Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec822f00b75438a3…

MALICIOUS

PDF

79.6 KB Created: 2021-02-24 06:32:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: f7775529c0b467d9740eb7e2e6c89ddd SHA-1: 9886b8c8dea88eb2a94dfab86bd9fb369ad19569 SHA-256: ec822f00b75438a300467c2d0f87c6881e291f1be6f7aa9905e872f836a18edf
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-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://leonvi.ru/wix?keyword=uses+of+alcohol+ink PDF link annotation
    • http://wonder-ita.space/making_traditional_wooden_planes_downloadpjs8b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374188/normal_600f4d6d1f3be.pdfIn PDF document text
    • http://paypallsecurity.com/simple_distillation_lab_reportkarfs.pdfIn PDF document text
    • http://forecast.bet/74099988617wm9y4.pdfIn PDF document text
    • http://rutefozur.22web.org/71718276216.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365542/normal_6012a8a34da56.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4484355/normal_5fc8a1a204f41.pdfIn PDF document text
    • http://vejawezodasupax.22web.org/bikhari_julfo_ko_sajane_ki_song.pdfIn PDF document text
    • http://vuxijagodoku.22web.org/ford_mustang_mach_e_1400_for_sale.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
    • http://kavunuses.epizy.com/runosodavabadaxabowukaj.pdfIn PDF document text
    • https://s3.amazonaws.com/bofake/psychological_testing_and_assessment_book.pdfIn PDF document text
    • http://bukinajomo.epizy.com/jedijudidereluwitovisarod.pdfIn PDF document text
    • http://mudotepejix.epizy.com/84442238988.pdfIn PDF document text
    • http://dusegakalo.epizy.com/47748375344.pdfIn PDF document text
    • https://s3.amazonaws.com/tojazudibumogab/fixazowonasewep.pdfIn PDF document text
    • https://s3.amazonaws.com/pazovugal/2290132842.pdfIn PDF document text
    • https://s3.amazonaws.com/jejulurowev/fijugubij.pdfIn PDF document text
    • https://s3.amazonaws.com/verirejon/positive_behavior_support_strategies_for_parents.pdfIn PDF document text
    • https://s3.amazonaws.com/tumasun/28664747538.pdfIn PDF document text
    • http://vizeroxati.rf.gd/google_sheets_insert_multiple_rows.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f02e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF02E 4636 bytes
SHA-256: 30c709f641249a314bf760405c44d1e537a65fe77c8980e4cb5a477ad25e6dbc
font_01_sfnt_off0000ffdd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFFDD 10148 bytes
SHA-256: 4fe571b995b6e74eef3fd778374b9b18416d94e95d29030e1bf6ba24da61d869
font_02_sfnt_off000122a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x122A8 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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