Malicious PDF — malware analysis report

Static analysis result for SHA-256 06c2bdca10a6803c…

MALICIOUS

PDF

114.7 KB Created: 2020-12-24 00:18:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: 295ad1f049289c0442dcc28455665b28 SHA-1: 165a4788cf6409219c088c6ebf8ef72177ccb0af SHA-256: 06c2bdca10a6803cbd97c9b5499c60aa4c6c050595de134dc728f4aac6fee978
96 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a malicious site. The document body, though heavily obfuscated, contains keywords that may be used as a lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://trafffe.ru/strik?utm_term=story+mode+minecraft+switch PDF link annotation
    • https://cdn.sqhk.co/telupiza/jeShbPX/1722661212.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/2cfa99b0-536b-4990-b250-ca417f6fbaf2/tubegikarunemewesi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b218f8dd-f637-4b23-9436-4512b277ce27/40_times_escape_level_29.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/651fbd1b-10ab-4666-83a9-f8b06dbe8d1b/strong_versus_weak_acids_pogil_answer_key.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8a927903-db74-4a99-8758-d07083db1e95/lezezufalibod.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5a3a4034-292f-49ed-9fbd-853328d2f308/sojugajixipavojiwek.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2340aea9-5a98-44ef-a645-e01ba2f20478/fashion_girl_dog_names_that_start_with_m.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/76f36c2e-c175-46ea-95c7-6cb52cf10da3/pictures_of_blank_clock_face.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/971727e7-8aea-4cae-90e7-c472f04496dc/plato_symposium_full_text.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1875bf0e-a141-4418-a614-2dbb03c9ecb1/32133533722.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/017c58d9-1f57-45e8-8e9f-66f8ad0db8e8/visagagepomiw.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/085de918-ceda-41d2-b041-f13ad714586b/muxajug.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/557c3564-6206-48dc-aa0e-de00bca1290a/jidovimipekikuxifaj.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e4786681-6d02-4a3c-b53d-c7e6f0089fe8/wellpinit_wa_99040.pdfIn PDF document text
    • https://s3.amazonaws.com/nitajosasa/star_trek_fleet_command_tips_strategy_latinum.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00016807.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16807 3424 bytes
SHA-256: 74f8d5ea9d3dc13c66ead8061e0f20f13c805e3c9a6cd7f37b982e3cdb3c5767
font_01_sfnt_off0001744f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1744F 5316 bytes
SHA-256: dd18738b6fcd8ae37b4fd0fb849e46b26fc41193185dc4d8070a0b14e6ee165c
font_02_sfnt_off00018642.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x18642 11960 bytes
SHA-256: 0b385d04cee90f2c45345746a6c1dd8c17baddde8fd4eb41fbaf5f2014014c94
font_03_sfnt_off0001af14.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1AF14 4324 bytes
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333

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