Malicious PDF — malware analysis report

Static analysis result for SHA-256 e620ff6e0668175f…

MALICIOUS

PDF

70.2 KB Created: 2021-03-31 15:12:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 24f1f30235411b96bb5d4cb4b6044934 SHA-1: b15dfb3de412e5b9d00381ec91a34a6322b688ee SHA-256: e620ff6e0668175f35c240852becb11e207cd3cff9e4ce899072ac15f8408b22
96 Risk Score

Malware Insights

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

The file is a PDF document that contains an embedded URI pointing to a suspicious domain, identified by heuristics and a machine learning classifier as malicious. The ClamAV detection further confirms its malicious nature. The document body, though heavily obfuscated, suggests a lure related to 'social media ppt', likely intended to trick the user into visiting the malicious URL for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9960

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://resalured.ru/strik?utm_term=advantages+and+disadvantages+of+social+media+ppt
    • http://zesaguzijor.mypressonline.com/save_all_figures_to_matlab.pdf
    • http://wonuwomola.iblogger.org/74402382388.pdf
    • https://kidivine.weebly.com/uploads/1/3/4/5/134576756/cef79debe.pdf
    • http://jushq.club/what_is_a_positive_linear_association99ngb.pdf
    • https://fozegujulukov.weebly.com/uploads/1/3/4/4/134459046/nixude_kopedozure.pdf
    • https://mosagalalevo.weebly.com/uploads/1/3/4/6/134668437/zapozokomurow.pdf
    • https://velupilarase.weebly.com/uploads/1/3/5/3/135341581/sorop-jorufimisideb.pdf
    • http://toolsbestpricemicrometer.site/what_are_the_three_components_of_deterrence_theory_and_how_do_they_work301jv.pdf
    • http://1xbet-registr.site/wisotanexurodibunigvs5z.pdf
    • https://vuxosulaleko.weebly.com/uploads/1/3/2/6/132695375/jefotowesefiru.pdf
    • http://tumugake.iblogger.org/cancer_de_mama_inflamatrio.pdf
    • http://jevosetixa.iblogger.org/tipos_de_lodos_activados.pdf
    • https://dakesepev.weebly.com/uploads/1/3/4/3/134308776/383f6bdf1b2.pdf
    • https://gupebuxoguwev.weebly.com/uploads/1/3/4/3/134381402/dozebelilabub-fogikidedixama-nujipewipekaje-xorapizoxol.pdf
    • https://mamufitixiru.weebly.com/uploads/1/3/4/6/134640278/zugiv-miwebojezunot-xazudeveseme-jopega.pdf
    • http://ritibaj.22web.org/old_bike_race_game_for_pc.pdf
    • http://trixy-matrix.space/758018162717ju29.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://ragigixo.epizy.com/turning_operation_on_lathe_machine.pdf
    • http://dowuvoduwitovos.atwebpages.com/introduction_to_modern_photogrammetry.pdf
    • http://fikelamizogu.myartsonline.com/approaches_to_critical_discourse_analysis.pdf
    • http://solugivewatewa.myartsonline.com/business_letter_examples.pdf
    • http://bubilegire.epizy.com/12_tenses_in_english_grammar_with_examples_in_tamil_download.pdf
    • http://nutonujisebife.epizy.com/optiplex_780_specs.pdf
    • http://dizogusuvi.rf.gd/29716176815.pdf
    • http://mogonowipekizo.epizy.com/torewikazuwewadu.pdf
    • http://bajekixizosi.myartsonline.com/45595820183.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_off0000d718.bin
3d8df853b3afe05c909e6edc9dcc29d1167d60f3b939deb23dca6a2a3fbde6b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD718 5428 bytes
font_01_sfnt_off0000e993.bin
55218b079ab03e40f2c5c450934e4757b1a97a81ff545159d4c947000f984f23		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE993 9732 bytes

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