Malicious PDF — malware analysis report

Static analysis result for SHA-256 5600e04362683658…

MALICIOUS

PDF

81.1 KB Created: 2021-03-17 04:37:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 62271ab860333a9507de14dfcf184eaf SHA-1: d5d51792cadd2ee860e69a4cbd74410efc6277de SHA-256: 5600e04362683658890cb246c05301d4d66331be1824923a4023bfc055d89e8e
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URI that points to a malicious domain, likely intended to deliver a phishing or malware payload. The ClamAV detection and ML classifier strongly indicate malicious intent. The document body, though heavily obfuscated, appears to be a lure related to product replacement parts, aligning with a phishing attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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://midufefew.ru/wix?keyword=backyard+discovery+skyfort+ii+replacement+parts
    • http://wizimesataw.22web.org/61386340381.pdf
    • http://vewazanujuwa.22web.org/82724969607.pdf
    • http://repochka.site/hp_elite_8200_manualkcy89.pdf
    • http://winelorasagi.22web.org/baxolaputazunedinu.pdf
    • http://bopepon.22web.org/annexure_sheet_federal_circuit_court.pdf
    • http://paksorond.xyz/difference_between_honda_eu2200i_and_companion3imde.pdf
    • http://theplafond.xyz/maytag_bravos_xl_mvwb835dw2_manualln0xh.pdf
    • http://sk-anker.ru/734827671020xx70.pdf
    • http://buvozadiveniz.22web.org/wings_of_fire_book_6.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://e4586023-485a-43f1-9451-2d404684c5b7.filesusr.com/ugd/95ff22_bb25981225ff4ea49580a6f656be7a87.pdf?index=true
    • https://e72deea9-3c4d-48de-8429-d2e8e2d5d9b3.filesusr.com/ugd/68b2df_3a26cf3d3dae4339bfc857c6f3c7e451.pdf?index=true
    • http://suluzisose.rf.gd/name_bday_cake.pdf
    • https://uploads.strikinglycdn.com/files/772ec0dd-6376-4ce3-9c6e-faf910acede9/74953917415.pdf
    • http://rusegidi.rf.gd/didarataxebuz.pdf
    • https://s3.amazonaws.com/nitidadufetenu/cake_maker_game_for_pc.pdf
    • https://s3.amazonaws.com/nitizobuv/everfi_module_1-_9_final_quiz_answers.pdf
    • https://uploads.strikinglycdn.com/files/86752bf5-2023-4c41-b65f-97b83ce206df/secondary_drinking_water_standards_california.pdf
    • https://uploads.strikinglycdn.com/files/10f93eff-745e-49a8-80d4-1db9055ffbbb/fogolozuwolenajugup.pdf
    • https://uploads.strikinglycdn.com/files/ff233ea7-78ff-43f5-87e4-1448a3bb51ed/delta_loop_antenna_impedance.pdf
    • http://wisexek.epizy.com/tofatolebezopododumi.pdf
    • https://af18ad75-7652-4b25-b9e0-8da5fded0af1.filesusr.com/ugd/529385_e6cdfbfc8fd8494097f4d723e1f7f9af.pdf?index=true
    • https://e8e87dc5-637d-47ba-9de6-e7d98d123d78.filesusr.com/ugd/a69a03_bf78f706a08d48c785bc5bac4bc10efc.pdf?index=true
    • https://uploads.strikinglycdn.com/files/fcf35b6c-f937-47ff-b13c-46fb1503ee19/76153293263.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_off0000fb0f.bin
17e6546d0873e49d344581f1135c65a1403b7399ec4b6b8c13588fe5ead937ba		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFB0F 5576 bytes
font_01_sfnt_off00010e0c.bin
13d43dbacdba66f038ef71e19fd2539d8433a85569b46fe1371f960aba630d59		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10E0C 12084 bytes

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