Malicious PDF — malware analysis report

Static analysis result for SHA-256 99eee6a6f3d9dfe1…

MALICIOUS

PDF

61.8 KB Created: 2020-12-01 12:21:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 45e9ab33790dcf862367e755b4f6ada3 SHA-1: 1f88969067b0a2676f31e03e8f919be3292d3259 SHA-256: 99eee6a6f3d9dfe1aeb41b89105a6d02f1092b0ab38d6576f049a70e399dbaeb
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://traffset.ru/aws?utm_term=cavaleiros+do+zodiaco+dublado+completo PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4403533/normal_5fa1a6aba0da3.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/2a10f591-95d4-4848-a9a6-31957b739511/23959286138.pdfIn PDF document text
    • https://s3.amazonaws.com/vasagesorajirem/mize_high_school_mississippi.pdfIn PDF document text
    • https://s3.amazonaws.com/kulinisokakewi/escaping_the_prison_stickman_games.pdfIn PDF document text
    • https://s3.amazonaws.com/saziwijaxodav/orange_hunting_vest_with_pockets.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2ab991a8-94cf-4936-822c-7d47499a8571/22078327183.pdfIn PDF document text
    • https://s3.amazonaws.com/mexesazaxasa/xewudezavigu.pdfIn PDF document text
    • https://s3.amazonaws.com/zarelusipofox/nanomasazidawiwuputamedom.pdfIn PDF document text
    • https://s3.amazonaws.com/fodose/gulzaar_chhaniwala_kasoote_2_video_song.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ef224f21-20c6-4c02-9393-29a18ab519df/redeg.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/29909464-9b7b-405a-bd2f-6dc09868c38c/18167033558.pdfIn PDF document text
    • https://s3.amazonaws.com/nokiwovowus/mapa_politico_de_puerto_rico.pdfIn PDF document text
    • https://s3.amazonaws.com/rikolesafuwofar/n._o._v._a_game_for_mobile.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/79e7853c-c1b4-4a03-b546-13ae593b1f1c/90235190984.pdfIn PDF document text
    • https://s3.amazonaws.com/jifesu/ff6_terra_s_theme_sheet_music.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b63660f9-a5a8-47d6-8c96-1a223cf9d36f/86701874271.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_off0000b31d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB31D 5376 bytes
SHA-256: b05753e6a5b16624031e974fe565cb96951907deee788b468822c44f13f3ea79
font_01_sfnt_off0000c552.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC552 11328 bytes
SHA-256: bbe0d9766c3f08b8c38ee60ed01c122c14d4055e730069ea7b6f087a0e274add

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