Malicious PDF — malware analysis report

Static analysis result for SHA-256 02c3f08c2dcac10d…

MALICIOUS

PDF

78.1 KB Created: 2021-05-30 16:10:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 340925bca30fbea672e183cfeb0c632b SHA-1: cc20cabc2633e12474975603ee5907ea1d2dc5d5 SHA-256: 02c3f08c2dcac10d9baf17a69c96c84ef3a53e4b9fa0f69773058df19fc0c484
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The document contains an embedded URL that directs users to a site offering software downloads, suggesting a phishing or malware distribution attempt. No scripts were extracted, but the presence of a malicious URL and the overall classification strongly indicate a phishing attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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/strik?utm_term=aptoide+download+para+ipad PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4366036/normal_6064c95064a66.pdfIn PDF document text
    • https://static.s123-cdn-static-d.com/uploads/4490263/normal_60b0a25d6acf2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393751/normal_5fe6ee3b0e31d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4462980/normal_600e3a6cc3480.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4424007/normal_60065e18aa6f8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4475204/normal_5ffe8a6242840.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4485440/normal_601a7d5236967.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4476002/normal_5ff7e550dd09c.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/41d4b775-f952-4723-bd15-0cc86e13e01c/what_is_the_promo_code_for_dunkin_donuts.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f252a062-0958-4387-8560-8b50808c609e/dofakijiwogenomalul.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/21ba15ff-9f91-4c0b-ba35-d138ca21fc53/nomagodipivizutukojijuwa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0020c733-1052-4dd1-ae6d-c534f54b45b1/knowledge_base_management_system_meaning.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/af89cbb4-b52e-42be-ac8f-b0454062103c/the_vegetarian_summary.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/52516315-fc3a-410f-9c20-c7896d237500/mofapejafozinanejamawi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/76eb33f7-0089-40ad-915f-df041e7ea8b3/business_management_for_dummies.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b40a0a41-e337-4da3-a465-044e2529358b/what_is_the_best_prescribed_drug_for_anxiety.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4edaee95-3262-46fd-aafa-68fc3a112738/61037612611.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bb96d547-03da-4498-917b-d9c0ec1c1ad4/rusejepasu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b15e70cb-3c6a-456b-be19-ced356b4487b/31636546777.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9b25fea8-c8eb-430e-afe3-ce1a4332c1f1/dungeons_and_dragons_players_handbook_5th_edition_australia.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/09da295d-fb97-41ae-b391-bc4c6f09c031/cara_menggunakan_trainer_bully_scholarship_edition_pc.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3217e110-631c-478c-9047-4e9f3403b537/la_mascara_de_la_muerte_roja_que_tipo_de_cuento_es.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/89fd515a-e00b-4f75-adaf-188c10ba8176/tafseer_ibn_arabi_urdu_free_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4f64b6bd-e750-4f86-a8d9-5352b2c4508b/acurite_clock_instructions.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_off0000f483.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF483 4856 bytes
SHA-256: fec4adb92fd6f7f5396393e962bd4f3ce683ee761c70ff699c0f75643edf382b
font_01_sfnt_off0001052b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1052B 12344 bytes
SHA-256: ab4a45ab24af44fb67eca564860cf069670c5c633cd7346bb43dc5b3c896b1aa

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