Malicious PDF — malware analysis report

Static analysis result for SHA-256 07290b9287a45ab1…

MALICIOUS

PDF

78.9 KB Created: 2021-03-09 19:11:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3a61c99d9f03864c2704110d915691e1 SHA-1: 10b69a4eff853c5aaf1000b455f5d77ec3d862a7 SHA-256: 07290b9287a45ab1251ca47a79d81b0c567d7acb484318704deead1e341f7a73
136 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF that contains an embedded URL leading to a phishing lure. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to download a password-protected archive, a common tactic to bypass gateway security. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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://ponafet.ru/aws?utm_term=password+protect+hidden+photos+iphone+ios+14
    • http://vivudanu.scienceontheweb.net/39890293583.pdf
    • https://static.s123-cdn-static.com/uploads/4386852/normal_60015ceb76441.pdf
    • http://wodekenizowa.getenjoyment.net/ionic_compound_worksheet_doc.pdf
    • https://static.s123-cdn-static.com/uploads/4458856/normal_60073f8c0839f.pdf
    • https://cdn-cms.f-static.net/uploads/4450870/normal_60417ff065757.pdf
    • https://cdn.sqhk.co/savunowudob/iSibibX/word_switch_cross_and_connect_reviews.pdf
    • https://cdn-cms.f-static.net/uploads/4368971/normal_601e2f930011d.pdf
    • https://static.s123-cdn-static.com/uploads/4385887/normal_5ffaaf3b869bb.pdf
    • https://static.s123-cdn-static.com/uploads/4453885/normal_5ff86b0b9a955.pdf
    • http://pazifelurup.medianewsonline.com/gugularumozidonaxajofob.pdf
    • https://cdn-cms.f-static.net/uploads/4449775/normal_603cace3ba5c9.pdf
    • http://sitonuba.mypressonline.com/calculus_early_transcendentals_6th_edition_free.pdf
    • http://ladujose.sportsontheweb.net/kenmore_convection_oven_instruction_manual.pdf
    • https://static.s123-cdn-static.com/uploads/4485810/normal_5fe3089c36011.pdf
    • http://jepisafidezegun.scienceontheweb.net/dexexetemitemodadaw.pdf
    • https://cdn.sqhk.co/womelage/Uf7gdM1/39833862273.pdf
    • https://cdn.sqhk.co/nigulavax/4RKjfha/financial_times_subscription_cancel.pdf
    • https://cdn.sqhk.co/dutebevon/iiiFgf8/men_s_adidas_x_star_wars_ultraboost_19.pdf
    • https://static.s123-cdn-static.com/uploads/4489259/normal_5ffbbe39db78b.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://s3.amazonaws.com/kufazete/falidagile.pdf
    • http://liroporuki.myartsonline.com/is_it_hard_to_pledge_delta_sigma_theta.pdf
    • https://s3.amazonaws.com/kovilowab/9656375545.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e9f6.bin
aea038bd3829bc2d890ccaae5f35c6cbfe96a0aeb99670a68ec28a268637d1d4		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE9F6 5152 bytes
font_01_sfnt_off0000fb86.bin
8070ff25d703336fdf579f8d55ad08ca9975550bb7c030156a2a40465630737e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFB86 10496 bytes
font_02_sfnt_off00011f87.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11F87 4324 bytes

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