Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f12f0b0b47a91bc…

MALICIOUS

PDF

76.2 KB Created: 2021-04-06 07:48:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: eea6ad297fc77d5f29e3a5dca0689874 SHA-1: d6ada24eec582fb188ef8469123d90743bcb956e SHA-256: 7f12f0b0b47a91bc711e3bef8ad445b42ff9f9130ca46880a7c1f16cdd6d150b
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 0.9997

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://vilenefex.ru/strik?utm_term=are+infj+rare PDF link annotation
    • http://mattelipsticks.site/9031705090778xe5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450512/normal_6008eda375286.pdfIn PDF document text
    • http://meetcabinets.xyz/my_school_life_short_speechwrddm.pdfIn PDF document text
    • http://websporizlehd.com/12341632958txmtu.pdfIn PDF document text
    • http://bettyloustintruckbbq.com/daxibiwozozenoh48ia.pdfIn PDF document text
    • http://wanididezaj.getenjoyment.net/79613511183.pdfIn PDF document text
    • https://cdn.sqhk.co/tumokufagu/GOhe7Wv/jutazukifagogat.pdfIn PDF document text
    • https://cdn.sqhk.co/zodunoxurob/jcjaidd/cops_and_robbers_fruit_machine_free_download.pdfIn PDF document text
    • http://vazawujuzu.sportsontheweb.net/honda_eu2000i_carburetor_bowl_gasket.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446147/normal_60246cf0dc103.pdfIn PDF document text
    • https://cdn.sqhk.co/belerudoxej/5FWk63c/allegiant_air_number_busy.pdfIn PDF document text
    • https://cdn.sqhk.co/dosakupu/hdDoihj/pipizanaberimukasusatos.pdfIn PDF document text
    • https://cdn.sqhk.co/xomifinetepi/hiiaQ9I/name_creator_for_free_fire_download.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/jadere/get_anyone_to_do_anything_free.pdfIn PDF document text
    • https://s3.amazonaws.com/vuforewebub/xonejoniwopo.pdfIn PDF document text
    • https://s3.amazonaws.com/rewepalazamiso/zuzosifopi.pdfIn PDF document text
    • https://s3.amazonaws.com/zunaporam/83121915781.pdfIn PDF document text
    • https://s3.amazonaws.com/muxegeza/least_cost_theory_definition.pdfIn PDF document text
    • https://s3.amazonaws.com/nevowimo/vetuxuja.pdfIn PDF document text
    • https://s3.amazonaws.com/wuzalugiseto/soforegaxusepigaxuwawavav.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_off0000efe1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEFE1 4616 bytes
SHA-256: 1ca341b1fcf6f8ef08fcf7f3c99e05642ff0214f24631b4a12278f05ee3af66a
font_01_sfnt_off0000ffaa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFFAA 10696 bytes
SHA-256: 2977b772b58e01c62fd5a08d90d206588fc0c4da5d3d84df08dda123d8fd74a0

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