Malicious PDF — malware analysis report

Static analysis result for SHA-256 07393f1ca4fc8f55…

MALICIOUS

PDF

85.2 KB Created: 2021-03-31 22:22:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 37e2873670a73440a33cf76dd7f32b14 SHA-1: 5f9cf81de8cd04961dd3ab580693b45eb0a9ba06 SHA-256: 07393f1ca4fc8f55142975e77a06a8a099138707374cb9865c1403b7c95ddaaa
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 0.9995

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://druttle.ru/wix?keyword=dian+cecht+danmachi PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4381735/normal_60029b06ddc6b.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4402533/normal_5ff121dfbc5d8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4404723/normal_605526783d53a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4496602/normal_6029d30022076.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4453333/normal_5fe3c53db57f5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4443810/normal_603994b9e31a6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4426697/normal_602eb9f383f36.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/b7d8d0cf-63e5-452c-94c0-a5d8e0dcba04/cinderella_story_book.pdfIn PDF document text
    • https://s3.amazonaws.com/tazibabebamep/tufaxod.pdfIn PDF document text
    • http://xufeguwopox.rf.gd/adsorcion_fisica_y_quimica.pdfIn PDF document text
    • https://s3.amazonaws.com/bibejovixapis/alquiler_coche_formentera_doyouspain.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9656044f-da20-4956-9fbf-640fe6935291/14830665045.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2652ff65-7571-4066-bf5e-0ef84e8212b3/61378843261.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1d9e612e-ddab-447c-89bd-9cf71f1560c0/28566076144.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e9384f46-1bdb-4827-be27-454e42f177c4/how_to_set_up_campark_t40_trail_camera.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/21e856f3-10b7-4268-9f2c-fe33c2dd7805/how_long_can_someone_be_on_paid_administrative_leave.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/46e6cec4-ec29-484b-8e70-29336139b266/nonunoxisigekedomeva.pdfIn PDF document text
    • https://s3.amazonaws.com/wizakokowe/51761681852.pdfIn PDF document text
    • http://wawukekaxemiju.epizy.com/dofefidokuna.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b2e404ec-eb94-4f7d-a6b2-582e4ef7879d/latest_news_india_pakistan_live_hindi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a3a33054-c32b-47ba-83aa-fe0c0d03d102/disable_adobe_flash_chrome_2020.pdfIn PDF document text
    • https://s3.amazonaws.com/wixanarer/xemarejab.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_off0000f6f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF6F3 6752 bytes
SHA-256: 644eee00f9ae7d8cf5e48c93bd70b6601819c103d4730f69f46d6985792a0666
font_01_sfnt_off00010daa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10DAA 4872 bytes
SHA-256: aab9cbf06e93672686c350016c0c1a799307e9573948ae2ee01f82a31141c38d
font_02_sfnt_off00011e18.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11E18 12840 bytes
SHA-256: eb36e871227439ad0f8445de48b9462751c8f518d13c3ad5b02497cb422bd9b6

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