Malicious PDF — malware analysis report

Static analysis result for SHA-256 3648addf0e6d707b…

MALICIOUS

PDF

67.7 KB Created: 2021-02-22 12:16:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 54ae465fc0af3e81240df942e0ae0c5b SHA-1: ed6aed6be05903e3ffe153d846d02ad876ccf331 SHA-256: 3648addf0e6d707b3f8a7e92f075310cc61811dff9cd8f6125eb99e5b153ea10
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://leonvi.ru/wix?keyword=alpha+omega+elite+convertible+car+seat+manual PDF link annotation
    • https://nulazonale.weebly.com/uploads/1/3/4/8/134892754/c473e1e1601cf52.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366350/normal_5ff307146f202.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4412767/normal_60048ed35fd79.pdfIn PDF document text
    • https://lewibodozibepa.weebly.com/uploads/1/3/3/9/133997785/gejekavabed.pdfIn PDF document text
    • https://cdn.sqhk.co/gutejalajige/gdjhhb2/9424620443.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450353/normal_601b76166a6df.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450046/normal_5ffd477a2437b.pdfIn PDF document text
    • http://letilemugemin.66ghz.com/84075290656.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382784/normal_6018be28a55b1.pdfIn PDF document text
    • https://sutoxozugunewu.weebly.com/uploads/1/3/4/7/134768558/7055942.pdfIn PDF document text
    • https://xobawaxotax.weebly.com/uploads/1/3/1/4/131453143/takovexavuniwikoko.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/wajibile/discount_factor_sheet.pdfIn PDF document text
    • http://madepuz.epizy.com/91225921904.pdfIn PDF document text
    • https://s3.amazonaws.com/wetowuzuxit/alcatel_go_flip_user_guide.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000be87.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBE87 5420 bytes
SHA-256: 883d0561f658a4797749bd58238abc71f4cbfb9464f6ffb30b931691f53aa23a
font_01_sfnt_off0000d0ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD0CE 10116 bytes
SHA-256: 009f87f9dbb3222f236037fa7c542b468adfd0e7c2bbac01fd6a33c78fafd296
font_02_sfnt_off0000f361.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF361 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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