Malicious PDF — malware analysis report

Static analysis result for SHA-256 7eda36fc98c72158…

MALICIOUS

PDF

117.6 KB Created: 2021-03-11 16:08:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 8245c7abd3402893eb69cfe1d8ebf391 SHA-1: 1598e637b823d0229eeeed1864cee74cbc272364 SHA-256: 7eda36fc98c72158b0eb4a1a088a965d383014fa20c33058f2d9013d66be4cc0
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 0.9981

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://crophysi.ru/award?keyword=bhaktamar+stotra+marathi+pdf PDF link annotation
    • https://cdn.sqhk.co/temejikowewa/gZgc01g/23517004801.pdfIn PDF document text
    • http://dibowofu.22web.org/how_do_i_change_the_batteries_in_my_comcast_remote.pdfIn PDF document text
    • https://cdn.sqhk.co/reriwoduriju/WjaQli1/36859968515.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4501367/normal_604895be009de.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4407306/normal_601062543d9a6.pdfIn PDF document text
    • https://cdn.sqhk.co/kurotevu/jfmOyha/prudential_cycle_ride_2019_road_closures.pdfIn PDF document text
    • https://cdn.sqhk.co/tanusulirava/Jiigiia/75623563589.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4478127/normal_5ff7f2b0ef2fe.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4449769/normal_5fc71cdca901f.pdfIn PDF document text
    • https://cdn.sqhk.co/satasevubu/gvoidd7/webevaxozebowelovojifil.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4495999/normal_6040a14e7b937.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4456122/normal_603e698835407.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4423431/normal_5fcd35fbaa097.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://s3.amazonaws.com/bubisifapagefe/kininum.pdfIn PDF document text
    • https://s3.amazonaws.com/zagapaxa/how_much_does_a_junior_graphic_designer_earn.pdfIn PDF document text
    • https://s3.amazonaws.com/dazovosugev/178009403.pdfIn PDF document text
    • https://s3.amazonaws.com/tuxexi/46080178275.pdfIn PDF document text
    • http://zemofebu.epizy.com/la_casa_de_papel_opening_song.pdfIn PDF document text
    • https://s3.amazonaws.com/xapijifas/vonigasuku.pdfIn PDF document text
    • https://s3.amazonaws.com/bejokazemur/gimelin.pdfIn PDF document text
    • http://besaware.epizy.com/tuxonakonuvukeput.pdfIn PDF document text
    • https://s3.amazonaws.com/jodabiladezot/nafizakojuroro.pdfIn PDF document text
    • http://xumerapugegivo.epizy.com/financial_numerical_recipes_in_python.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
    • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00015cbf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15CBF 5360 bytes
SHA-256: ad606424822a29be5e447a48b3322751a6b1b5b20f5d6a7d4856034a9a499bee
font_01_sfnt_off00016ed0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16ED0 3720 bytes
SHA-256: b91f3c26f37c28538ed09035cbea6f9221827f1e30b50c452f08cc820bcc167b
font_02_sfnt_off00017a33.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17A33 16288 bytes
SHA-256: add9b5029533c972c09d19d608a674ae7ab5150844c1905c35fb8a656b02603f
font_03_sfnt_off0001abea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1ABEA 8380 bytes
SHA-256: 2fc8633e3fd24277f59a4f1f75bce2aa0e55029d686196896bd68adbe49cb981

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