidufozu/17929414833.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8564bfc4-720e-4526-a5b4-6e78d3209a60/taco_bell_steak_quesadilla_nutrition_facts.pdfIn PDF document text
    • https://s3.amazonaws.com/wolina/theme_for_powerpoint_2010_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/15e32520-eb8d-4198-88ea-3db4937092e0/19466510936.pdfIn PDF document text
    • https://39c1d623-eccb-4af0-a86a-15328a2d61f9.filesusr.com/ugd/3cb6cb_c2abff5401d147969156c69868575176.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/dekogamik/metal_gear_rising_boss_guide.pdfIn PDF document text
    • https://4ac36a2f-1533-488b-b282-cf34cdace458.filesusr.com/ugd/bcfc12_e3197c227f2b4a41ac1daa89763342c6.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/f6f4870f-8aa2-4088-9378-d2ad15f55bb4/goat_simulator_switch_cost.pdfIn PDF document text
    • https://86b7bb9a-6a0b-496c-a062-e8aa60c365d0.filesusr.com/ugd/dcf311_8d4d694694b34b8793190b1a8513f786.pdf?index=trueIn 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_off0001162b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1162B 5928 bytes
SHA-256: bf313d3d8eeb610250fc8b81b348e3d0d614ebe6c64be67f89dc23ab8cc2d720
font_01_sfnt_off00012a30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12A30 10476 bytes
SHA-256: d324099f19de4511f7a21944f957835676dc9ec0debc32849f2e4da2c22ee03f

Open this report in the interactive analyzer, or submit your own file for analysis.