Malicious PDF — malware analysis report

Static analysis result for SHA-256 104f3630418a5814…

MALICIOUS

PDF

83.7 KB Created: 2021-06-01 05:28:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a140aca742424c0b1231e48a5901658c SHA-1: ecdf8fd12363f23ac187c5cb525a0a32e522f6d9 SHA-256: 104f3630418a58145fddc254390d978b4e182614a0494218e04546c1da34b543
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The embedded URL, 'https://garglob.ru/pbw?utm_term=download+twilight+sub+indo+full+movie+2', suggests a phishing or malware distribution lure, disguised as a movie download link. While no scripts were explicitly extracted, the PDF structure and the nature of the URL point towards a phishing attack vector.

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://garglob.ru/pbw?utm_term=download+twilight+sub+indo+full+movie+2
    • https://cdn-cms.f-static.net/uploads/4484633/normal_6069c455392d2.pdf
    • https://cdn-cms.f-static.net/uploads/4455884/normal_603d6f6225b98.pdf
    • https://static.s123-cdn-static.com/uploads/4469828/normal_5fc715dee634b.pdf
    • https://static.s123-cdn-static.com/uploads/4367952/normal_5fe402a1f3290.pdf
    • https://cdn-cms.f-static.net/uploads/4416495/normal_601d94e525f2a.pdf
    • https://cdn-cms.f-static.net/uploads/4403689/normal_60410aa65ba11.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/96efd01b-f6c2-4192-be1f-07bfa70ec93e/canon_speedlite_430ex_ii_not_working.pdf
    • https://uploads.strikinglycdn.com/files/16087eb4-5e02-4df9-90b1-0509b216a44b/breville_toaster_oven.pdf
    • https://uploads.strikinglycdn.com/files/78991a08-8bfc-4e0b-b35f-a5abccef31f7/trx_beginner_workout_amy.pdf
    • https://uploads.strikinglycdn.com/files/ad1598ec-4e0d-4c94-a4b5-0de04bb065ba/tuzazimalelodege.pdf
    • http://pitevaj.pbworks.com/w/file/fetch/144423060/pokemon_randomizer_nuzlocke_nds_rom.pdf
    • https://uploads.strikinglycdn.com/files/26dec128-2332-45d8-a9a4-51f5591ed672/gikejomefapogelu.pdf
    • http://zabodovojif.pbworks.com/w/file/fetch/144425967/rutumunugepirunetamud.pdf
    • https://uploads.strikinglycdn.com/files/bebe504c-4d58-44dc-a83b-f7222dc1f26e/how_much_is_a_2019_club_car_golf_cart_worth.pdf
    • https://uploads.strikinglycdn.com/files/5201c447-d48c-4098-b40a-4ae2a34580ac/arduino_nano_33_iot_esp32.pdf
    • http://venatulafiz.pbworks.com/w/file/fetch/144425490/all_pokemon_seasons_dvd.pdf
    • https://uploads.strikinglycdn.com/files/a386b4c9-b08f-4b91-8723-a167a16ea137/64974148792.pdf
    • https://uploads.strikinglycdn.com/files/62de578f-659a-4c12-9c66-736b5e81166c/ejercicios_resueltos_de_limites_laterales_finitos.pdf
    • https://uploads.strikinglycdn.com/files/6575447c-0dac-494e-b95b-ed43817e065e/93267659222.pdf
    • http://ziduzobif.pbworks.com/f/what_is_reddit_transparency_report.pdf
    • https://uploads.strikinglycdn.com/files/6a910061-520e-4698-9b0b-140cf70e474c/clases_biblicas_para_ninos.pdf
    • https://uploads.strikinglycdn.com/files/17f22b46-ac75-451e-b13f-956c32e9d182/what_is_a_level_g_in_i_ready.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://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f04c.bin
3884b757f848eedd56514f9d11912e8be0d93e46ad7911ac587a9dde7f27d775		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF04C 5648 bytes
font_01_sfnt_off00010385.bin
5fcde99fe6126fec7dcd7aba7b8ded554a078997b849d49af83c0b13cdba7e7b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10385 11076 bytes
font_02_sfnt_off000129a2.bin
c691c2dc236ff1c3149f8178f30dcb30456d959af2bd230901b395ad55359d31		 pdf-font-stream PDF embedded font (sfnt) at offset 0x129A2 16208 bytes

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