Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d47d78f5b207073…

MALICIOUS

PDF

250.5 KB Created: 2021-03-22 17:27:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 5039ceafc880fd71e705c1b7c38cc4a4 SHA-1: 44f0304ad5b661ecc10035c4a278be239af84ce5 SHA-256: 7d47d78f5b207073e3fc888e08fb1b8925a53a167f0d6180c524e7549b264c37
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 0.9921

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://dugedepap.ru/award?keyword=surrealismo+no+brasil+pdf PDF link annotation
    • https://lefagetali.weebly.com/uploads/1/3/2/3/132302894/2793f82.pdfIn PDF document text
    • http://wemuwetafivaxe.sportsontheweb.net/river_flows_in_you_guitar_tab_gp5.pdfIn PDF document text
    • https://nupigefaxobabu.weebly.com/uploads/1/3/1/0/131070289/xuwupemazadikim.pdfIn PDF document text
    • https://sufusaripowo.weebly.com/uploads/1/3/1/4/131437865/gupefonuvalekodez.pdfIn PDF document text
    • https://cdn.sqhk.co/piwuzuberaze/pjbiaid/75601477537.pdfIn PDF document text
    • http://kokolonesafu.getenjoyment.net/cuisinart_automatic_grind_and_brew_thermal_troubleshooting.pdfIn PDF document text
    • https://dikekivex.weebly.com/uploads/1/3/0/7/130775400/1178.pdfIn PDF document text
    • http://zibodotuf.mygamesonline.org/59518858531.pdfIn PDF document text
    • https://cdn.sqhk.co/temazajilib/cgcjiib/happy_guts_racing_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/sosexazefip/eicnErx/chess_openings_explained_book.pdfIn PDF document text
    • https://mubatizusilaboj.weebly.com/uploads/1/3/4/4/134475350/tirapisas.pdfIn PDF document text
    • https://cdn.sqhk.co/tajiwikiter/flgcKih/duwabebifo.pdfIn PDF document text
    • https://pobufulali.weebly.com/uploads/1/3/4/4/134494274/e88352d290.pdfIn PDF document text
    • http://lowuwirakob.66ghz.com/bepilifirovolijujumupike.pdfIn PDF document text
    • https://kerawidirara.weebly.com/uploads/1/3/4/7/134746453/b8cf9b00baace2e.pdfIn PDF document text
    • http://bakavorun.getenjoyment.net/technical_analysis_forex_trading.pdfIn PDF document text
    • https://rubexanow.weebly.com/uploads/1/3/5/3/135346757/3b06d2368247b6.pdfIn PDF document text
    • https://munefetuwavebif.weebly.com/uploads/1/3/2/6/132683017/9888824.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/d98e5882-3bc3-4b3d-9b15-a8b8c219057c/98186947822.pdfIn PDF document text
    • http://fuginifetulad.epizy.com/watch_journey_to_the_center_of_the_earth_2_123movies.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cc222725-3f3c-4502-8a6a-85b78ebe21f8/around_the_world_in_80_days_full_movie_download_720p.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0003854d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3854D 5232 bytes
SHA-256: 4aa034c121e1e7217210a22269e151e0677fcc8ab94d71dca527814a68c25708
font_01_sfnt_off000396e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x396E2 18596 bytes
SHA-256: f063b853d22e0539d30d18d633138393964b4ff55c57de81f193d12d42efdb92
font_02_sfnt_off0003cbd6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3CBD6 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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