Malicious PDF — malware analysis report

Static analysis result for SHA-256 b7ebecd22b496775…

MALICIOUS

PDF

72.2 KB Created: 2021-02-17 14:08:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 4acba57bdd5ae910fe35ae6efc23c695 SHA-1: 861f47886e09b02435145c0e532a90f2834241fb SHA-256: b7ebecd22b4967750a8311930303ccfa7bbc5b632762b78e526cdb13a56c87f7
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://druttle.ru/wix?keyword=superstar+football+hacked PDF link annotation
    • https://bovusobovazova.weebly.com/uploads/1/3/4/5/134596491/687252.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4531523/normal_5fdc06c3b890d.pdfIn PDF document text
    • https://cdn.sqhk.co/wogefosa/ighRvha/18713429787.pdfIn PDF document text
    • https://cdn.sqhk.co/tijinujul/ejfgege/74292477129.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413109/normal_5fd3a3ffe90d3.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4453551/normal_5fe43cf9cc198.pdfIn PDF document text
    • http://generalmassage.online/dusavarazazokozekafe0djuw.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450257/normal_600235f2c2f84.pdfIn PDF document text
    • http://hookup754.fun/aca_neogeo_puzzle_bobble_ps4iavqk.pdfIn PDF document text
    • https://cdn.sqhk.co/benanejufa/hjihhTz/55655059592.pdfIn PDF document text
    • http://opssmall.space/281200726867thfb.pdfIn PDF document text
    • https://bivolureru.weebly.com/uploads/1/3/4/5/134583024/sipesonogudage.pdfIn PDF document text
    • https://levapexufusetij.weebly.com/uploads/1/3/4/9/134904519/9761942.pdfIn PDF document text
    • https://fikuzafunowu.weebly.com/uploads/1/3/1/8/131857523/557309.pdfIn PDF document text
    • http://nyvelsets.online/tipiwexevewmwq11.pdfIn PDF document text
    • https://puluzoxaxidu.weebly.com/uploads/1/3/2/6/132683087/7295893.pdfIn PDF document text
    • https://movediwifed.weebly.com/uploads/1/3/2/6/132695881/tikojariniwajefulepo.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/jepinebawo/64460552862.pdfIn PDF document text
    • https://s3.amazonaws.com/sepovutapakogaf/ipcc_report_1._5_degrees_summary.pdfIn PDF document text
    • https://s3.amazonaws.com/zosevid/81641059181.pdfIn PDF document text
    • https://s3.amazonaws.com/dotivaf/top_200_drugs_brand_generic_list_2020.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_off0000ddec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDEC 5548 bytes
SHA-256: dee3fe12cfa48d2e43e23bd070cadf1aafb7f4b1baa3c1117234a7c0751984d8
font_01_sfnt_off0000f0b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0B9 10184 bytes
SHA-256: d55c0a1ece973107536f6b522c0a9e6f114439abe94c2849838e08edc37b2975

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