Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e12b62942fd89a0…

MALICIOUS

PDF

271.9 KB Created: 2021-04-09 09:59:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 8e47ed03eb9b4a835b477c07aa7fc052 SHA-1: d99d68d4e282cbb3c864982bd6d81c54f02bb1f3 SHA-256: 9e12b62942fd89a0484df477a26e6ab4b167590aabe2474cb551b34f89cc12e2
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 0.9874

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://maypoin.ru/strik?utm_term=madonna+sex+book+french PDF link annotation
    • https://funotagikaxu.weebly.com/uploads/1/3/1/8/131857914/06519b9f5.pdfIn PDF document text
    • https://doxagazezuzizum.weebly.com/uploads/1/3/1/6/131606815/wexawekizo_takifukuv.pdfIn PDF document text
    • https://mifokidosunatav.weebly.com/uploads/1/3/0/9/130969664/59ad78c3.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/244b28b5-fb21-4dfe-ac65-d1777529d785/what_are_the_forms_in_poetry.pdfIn PDF document text
    • https://s3.amazonaws.com/zolerazowubow/21410394095.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fcec00c8-ddc5-4aac-b150-68633339c44e/6624885645.pdfIn PDF document text
    • https://s3.amazonaws.com/jodabiladezot/math_u_see_epsilon_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/neporezofov/what_is_n6_qualification.pdfIn PDF document text
    • https://eb72eaa1-ef55-40a3-a653-f6d21bccf295.filesusr.com/ugd/54913d_bd7b9b3130794c5e8e61ef4d298f6148.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/317ca338-0176-4949-86d6-d9d74f739cee/80235093642.pdfIn PDF document text
    • https://d56a38bf-d62e-453c-9b5b-5b2fe88aea46.filesusr.com/ugd/359e64_c81fc49ce3ad4b71b940e2aecb8172ae.pdf?index=trueIn PDF document text
    • https://329f26c8-0235-4118-8622-173d264d9cf1.filesusr.com/ugd/221f3a_bd4d693ae6514721bb560998c5fe420d.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/migivewuwe/bridgewater_pure_alpha_performance_2016.pdfIn PDF document text
    • https://s3.amazonaws.com/tisegovofu/keniwudixar.pdfIn PDF document text
    • https://5e20aa6b-77ef-4f11-9344-5454fb7c649c.filesusr.com/ugd/fb3aa9_7252b0fa50fd40919f430b74ef457680.pdf?index=trueIn PDF document text
    • https://673fcb93-492a-40d1-a7cc-77260b5c7816.filesusr.com/ugd/62d21a_117b60a1e6b84d4c9c8568c0b9a3efc3.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/ronatiduzoxij/best_website_templates_reddit.pdfIn PDF document text
    • https://e0271a52-a7af-48e9-8a99-924ce320ec62.filesusr.com/ugd/be5703_6a5d94b0a18d46eb99bf094abebf316f.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/kisagoz/linksys_ac1200_max_speed.pdfIn PDF document text
    • https://488c2ff9-9ff4-499e-8f11-525115e20b22.filesusr.com/ugd/8aba0c_22b171d133ec45c0bef71ddf0b58cb26.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/05e6f2aa-18e8-4e64-9a2d-4807550d1554/10163948638.pdfIn PDF document text
    • https://s3.amazonaws.com/xezujuxoz/granny_game_mod_apk_hack.pdfIn PDF document text
    • https://s3.amazonaws.com/xulepiwa/school_uniform_pants_old_navy.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_off0003db28.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3DB28 5196 bytes
SHA-256: 4059642c947cb05a6707742d2b0027bcdae04376742b339b3a4348bd232085e0
font_01_sfnt_off0003ed78.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3ED78 5356 bytes
SHA-256: 63f0a6dc23c3d0fb23c064cee72b20cd1bced4be6bfab6c93e50bc19dd70ad8a
font_02_sfnt_off0003ffb9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3FFB9 16624 bytes
SHA-256: d5164130e555cc5534898f9beac394b2d6f58a757869f9593c9a58838af620b0

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