Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2eaa77ef2a071d7…

MALICIOUS

PDF

68.2 KB Created: 2021-02-26 15:16:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: f9d860feecd74aecb2493ebf5b6430a6 SHA-1: 02cb2f387c831c0944bf5b5d94246c6f51a9c24b SHA-256: c2eaa77ef2a071d7db38aa05d749026426244364a06004a4f2577779787d4da3
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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.
  • 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://soxebez.ru/wix?keyword=download+hill+climb+racing+mod+apk+windows+10 PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4450632/normal_5ff162952f15b.pdfIn PDF document text
    • http://suxulopiluv.22web.org/bonasawedosa.pdfIn PDF document text
    • https://buseziji.weebly.com/uploads/1/3/1/3/131398529/redigofepawuzag-boguro.pdfIn PDF document text
    • http://idealslim-italiaofficial.site/sas_survival_handbook_new_editionwyvkw.pdfIn PDF document text
    • http://robugipunebib.mygamesonline.org/89626426749.pdfIn PDF document text
    • http://fejekadiwoxobiz.getenjoyment.net/performax_16-32_plus_manual.pdfIn PDF document text
    • https://jobajepefo.weebly.com/uploads/1/3/1/4/131482915/3f0114a65c66d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4447084/normal_5ff1c4a8bdbf4.pdfIn PDF document text
    • http://unityfree.xyz/kaxamilewafamewjytm.pdfIn PDF document text
    • https://xuzelete.weebly.com/uploads/1/3/2/6/132681171/pevilerokun.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4416932/normal_5ff7d31b0c845.pdfIn PDF document text
    • https://nulazonale.weebly.com/uploads/1/3/4/8/134892754/6680f33e6975.pdfIn PDF document text
    • http://tufofol.medianewsonline.com/raja_yoga_book_by_swami_vivekananda_free_download_in_hindi.pdfIn PDF document text
    • https://vufupobuzalezu.weebly.com/uploads/1/3/4/8/134853030/gewigexikazan-lokud.pdfIn PDF document text
    • https://totamozosapopa.weebly.com/uploads/1/3/4/7/134712517/4477602b2c3de7.pdfIn PDF document text
    • https://sutovuwoti.weebly.com/uploads/1/3/0/9/130968995/2240471.pdfIn PDF document text
    • http://arbitestpark.xyz/seven_habitsapt0c.pdfIn PDF document text
    • https://sufusaripowo.weebly.com/uploads/1/3/1/4/131437865/tarafoditogaru-nixivafatewubu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://mevexunimapo.epizy.com/tifisezexafuwujexipeneso.pdfIn PDF document text
    • http://dadogabipot.rf.gd/bending_moment_in_a_beam_lab_report.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_off0000cc81.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC81 5976 bytes
SHA-256: 2531ec0356fb3b23f5dad7dd1d56f98c0f90fafac7aeb644d8e1ffeea34729a0
font_01_sfnt_off0000e0c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0C6 10088 bytes
SHA-256: 2f7ab7a0b0bd098e7956c9fb9f9f1c481de2f7b73d2233bf14f56c9f2a3415de

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