Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d5b953f81550df7…

MALICIOUS

PDF

65.8 KB Created: 2021-03-08 12:51:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 2aea8e32ab6aa45f960f0c78d491994b SHA-1: e087f2f74a19934d6e808db6129e0ba69a32fbf1 SHA-256: 1d5b953f81550df7a40d11a1095ebc8fb241c7750aa6f4b749ab1b8ffdd315a3
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://lozipotod.ru/award?keyword=bengali+e+calendar+1426+pdf+download PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4410679/normal_5ffc1936e8ec4.pdfIn PDF document text
    • https://cdn.sqhk.co/zatuwifezub/5SjbxFR/auto_clicker_app_for_iphone_x.pdfIn PDF document text
    • http://mitsumoro.ru/web_service_providers_in_delhihuqp0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368742/normal_602942fa59e09.pdfIn PDF document text
    • http://lamorebeduzakoj.22web.org/jimerutonunuvozaruri.pdfIn PDF document text
    • http://tryadasert.online/149780454898tlv.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421943/normal_6045f1e1284a9.pdfIn PDF document text
    • http://kesisofawa.mygamesonline.org/wibizijumodixorus.pdfIn PDF document text
    • https://cdn.sqhk.co/liredubi/ZjfribW/multiple_epic_accounts_on_switch.pdfIn PDF document text
    • https://cdn.sqhk.co/tezofugowura/whNgdeQ/wirinebusinisow.pdfIn PDF document text
    • http://simekavo.22web.org/pafogawi.pdfIn PDF document text
    • https://cdn.sqhk.co/didowolikex/0IVif4e/texas_highway_no_speed_limit.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://e028ba52-6c86-493e-86b7-fecf7cd1c3eb.filesusr.com/ugd/bcb9fd_a997d45914b24ede8ba331aa2517723e.pdf?index=trueIn PDF document text
    • https://6843e3eb-5573-46e1-90a0-370cfc2b4a0d.filesusr.com/ugd/89b1bc_ace5184d0562400d894b1972ef62cb79.pdf?index=trueIn PDF document text
    • http://nixevafuzija.epizy.com/descargar_android_studio_requisitos.pdfIn PDF document text
    • https://8d5bcf17-53f2-4f21-b585-7a27aef14131.filesusr.com/ugd/7baf93_26244156567b458c8e877353d99b8758.pdf?index=trueIn PDF document text
    • https://45180a89-8b92-4d54-a4c6-cdf0ad6af3c7.filesusr.com/ugd/2b98a3_52d7fd20d75b4a788a176742d57f6141.pdf?index=trueIn PDF document text
    • http://sarutufasiko.atwebpages.com/genejovisufunupifapidexi.pdfIn PDF document text
    • http://vewamade.rf.gd/dometic_15000_btu_duo_therm_brisk_2_air.pdfIn PDF document text
    • https://bd15da75-ee01-4ad3-8b22-4778d9929f37.filesusr.com/ugd/1abc29_af753b1724a844b19a5e251750d06f4f.pdf?index=trueIn 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_off0000c4e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC4E7 5712 bytes
SHA-256: 5bbe8dfbb500b03c3ca83846c3aae3065529e167778ec3e2d349290b361a8e78
font_01_sfnt_off0000d888.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD888 9748 bytes
SHA-256: 79dda9a7ca76dbe4078823f9be512873d1d4bb2c1cbb7be03b9fe140f9b018b0

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