Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0444438abe9e018…

MALICIOUS

PDF

132.4 KB Created: 2021-04-01 14:50:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6d2298a117ae77c9ce7e27eae3ea5e28 SHA-1: d7158db22e1ebe6908bf8932b3ec401c8ea0579e SHA-256: e0444438abe9e01813b2fbfef652c4b335d9fa4b76b300f2643c399fda681614
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, specifically identified as a phishing trojan. The embedded URL 'https://maypoin.ru/award?keyword=bibi+fatima+ki+kahani+pdf' suggests a lure related to an award or prize, likely to trick the user into downloading further malicious content. No scripts were extracted, but the PDF structure and URL are indicative of a phishing campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://maypoin.ru/award?keyword=bibi+fatima+ki+kahani+pdf
    • https://katopogovalasa.weebly.com/uploads/1/3/5/4/135401177/digokub-mukanudaz-bomexug-losumolisezasa.pdf
    • http://goossyy.online/tapovogigoxilitowepifult9.pdf
    • http://gitipakivo.iblogger.org/44917650273.pdf
    • https://komibaxes.weebly.com/uploads/1/3/1/6/131606619/2e69c5d542b.pdf
    • http://instasale.company/sagunutowawesike575x8.pdf
    • http://santecmb-sarl.com/why_do_certain_songs_get_removed_from_spotifyj1tpy.pdf
    • https://nizidisifa.weebly.com/uploads/1/3/4/5/134505067/vepitaropoxifixi.pdf
    • http://nuverlites.online/3022806580956nwl.pdf
    • https://nemaxololele.weebly.com/uploads/1/3/5/3/135304154/sibazuwox.pdf
    • http://tb-films.ru/hp_laserjet_1320n_specifications0admt.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://xabiworaw.epizy.com/pojilazizebozagonijisotaf.pdf
    • http://pupojabusito.rf.gd/valikukozok.pdf
    • https://s3.amazonaws.com/gotenukevepunin/campbell_biology_textbook_8th_edition.pdf
    • https://uploads.strikinglycdn.com/files/15a27227-60d4-4e37-bea9-03fa7c66b1bd/zimotagexobiban.pdf
    • https://b3e719cc-30df-460f-a5cd-d2fa480fcfac.filesusr.com/ugd/b2b6a5_1cb9b43df91d479794b6859580a09707.pdf?index=true
    • https://uploads.strikinglycdn.com/files/d2bf679c-eba6-420f-9287-e84e09055fa0/96689786957.pdf
    • https://uploads.strikinglycdn.com/files/8bba7ae3-f188-4351-865d-7dd36bed465b/empi_select_tens_unit_for_sale.pdf
    • https://uploads.strikinglycdn.com/files/919cbc40-45d5-404c-9c33-d1e53e77d60e/wujakazexidupabirewuz.pdf
    • https://s3.amazonaws.com/rebesudanolo/kuwofajux.pdf
    • https://cdfb6f36-dde2-4af5-b3b7-55ff39976061.filesusr.com/ugd/c6ac46_9e4841fbb69344e1bd9faebd928ac050.pdf?index=true
    • https://uploads.strikinglycdn.com/files/e5fde011-749d-4b86-9b06-403b0bcab1f2/wazivifudiwumiboko.pdf
    • http://nafivinada.rf.gd/raymarine_e120_manual.pdf
    • https://2178e3ec-2e0a-46e0-af35-d8a6fdfeb21a.filesusr.com/ugd/c411cf_d9efb7c357204b669c60adb84bf0f33d.pdf?index=true
    • https://s3.amazonaws.com/pibabopuduj/meal_plan_template_word.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_off0001c9b2.bin
66bfd495726c0b0983ed5cc5d59eaff2af77a06d50a2773c531f13ec3c3b6c28		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1C9B2 5228 bytes
font_01_sfnt_off0001db5a.bin
d60c2632bc5fd7ab4a5ac434ca1358bbaffb3b4b7cfa05e16d5c9a403ac16d1d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1DB5A 11964 bytes

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