Malicious PDF — malware analysis report

Static analysis result for SHA-256 c95e3b203c15cae1…

MALICIOUS

PDF

71.9 KB Created: 2021-03-02 11:29:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: b092f734b311f55f634b9a8a6c1644d8 SHA-1: bfbcadbd99a7d7399461a0cd1173e93214840d3e SHA-256: c95e3b203c15cae123d4b25fdb40f33ffe05600b7d3bc1ec38739da9780430aa
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 0.9998

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://soxebez.ru/123?utm_term=where+to+get+rosetta+stone+for+free PDF link annotation
    • https://cdn.sqhk.co/jotepomi/dbibjgD/vesugirokobafotiridimulo.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4473645/normal_5ff1106f2f185.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4494868/normal_5ff1298b9c95d.pdfIn PDF document text
    • http://itanah.space/xipilazojasixukemakiph8r6w.pdfIn PDF document text
    • https://sopuduzebuvagaf.weebly.com/uploads/1/3/0/7/130775825/f9412c478ecd8.pdfIn PDF document text
    • http://gagimubu.mywebcommunity.org/tikefom.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4371787/normal_60012413d8fc4.pdfIn PDF document text
    • http://richteam.site/32602275459gen1m.pdfIn PDF document text
    • https://cdn.sqhk.co/pijujuweg/hjCjc9n/cartoon_tv_series_free_download_for_mobile.pdfIn PDF document text
    • http://komarovskii.xyz/71997561949q3ptn.pdfIn PDF document text
    • https://wiruwopifezub.weebly.com/uploads/1/3/4/3/134345133/1625129.pdfIn PDF document text
    • https://cdn.sqhk.co/nezazexador/cgiihad/soop._io_parent_and_student_application.pdfIn PDF document text
    • http://love-cosmetics.shop/masojidakapagizeliwarovlm8yn.pdfIn PDF document text
    • http://checkyourcredit.info/dragonfable_stats_guide_for_warriory09ct.pdfIn PDF document text
    • https://bezofaxifi.weebly.com/uploads/1/3/1/6/131606652/5575025.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4473645/normal_5ff93e09d2d4e.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://tuzuxutetug.atwebpages.com/maviwe.pdfIn PDF document text
    • http://pekafujojef.onlinewebshop.net/kefipug.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_off0000ddce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDCE 5012 bytes
SHA-256: 8ce26e5812c513f31689ace0f36db25936928c0adcd6417208dbc0ab7954810b
font_01_sfnt_off0000eeec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEEC 10472 bytes
SHA-256: 6c3e70f5a94759145bfe78aae110f09056a45c7e4b216dd9abd6a17c7dc34c0e

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