Malicious PDF — malware analysis report

Static analysis result for SHA-256 7126e15480389957…

MALICIOUS

PDF

204.1 KB Created: 2021-03-16 21:45:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 95a479e90e83026c74f47f32e70c8e0f SHA-1: 968c554d8860811a6a9fac334e1ada60d04b0bb6 SHA-256: 7126e154803899578bee4e0963887855b2c30a69b5eea9afab2892221d0d08ae
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a suspicious domain, likely as part of a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to trick users into visiting a malicious site, potentially leading to further compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9654

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://gimoguvi.ru/strik?utm_term=when+did+islam+come+to+china
    • http://sawemawe.mywebcommunity.org/how_to_use_wps_connect_wifi.pdf
    • http://kutatit.getenjoyment.net/supernatural_cast_season_13.pdf
    • http://povisowalikim.scienceontheweb.net/companies_acceptance_of_deposit_rules_2020_mca.pdf
    • http://gekifek.scienceontheweb.net/que_es_estar_como_agua_para_chocolate.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://86a9da1b-0b57-4b35-a77a-523886b904cd.filesusr.com/ugd/0d9a50_8d16d26081834f599b06f086bd42b180.pdf?index=true
    • http://malakevuxe.epizy.com/how_to_trade_trends_in_forex.pdf
    • https://f733e552-90a1-4d1f-83ca-a6b36afcf31c.filesusr.com/ugd/38bf1f_7d5b30875acd4c30bee2ae1bed0bae0b.pdf?index=true
    • http://juzujodajemafa.rf.gd/19282436082.pdf
    • https://011f98f8-b45f-4578-a2fd-466b530f7845.filesusr.com/ugd/74e905_34f98bd4013c4902bc0bc01ef9ff0516.pdf?index=true
    • https://35548484-ce42-4b18-9d9d-834326683263.filesusr.com/ugd/a221b6_fd91bfb9ee6345cda1644cba83e21b02.pdf?index=true
    • https://6f847715-c85a-45d9-ae5c-7c68cc800588.filesusr.com/ugd/6e100b_a1076a6eb19444dea626e9eef5731748.pdf?index=true
    • https://a68e2ff5-bf17-48e3-82d4-ceb975b85758.filesusr.com/ugd/760101_8a7a83cac7d94f38bf60f94e59bbbaa9.pdf?index=true
    • https://s3.amazonaws.com/risalenefazozo/nekimisijafefagila.pdf
    • https://0ea28b16-58c2-472d-b6be-3e97fe9b7bb6.filesusr.com/ugd/696b8a_d41c85f726824d56a4dcbf23bdaf7700.pdf?index=true
    • https://77483064-5892-4b52-b419-66e751946b77.filesusr.com/ugd/ef7b09_f70aa65c68624ff8b97a7f4bd592080c.pdf?index=true
    • http://kilubediboxut.rf.gd/84529417921.pdf
    • https://0fe83ef2-ed6b-4f04-a52d-31fe3c58d8d1.filesusr.com/ugd/ade4e6_eea20c212d33411db839baa46599fe9a.pdf?index=true
    • https://fb5b3b17-6e6a-47c5-ae49-26eddba71e57.filesusr.com/ugd/aff7be_8599c39bb435409aab309ca6763a9246.pdf?index=true
    • https://s3.amazonaws.com/pusori/dasikenet.pdf
    • http://wipadafefuxasi.onlinewebshop.net/24733208191.pdf
    • https://ce3a146a-d504-4efb-981c-4593fb85d965.filesusr.com/ugd/5b5da7_4e8d7510979a41ae935c7ca2c6cdc1a3.pdf?index=true
    • https://s3.amazonaws.com/tesotiwapax/drawing_geometric_shapes_worksheets.pdf
    • https://6a421494-2577-4416-904f-e17348f56b63.filesusr.com/ugd/85e76a_ea9304526a4642cc93b6282376fae89d.pdf?index=true
    • https://83d12552-0bc1-4415-b221-1da25caacb9b.filesusr.com/ugd/1e11d0_e08716e9ce2344fd89d3724211086a62.pdf?index=true
    • 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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000223ff.bin
d9392d42c25706620d61bcf2d022e94c1034d28b4d7a52e664e56b2016ed95c6		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x223FF 56780 bytes
font_01_sfnt_off0002cf40.bin
7955f1c450c39d25cc1216ef7e54e4639ceee1ac3be7b17e27f5f041c7a80c3c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CF40 5096 bytes
font_02_sfnt_off0002e07a.bin
bbf727211dd9d0b955e5c087d644f0ed8a562256876b9828beae499905f25d25		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2E07A 14348 bytes
font_03_sfnt_off00030cb4.bin
99ddc6f5858eb134f8024171ebe717cbd02485c31471b921a5021903b5272953		 pdf-font-stream PDF embedded font (sfnt) at offset 0x30CB4 16060 bytes

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