Malicious PDF — malware analysis report

Static analysis result for SHA-256 dae65203388b42de…

MALICIOUS

PDF

76.6 KB Created: 2021-03-25 00:15:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e6b6d05c4021ce492975e1715692aad3 SHA-1: 9d06aa3e793e267f78823e08dbc65cd59418af91 SHA-256: dae65203388b42de83983512e7f3e3611b55b81b5402144bebeb3a9cdb052d8b
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. The presence of multiple suspicious URLs further supports this assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://botokaw.ru/123?utm_term=the+ides+of+march+imdb+parents+guide
    • https://cdn.sqhk.co/xuwifoviwalo/iE8kggq/81789369982.pdf
    • http://bopolubolef.mywebcommunity.org/newovepakebunuworukugefal.pdf
    • https://cdn.sqhk.co/daxozazon/fihgcia/larojunafoj.pdf
    • https://cdn.sqhk.co/kagixepo/CjfQxhh/rikopadupewisekokasazik.pdf
    • https://cdn.sqhk.co/merabuvi/vjehbii/todolorutowekomakaziw.pdf
    • http://natur-bio.space/mr_heater_big_maxx_pressure_switch_problemsuwc6d.pdf
    • http://stroymarketmetal.ru/how_much_are_pfaff_sewing_machineseo5zu.pdf
    • http://wafezenatina.iblogger.org/38283078739.pdf
    • http://ita-yog.space/2020_tamil_calendar_muhurtham2am8r.pdf
    • http://kubosikavudux.mygamesonline.org/vigije.pdf
    • https://cdn.sqhk.co/veleviziwew/IPNMib4/94921500852.pdf
    • http://visemomasa.66ghz.com/wevejojasetuwej.pdf
    • http://wipunemobak.mygamesonline.org/aprender_hablar_italiano.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://zesubilav.epizy.com/turoba.pdf
    • https://uploads.strikinglycdn.com/files/0f753318-d146-4d26-b0d3-d232b084e95a/the_complete_film_production_handbook_companion_website.pdf
    • https://8458b573-1d6d-478c-912c-b10a972f31df.filesusr.com/ugd/150112_73142a11f94c44d7bde0e85d91d1329b.pdf?index=true
    • https://0306adf0-382e-42f1-903d-71c3961c97f1.filesusr.com/ugd/7ff653_b935f172b28d4934a32e7f2e70a2b755.pdf?index=true
    • http://nidawumatori.rf.gd/play_games_with_friends_iphone_android.pdf
    • https://a43ab9c2-5efb-4cee-ac06-b782a0f5e207.filesusr.com/ugd/4826f5_72c7967ff97c4bbbb8196086d183947e.pdf?index=true
    • https://uploads.strikinglycdn.com/files/b8e525b9-da58-4fd0-97ee-f6e9cb9fa0bf/lorex_eco2_replacement_camera.pdf
    • http://nevabaza.atwebpages.com/konica_minolta_bizhub_185.pdf
    • http://sedejavuguz.rf.gd/best_free_games_for_android_tv.pdf
    • http://xikusaduxofi.atwebpages.com/63421345695.pdf
    • https://uploads.strikinglycdn.com/files/a8ec66a4-be4e-4876-9720-62df6b122860/lozavatikozonusunodugoz.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_off0000ed18.bin
7c3fdbb02036cec7528323b2733424bcfa922ae322b4a4aed87bcc3865677082		 pdf-font-stream PDF embedded font (sfnt) at offset 0xED18 5624 bytes
font_01_sfnt_off00010005.bin
eab6ac7f7bacff35b3c6534fc5431cffd86f82e91ba3df8570c98b7840b5d5d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10005 11032 bytes

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