Malicious PDF — malware analysis report

Static analysis result for SHA-256 d248ed89bde40e80…

MALICIOUS

PDF

245.1 KB Created: 2021-04-06 23:46:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 76e46677b31711a426422e36cc530b46 SHA-1: 72d202f3b40e522567410f49f841148ed701d4f5 SHA-256: d248ed89bde40e80e4c924d15f12736e556115acb573189f2d5c1f717322d58d
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9773

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://baarspo.ru/strik?utm_term=sefer+raziel+hamalakh PDF link annotation
    • https://lisogawe.weebly.com/uploads/1/3/5/3/135312855/f14f0da495acc.pdfIn PDF document text
    • https://cdn.sqhk.co/lasokixon/g3hc8gg/web_designer_job_description_resume.pdfIn PDF document text
    • http://whitetwo.space/lobo_de_wall_street_margot_robbiewvpdk.pdfIn PDF document text
    • https://cdn.sqhk.co/pejinijew/ghZuNhc/20194545475.pdfIn PDF document text
    • https://jovinafunen.weebly.com/uploads/1/3/2/6/132695325/konugazew-zefivat-fawufipu.pdfIn PDF document text
    • https://kujepilam.weebly.com/uploads/1/3/5/3/135343620/1221299.pdfIn PDF document text
    • http://carinsusa.info/spectrum_math_workbook_grade_8_free92cvz.pdfIn PDF document text
    • https://cdn.sqhk.co/noxibogalu/EHgc4hd/clock_change_new_york.pdfIn PDF document text
    • https://cdn.sqhk.co/bitizulokiva/igjh1jg/47963505749.pdfIn PDF document text
    • http://zagavogafewakud.iblogger.org/platform_games_list_pc.pdfIn PDF document text
    • http://esagafow.fun/how_to_short_cite_a_statute_bluebooke711l.pdfIn PDF document text
    • https://xilowodasu.weebly.com/uploads/1/3/4/7/134742848/2151521.pdfIn PDF document text
    • https://zipifotudesa.weebly.com/uploads/1/3/0/9/130969604/xewemetirimebig_sonekes_zifofeponis_xotifu.pdfIn PDF document text
    • https://cdn.sqhk.co/sirazisiluz/jeJFgiD/14630719769.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://lidazadopedu.rf.gd/vujixebufizexapegod.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d2735c7d-3175-40d0-ab34-b75253e49a62/schwinn_exercise_bike_170.pdfIn PDF document text
    • http://bupomejov.epizy.com/jobiwavovoguxuzapuli.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/31e1ab43-416f-4169-8466-3dffd60a5727/nj_drivers_license_change_of_address.pdfIn PDF document text
    • http://vamuxusonepuf.rf.gd/48343528892.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f45bdfc8-c555-4b3a-83d3-1aef7e00a407/fovepuko.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1190d0f1-d7cf-4c3f-be75-476b1a5d8822/d_and_d_5th_edition_players_handbook.pdfIn PDF document text
    • http://bavalibonoz.rf.gd/jijatulozawabevuritu.pdfIn 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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00036d6c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x36D6C 5048 bytes
SHA-256: 5b260764fe7470129717a0ec5a8db6f63daa5a065857b940dc2232bf8f84e023
font_01_sfnt_off00037e72.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x37E72 15184 bytes
SHA-256: b78622bbb45393a0bf454a561b8aca37e70d2d8c4c37a59ebae16ac9577d93ab
font_02_sfnt_off0003af96.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3AF96 16204 bytes
SHA-256: 532315dfdc59b350d447ad91845dd8cc72a836e684f536ab9a4305dc5b53fb8e

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