Malicious PDF — malware analysis report

Static analysis result for SHA-256 882eb6267cdaff29…

MALICIOUS

PDF

83.1 KB Created: 2021-04-06 02:16:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-30
MD5: 980ed4b9275f0cd0888f08bab78df0ae SHA-1: 8feb7699be374e5e5ce0ef2ea35946832d32858c SHA-256: 882eb6267cdaff29178c068eb9eed24ac10944557300b447e92ea48b2571677f
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, indicating a phishing or trojan payload. It contains an embedded URI pointing to a suspicious domain, likely intended to trick the user into visiting a malicious site. The document body, though heavily obfuscated, contains text related to 'fossil' and 'artifact', suggesting a lure to a phishing page.

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://xezojetit.ru/strik?utm_term=is+a+fossil+an+artifact PDF link annotation
    • http://tryplafond.xyz/21460455861l3wkt.pdfIn PDF document text
    • https://cdn.sqhk.co/texonatuzi/LGDGXge/93125266172.pdfIn PDF document text
    • https://cdn.sqhk.co/linewebozid/aiaicyr/jixurulafekaxofuwapudave.pdfIn PDF document text
    • https://cdn.sqhk.co/fonowatusopu/hcRhgjc/mizotivitunifumuzawi.pdfIn PDF document text
    • https://cdn.sqhk.co/dakizenewa/bhfhaie/19349502629.pdfIn PDF document text
    • https://cdn.sqhk.co/xenumobavun/4SrRgfj/padegemozuj.pdfIn PDF document text
    • https://cdn.sqhk.co/puzusagilem/uSjdihh/background_for_adobe_photoshop_free.pdfIn PDF document text
    • http://lnstagram-blue-badge-form.com/fufukizelidq63g.pdfIn PDF document text
    • http://ru-1.casa/red_rocket_radio_bopaqr0s.pdfIn PDF document text
    • https://cdn.sqhk.co/fofotixoz/fthfmih/galaxy_shooter_pc_game_free_download.pdfIn PDF document text
    • http://sweetmeet.online/wufizijastxxd4.pdfIn PDF document text
    • https://cdn.sqhk.co/besiwowegin/6jdggii/fivavipanedawu.pdfIn PDF document text
    • https://cdn.sqhk.co/kezavefizi/NjaLnhh/loparijizubawuwijuke.pdfIn PDF document text
    • https://cdn.sqhk.co/towevefizub/emka0ia/dual_monitor_wallpaper_mac.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/kibavutibeved/71309652748.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2ec01b47-6583-49c6-8680-2351df246293/82011309562.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5b15a594-a7d6-49ae-bf92-2d828aec07d1/kakutid.pdfIn PDF document text
    • https://s3.amazonaws.com/jolozidabi/hp_laserjet_pro_400_mfp_m475dw_toner.pdfIn PDF document text
    • https://s3.amazonaws.com/ximupuv/beowulf_hd_movie_dual_audio.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f7a337b9-cf18-4cfb-93fd-41cd2414c06f/ver_pelicula_un_puente_hacia_terabithia_espaol_latino.pdfIn PDF document text
    • https://s3.amazonaws.com/zedudo/getesivexiraxoxupixomotem.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b995dca4-2fef-4c11-b2e7-fe86a1e0ccbd/31547362773.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001089a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1089A 4812 bytes
SHA-256: b499829328de31676d1859c394ba3171dae023a99dbbcde3aefe331f7729ca3a
font_01_sfnt_off00011907.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11907 11304 bytes
SHA-256: df59d28952f4099833d4beb6e9505171b08c6a77d83a0b3d9415198ee6b27064

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