Malicious PDF — malware analysis report

Static analysis result for SHA-256 3852570fe3ab20d4…

MALICIOUS

PDF

73.3 KB Created: 2021-03-04 18:13:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-29
MD5: fe8162d8dbb0abcb76d66c8e832326d2 SHA-1: 1a8627a8cca6fabb4fd3f4ed7f49160349e272f1 SHA-256: 3852570fe3ab20d494b6b4c1ebea065450f1fc8ad0b438f5ce7b4328f2c28992
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL that, when visited, likely leads to a phishing page or malware download, disguised as a 'Pokemon quest hack'. The document body, though heavily obfuscated, contains references to the lure and the authoring application, suggesting a crafted document for malicious purposes.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://botokaw.ru/wix?keyword=pokemon+quest+hack+ios PDF link annotation
    • https://cdn.sqhk.co/rinugezig/R9ijbgC/classic_movie_trivia_questions_and_answers_printable.pdfIn PDF document text
    • https://cdn.sqhk.co/norekabalak/ejaiZNO/free_music_for_youtube_videos_soundcloud.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383923/normal_60325836d64b9.pdfIn PDF document text
    • https://cdn.sqhk.co/nanijamu/vzhjibG/mifiwofexuwi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470209/normal_5fe9055fd74f8.pdfIn PDF document text
    • https://cdn.sqhk.co/dojidavos/XRjjjgf/12546916653.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4501212/normal_6036b7ee878e5.pdfIn PDF document text
    • http://national-verifyteam.com/free_bill_of_lading_template4j0mm.pdfIn PDF document text
    • https://cdn.sqhk.co/monasomeb/igjeRif/rokugide.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4418984/normal_6008b19162a55.pdfIn PDF document text
    • https://cdn.sqhk.co/pinofizulag/cgh5m2U/gapobur.pdfIn PDF document text
    • http://freshka.fun/peavey_vypyr_vip_2_repairdfxjc.pdfIn PDF document text
    • https://cdn.sqhk.co/xidafigutoxa/hehdhbW/neon_road_friv.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/d8fa2cef-3bd2-4535-819d-d444ca17eefd/53391563035.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e7a0b7b6-5283-4870-aa9a-31e04212228c/kubota_bx25d_cab_price.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7c079bbf-1c3d-46b1-8e34-0bcf122b3f1f/wapojib.pdfIn PDF document text
    • https://s3.amazonaws.com/daraniwekamidir/fitataburevatelixiwo.pdfIn PDF document text
    • https://s3.amazonaws.com/lososimap/zemibijusedazovi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/344f0429-5e7e-4155-a08a-891eb3bd2276/dnd_5e_spell_critical.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e1a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1A7 5100 bytes
SHA-256: 7cd6da7022f3f64758d75f16a593803837486600c77e3c6deb5faf5559fbba5e
font_01_sfnt_off0000f2e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2E7 11112 bytes
SHA-256: d764f1dbaa43e2baffd373164084f49d3e1bc0146b4893805f6194db82c0223d

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