Malicious PDF — malware analysis report

Static analysis result for SHA-256 b437221f84964c6a…

MALICIOUS

PDF

79.2 KB Created: 2021-03-25 13:27:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2ffb45ed04a239efcf6a39593d542096 SHA-1: 7d25331d91c7de79226ef0d026e20b79888572fc SHA-256: b437221f84964c6a52b3aabb947f4581d5ef911a1090e682dcce265fc01c42cc
96 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The embedded URL, 'https://pelibifir.ru/wix?keyword=bundu+mask+sotheby%2527s', suggests a phishing or credential harvesting attempt, likely disguised by the document's content. No scripts were extracted, but the PDF structure itself facilitated the inclusion of the malicious URI.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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://pelibifir.ru/wix?keyword=bundu+mask+sotheby%2527s
    • http://fusobilel.iblogger.org/health_and_safety_training_hamilton_nz.pdf
    • http://raisinshq.club/best_baby_name_book_with_meanings90w6t.pdf
    • http://tizezs.xyz/class_1_maths_worksheet_downloadw4qjg.pdf
    • https://cdn.sqhk.co/mofijovelu/cLjdLii/nejexizakezefobupemubife.pdf
    • http://fakutavavuzixin.22web.org/best_tamil_romantic_novels_2020.pdf
    • http://theboldpantsproject.com/tyre_pressure_conversion_chartwtfwq.pdf
    • https://cdn.sqhk.co/gidetixi/ibhgjbW/mp3_player_downloader_for_pc.pdf
    • http://lixejinokegiror.22web.org/35007156832.pdf
    • http://pisibebix.22web.org/kazedamikekaxez.pdf
    • http://wuvubamunojiw.22web.org/finidososuwosam.pdf
    • https://cdn.sqhk.co/zuxifobiro/gjihfjc/dijodusojikito.pdf
    • https://cdn.sqhk.co/busibelifiv/agjhcjb/beautiful_wallpapers_for_whatsapp_background.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://8459f3b7-b2e6-4b58-af31-5f29adf293b7.filesusr.com/ugd/a68450_ef8ab12123764abf90acbc14644e7250.pdf?index=true
    • https://uploads.strikinglycdn.com/files/915f478b-198b-42e3-8626-aaf1c0ff39f4/40956193308.pdf
    • http://gujimimokogofe.rf.gd/sexaguligelosolaliveguba.pdf
    • http://vizokipinebawik.rf.gd/can_you_use_magic_mouse_with_iphone.pdf
    • https://uploads.strikinglycdn.com/files/bbd326f3-c0ba-471f-9473-6905c4d2ffa5/13318886661.pdf
    • http://gamugeko.rf.gd/hd_picture_black_background.pdf
    • https://73f4d879-981c-49fe-abc7-520f36a14a84.filesusr.com/ugd/b77b08_6d93fdd4945a4c8e8952626bda227db8.pdf?index=true
    • https://uploads.strikinglycdn.com/files/abcd06c2-535e-4077-bd87-2ac05c69aa0f/igloo_ice102st_troubleshooting.pdf
    • https://uploads.strikinglycdn.com/files/0366a0da-1734-4db7-a1a3-e0833fd3e4e7/where_can_i_lookup_sex_offenders.pdf
    • http://vapesonas.epizy.com/air_pollution_articles_for_students.pdf
    • http://demudixidetaku.rf.gd/xazesa.pdf
    • https://7404da97-7fcf-4d5f-9d5f-3f8644e6773a.filesusr.com/ugd/35f767_58880b837bb44d94ae1dde38b5fede54.pdf?index=true
    • 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ece7.bin
8ebd5bcf312969f74ac217adecbc8d9c88e920c8a00e454d6085dd815a698cfa		 pdf-font-stream PDF embedded font (sfnt) at offset 0xECE7 5160 bytes
font_01_sfnt_off0000fe4a.bin
bc38d1c4440d4280a64412fd6be0f1b2244700d6e8e475b7ace1750bc6d04fab		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFE4A 10396 bytes
font_02_sfnt_off000121ae.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x121AE 4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.