Malicious PDF — malware analysis report

Static analysis result for SHA-256 dbeb3db68400ed9e…

MALICIOUS

PDF

120.5 KB Created: 2021-03-25 09:39:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 97a948e35633eba9e1a5c7d6c069930e SHA-1: ba8af9fe7c74de108604296ab78e4abbe622b20f SHA-256: dbeb3db68400ed9ec48c56811972bf92a57b3ccacfaea8b3ea12c2ce9dd4a3dd
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 flagged as a phishing trojan. It contains an embedded URL that directs users to a suspicious domain, likely as part of a phishing or credential harvesting attempt. The document body, though heavily obfuscated, contains keywords related to 'Vijayadashami 2020 usa', suggesting a lure to entice users to click the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9924

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://druttle.ru/wix?keyword=vijayadashami+2020+usa
    • http://zawasiki.22web.org/singer_simple_3337_bobbin_case_problems.pdf
    • https://cdn.sqhk.co/sinonari/jfzidvq/.pdf
    • https://cdn.sqhk.co/jerizukop/jbnjaqg/75780738625.pdf
    • http://puxexawug.iblogger.org/la_la_la_free.pdf
    • http://ru-1.casa/rental_receipt_format8r3yi.pdf
    • http://idealicaitalia.website/koneluvumakipebiremomo3e5p0.pdf
    • http://zujuzerawijuk.medianewsonline.com/23633799970.pdf
    • https://cdn.sqhk.co/xovikojux/dQIsggN/mixizufawu.pdf
    • https://cdn.sqhk.co/kogewole/UvSjjid/memezojofawutifamawika.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://fedorahosted.org/lohit
    • http://smc.org.in)MeeraRegularMeera2016SMC7.0.0+20171102Hussain
    • http://smc.org.inhttp://smc.org.in
    • https://uploads.strikinglycdn.com/files/4bacd070-da39-467f-9abe-3018e7565816/wixadojifozip.pdf
    • http://dakamonegip.rf.gd/coleman_powermate_3000_generator_manual.pdf
    • https://uploads.strikinglycdn.com/files/06182d21-cd57-47d5-8c11-dbd6f6279e4c/22536736933.pdf
    • https://s3.amazonaws.com/zerepuzuze/are_mechanics_open_on_weekends.pdf
    • http://vekemelegewimo.atwebpages.com/farobi.pdf
    • https://uploads.strikinglycdn.com/files/532d6228-b92a-4870-b346-7d50acc24664/podofo_7_android_car_radio_stereo.pdf
    • https://s3.amazonaws.com/xefezesebusu/covalent_bonding_worksheet_answer_key.pdf
    • https://uploads.strikinglycdn.com/files/574b0eba-6e68-4db8-b5ac-064b9b5dfe82/mass_communication_living_in_a_media_world_5th_edition.pdf
    • https://s3.amazonaws.com/naxozelozude/jivexedawigatu.pdf
    • http://pevipitoz.atwebpages.com/30308507241.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
    • http://www.geocities.com/mitra_anirban/hobbies.htmGNU
    • http://www.gnu.org/copyleft/gpl.htmRegular
    • https://gitlab.com/smc/meera/blob/master/COPYING

Extracted artifacts 9

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00012df7.bin
3d1933e3346450eaa5b4be6b012349c02505d28c56318c546ca6ec26ac2bff81		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12DF7 5352 bytes
font_01_sfnt_off00014015.bin
adf3441b684f1192ed01d4937bf4eb4cc9abbb5f2d27cf22fd8504510bd7306f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14015 3280 bytes
font_02_sfnt_off00014ce2.bin
5f4e793f184c354eccb1ca3490beb66e5462c853ad101c2567c2c1d37c70c665		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14CE2 4908 bytes
font_03_sfnt_off00015ce0.bin
790efd91bac50a681561034e0e420f60d57735e3254ed250b2869ac8ed6442ae		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15CE0 3312 bytes
font_04_sfnt_off000169d3.bin
a3b31f602679677851d1132c9d3c76b744ea58b46e2e2286e96698c97c8b8a46		 pdf-font-stream PDF embedded font (sfnt) at offset 0x169D3 4336 bytes
font_05_sfnt_off00017936.bin
ad7f4870a1e4395946ca08968a88b114d7a176cb7a77f4df9537e2f7e76846e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x17936 6548 bytes
font_06_sfnt_off00018e46.bin
494c6e3c3a961c1885d49a38246a087398329f2de1575e314d484a7ceee34527		 pdf-font-stream PDF embedded font (sfnt) at offset 0x18E46 12468 bytes
font_07_sfnt_off0001b57a.bin
085032b3ace64aa4b6c936bf8c7b1815d8e0994c69b8ae0f8418650006a9259b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1B57A 3828 bytes
font_08_sfnt_off0001c423.bin
74561746c09d33597e09b3b01fdf68cc258820cb040b8bd3dd59e0e66a0737c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1C423 3440 bytes

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