Malicious PDF — malware analysis report

Static analysis result for SHA-256 a9a23d2219e48d4d…

MALICIOUS

PDF

73.4 KB Created: 2021-02-28 07:24:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2807d6815f923bc770840e259e977761 SHA-1: 490844232e86b5e46236ac00367c74268ddfbf30 SHA-256: a9a23d2219e48d4d18d9f1b2088bc2390eecc6ca681b664a80e5d0d5103cc105
96 Risk Score

Malware Insights

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

The file is a PDF containing an embedded URL that mimics a search result for a game mod, likely intended to trick users into downloading malware. ClamAV and ML classifiers strongly indicate maliciousness. The embedded URL, https://soxebez.ru/wix?keyword=smashy+road+wanted+mod+apk+1.4.0, is the primary indicator of this phishing attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://soxebez.ru/wix?keyword=smashy+road+wanted+mod+apk+1.4.0
    • https://cdn.sqhk.co/gudijupimeb/hEd3Mhh/best_scrap_copper_prices_near_me.pdf
    • https://cdn.sqhk.co/fuvebopeweb/b9hhibc/bunajinerezorirazebeli.pdf
    • http://milanbeachs.space/adverb_clauses_worksheet_with_answeruzgpp.pdf
    • http://tekplafond.xyz/how_to_read_the_wisc-v_resultsyy5cp.pdf
    • https://cdn.sqhk.co/vanewano/Dmhbhh2/golden_boot_2019_premier_league.pdf
    • http://pawezujexas.mywebcommunity.org/intro_to_javascript_programming.pdf
    • http://fesotisifofil.mygamesonline.org/47597417834.pdf
    • http://ruwegekugite.22web.org/antoine_hubert_formule_2_accident.pdf
    • https://wamukefak.weebly.com/uploads/1/3/5/3/135324497/wemodeterovusom-winowozek-jefesikebiv-xakaxawuguxuped.pdf
    • https://bubosetew.weebly.com/uploads/1/3/4/5/134515161/03fac4.pdf
    • http://nuloriwilorij.scienceontheweb.net/rizisorutijuneligo.pdf
    • https://gejeximiba.weebly.com/uploads/1/3/4/8/134897602/xibogigosuxase_defejaxizase_nupadebeb_fuloviruwig.pdf
    • https://zororoxuz.weebly.com/uploads/1/3/4/3/134309160/fofezami.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/mupukesunobaga/anaesthesia_for_craniotomy.pdf
    • https://s3.amazonaws.com/dozore/porsche_cayman_gt4_performance_parts.pdf
    • https://s3.amazonaws.com/xupizewuxere/brisbane_tv_guide.pdf
    • http://wefulipov.epizy.com/mevipevoxozofurilet.pdf
    • http://bebirugiv.rf.gd/81973506685.pdf
    • https://s3.amazonaws.com/rizijubovapuk/robert_half_legal_time_reporting.pdf
    • http://luwefotikejumu.rf.gd/soundcloud_go_plus_mod_apk_2019.pdf
    • http://kewetevidelumuz.epizy.com/13559776210.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_off0000e252.bin
ba0a00af3680a56b85a45ba5e42503a2ebc2f1b2e27e33d59bda34a57d07cbc6
pdf-font-stream PDF embedded font (sfnt) at offset 0xE252 5844 bytes
font_01_sfnt_off0000f633.bin
7f4657132d6cb22d16c4b4e8c2437f6ff892380a70812902ad6efd18c1ac7e60
pdf-font-stream PDF embedded font (sfnt) at offset 0xF633 9992 bytes