Malicious PDF — malware analysis report

Static analysis result for SHA-256 67e0028fda5a009a…

MALICIOUS

PDF

75.5 KB Created: 2021-03-26 07:28:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: fac2b9f9ec405d0a3a6f9581933e279c SHA-1: 94f5e001f36de17c91a45882b1207a16cea13b83 SHA-256: 67e0028fda5a009a8d5a5e04069fc2a029244e2422463ddcc82f7647424df89b
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 0.9996

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/award?keyword=ncert+books+pdf+class+11+chemistry PDF link annotation
    • http://munivujikax.22web.org/journal_placenta_previa.pdfIn PDF document text
    • http://rivilidopu.medianewsonline.com/tigudoxegaze.pdfIn PDF document text
    • http://jojazinex.mygamesonline.org/manual_plasenta_adalah.pdfIn PDF document text
    • http://sevagawos.getenjoyment.net/dutazozukapodonotalep.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/zaxawetawupo/litobegalijexetobuf.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dbfef0fa-64b9-4c5a-8465-ee51a1fdf87a/emotional_first_aid_trke.pdfIn PDF document text
    • https://s3.amazonaws.com/fosagoba/checkers_job_application_form.pdfIn PDF document text
    • http://tifilumiteva.epizy.com/catalogo_avon_campaa_18_2019.pdfIn PDF document text
    • http://jizonizop.rf.gd/48718093883.pdfIn PDF document text
    • https://s3.amazonaws.com/fumiposamisur/canary_islands_holiday_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fbac1295-adb3-4ea0-ba8e-e01ee2e53013/ncert_solutions_class_9th_physics_chapter_11.pdfIn PDF document text
    • https://s3.amazonaws.com/mefovu/5331616058.pdfIn PDF document text
    • https://s3.amazonaws.com/rilexazejuzovep/kodofokanirabi.pdfIn PDF document text
    • http://tomedokuboder.epizy.com/bepozebuxugunonirufid.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5dd859b0-eb11-4165-8b66-2f0225d0cdbe/sparkling_gems_from_the_greek_volume_1.pdfIn PDF document text
    • http://bumejefivoxigo.myartsonline.com/94209278076.pdfIn PDF document text
    • https://s3.amazonaws.com/welanisowari/how_to_change_camera_settings_on_iphone_11_pro_max.pdfIn PDF document text
    • https://s3.amazonaws.com/mejados/the_skin_im_in_pat_thomas.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5882695e-30ab-41be-90b9-2e3006e53cfd/74850942098.pdfIn PDF document text
    • https://s3.amazonaws.com/lizuseguwix/sunonekukitunadememe.pdfIn PDF document text
    • http://zajupulavofawi.myartsonline.com/94889702488.pdfIn PDF document text
    • http://gojikelo.epizy.com/lovugufujukevepezi.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_off0000e8fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE8FB 5724 bytes
SHA-256: 9bae98af44a974a348cff6ffcb0c0530da1246be367d4b795eef02a018cb9b7c
font_01_sfnt_off0000fc5f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC5F 10816 bytes
SHA-256: 4dbf93c62e22312e8a4427ed4511944c50df88cf2f6a0b33e2e7770053a00605

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