Malicious PDF — malware analysis report

Static analysis result for SHA-256 be7449572481c325…

MALICIOUS

PDF

75.6 KB Created: 2021-02-15 18:18:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: b227488963826816847899a476c8b762 SHA-1: b37b95a3754f495eb8f3bee420c2a64ed03b12de SHA-256: be7449572481c325a8e3ad7747c4e8cc0aad6b6bc6bf393239d0f5dfbd849dae
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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/wb?keyword=men PDF link annotation
    • https://ludutaxe.weebly.com/uploads/1/3/0/8/130814402/3881904.pdfIn PDF document text
    • https://kajuzenutojaso.weebly.com/uploads/1/3/4/6/134631714/5f3efb7.pdfIn PDF document text
    • https://gibitiwatu.weebly.com/uploads/1/3/0/7/130776060/2169573.pdfIn PDF document text
    • https://cdn.sqhk.co/lululitoj/eNjnGk8/89272604233.pdfIn PDF document text
    • https://lifalaril.weebly.com/uploads/1/3/4/8/134883644/8881341.pdfIn PDF document text
    • https://rujuzodojavumip.weebly.com/uploads/1/3/4/7/134726220/muver.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4490929/normal_5fefc8c760e46.pdfIn PDF document text
    • https://molisepav.weebly.com/uploads/1/3/5/3/135347716/fa805a369.pdfIn PDF document text
    • https://cdn.sqhk.co/safubuguva/jLgifNc/4816201744.pdfIn PDF document text
    • https://cdn.sqhk.co/pabopimi/FwbhahP/81721226049.pdfIn PDF document text
    • https://kidamevu.weebly.com/uploads/1/3/1/4/131437276/modutonopiwol-muliw-pabav.pdfIn PDF document text
    • https://rebazizezasij.weebly.com/uploads/1/3/4/5/134586802/6530319.pdfIn PDF document text
    • https://baseparefawufif.weebly.com/uploads/1/3/1/4/131453046/964cfe9e1944.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4462374/normal_600c98cb74300.pdfIn PDF document text
    • https://cdn.sqhk.co/wisulekekij/jaXjslS/ruxakisevibovegoxejev.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459062/normal_5fc91a054c669.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://vugapadilubokis.epizy.com/jotigumadirave.pdfIn PDF document text
    • https://s3.amazonaws.com/wemazun/bazigar_urdu_novel_free.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_off0000ead2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEAD2 5132 bytes
SHA-256: f08ecdf7920c57d0fa93756f1f25cc199c57456505fc9d65165e94849c77a4c1
font_01_sfnt_off0000fc58.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC58 10904 bytes
SHA-256: 382c3d267a73ba76581bfd52d961e8da81d38059622f9152892b2afbd97e030e

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