Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb68765433663919…

MALICIOUS

PDF

85.9 KB Created: 2021-04-05 03:39:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2483e3f65cde5b41f84049c4623252a2 SHA-1: 79ef750cca6a934d27cdc1ea2c3767cc6986a853 SHA-256: bb687654336639199ff38100464a0fba45bf704a7c23b634a7a04d10462cf4f7
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that, when visited, appears to be a search result for 'stone poneys lead singer'. This suggests a phishing or social engineering attack aiming to redirect the user to a malicious site. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://golowaki.ru/wix?keyword=stone+poneys+lead+singer
    • http://dukepiweg.iblogger.org/modern_britain_history.pdf
    • http://daparewipubuzes.22web.org/aruvi_movie_trailer.pdf
    • http://verifybadgehelp.com/how_to_check_car_seat_expiration_britaxau7sx.pdf
    • http://stroiline74.ru/4_pics_1_word_level_2390_answervexqx.pdf
    • http://picsonair.com/how_do_you_read_winds_aloft_chartsy9btg.pdf
    • http://kosodidaxelo.22web.org/the_wonder_weeks_book.pdf
    • http://gelchlen.fun/dapofixavexnv2.pdf
    • http://fragcups.com/562654738530ixva.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://luxupuxud.myartsonline.com/nfl_weekly_schedule.pdf
    • https://uploads.strikinglycdn.com/files/33bc137c-252e-4819-a18a-b8811b4ac248/wopoxeratupen.pdf
    • https://uploads.strikinglycdn.com/files/d875d316-172b-4879-91a4-183df768c9ac/hamilton_beach_0.7_cu_ft_microwave_oven_walmart.pdf
    • https://uploads.strikinglycdn.com/files/49aab568-059f-4170-bcf3-fe23437072ed/what_does_peo_model_mean.pdf
    • http://batefagut.epizy.com/kagaxezexudevele.pdf
    • http://toxukanubevaga.rf.gd/how_to_learn_enochian_language.pdf
    • http://vakorizu.epizy.com/strengthsfinder_2._0_test_free.pdf
    • http://rejamokag.rf.gd/audiovisual_translation_subtitling_jorge_diaz_cintas.pdf
    • https://uploads.strikinglycdn.com/files/ee85db73-2e7d-4ced-89c5-df1c47fd3df0/honda_6500_generator_for_sale.pdf
    • http://tavamikilav.myartsonline.com/somebody_anybody_nobody_something_anything_nothing_exercises.pdf
    • http://bobixupeto.myartsonline.com/hematology_atlas_download.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000111f4.bin
cdfda54703861874204f311600d136b19eeeecb1d536ec0397ff46774b0ebe69		 pdf-font-stream PDF embedded font (sfnt) at offset 0x111F4 5332 bytes
font_01_sfnt_off00012427.bin
bfbd7fc731809183bd0f4676260356b4582af66ec53b4e137fa4ecafa2406324		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12427 11188 bytes

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