Malicious PDF — malware analysis report

Static analysis result for SHA-256 c124a43c5ed01e91…

MALICIOUS

PDF

70.8 KB Created: 2021-02-20 20:56:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: bafc332b08d480f69f990edd9d053781 SHA-1: 1f5986f95320a6fe0cc192305dff4dd8f89573f0 SHA-256: c124a43c5ed01e91bd505e5f3fcb8f9fd475a158936e78f5ce70c30ad9663ebe
126 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 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://seumenha.ru/wix?keyword=sharper+image+juicer+hr-650-1+replacement+parts PDF link annotation
    • http://antinomi.design/symbol_barcode_scanner_usb_driverykr17.pdfIn PDF document text
    • https://cdn.sqhk.co/laruxibut/iazgipk/45072950070.pdfIn PDF document text
    • http://deflecfcvy.best/mapapibomuva1vwg.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393779/normal_5fd7906bc2dcd.pdfIn PDF document text
    • https://cdn.sqhk.co/rapowipijes/jkznygc/kosiroj.pdfIn PDF document text
    • https://cdn.sqhk.co/fosigigamef/Tpha1hd/osprey_complete_retro_plastic_mini_cruiser_skateboard.pdfIn PDF document text
    • http://nextauto02.ru/ios_11._4_beta_2_profileqs6wy.pdfIn PDF document text
    • http://noxesim.iblogger.org/balika_vadhu_movie.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4414335/normal_6004fa22d7d2b.pdfIn PDF document text
    • http://sis-paypal.com/5641715825700eld.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369520/normal_602aaef76d67a.pdfIn PDF document text
    • http://drive4mclanemilwaukee.com/dopimipifazoxipojunadonohcml9.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/xomepixo/misugabuwukarowi.pdfIn PDF document text
    • https://s3.amazonaws.com/jozaponi/bolbo_na_go_bangla_song.pdfIn PDF document text
    • https://s3.amazonaws.com/lorugipopuxe/lenovo_t420_ram_location.pdfIn PDF document text
    • http://mibofive.epizy.com/19378215948.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_off0000d495.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD495 6028 bytes
SHA-256: b9b3f307c520aafcb56b6f2d9a33c6349a270243c59557509dec4b34ea0d3d96
font_01_sfnt_off0000e905.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE905 10840 bytes
SHA-256: d883bb7641a09e2b291c668829692c84f9c947d1d130eeaaee7a952fff424005