Malicious PDF — malware analysis report

Static analysis result for SHA-256 9065428d8223796a…

MALICIOUS

PDF

71.6 KB Created: 2021-03-07 15:48:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: d0d740b5ffd18c37326d158bebef222e SHA-1: d9a44d00d4f1373fc9c97ca2dfa454cc3fb92173 SHA-256: 9065428d8223796af27b10aa251c847b678474d30d1f6d46005eb73be8af3c19
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://jottigo.ru/award?keyword=how+do+you+reset+a+schlage+keypad+lock PDF link annotation
    • https://xaviloxoganobe.weebly.com/uploads/1/3/1/3/131383750/4568218.pdfIn PDF document text
    • http://rogepexegugujer.22web.org/composition_writing_worksheets_for_grade_1.pdfIn PDF document text
    • https://bajigexok.weebly.com/uploads/1/3/4/1/134131467/6f3194c02c5f.pdfIn PDF document text
    • http://kelimap.mywebcommunity.org/nationalism_in_india_by_tagore_summary.pdfIn PDF document text
    • http://ziwigosopijulal.mygamesonline.org/picture_of_matrix_organizational_chart.pdfIn PDF document text
    • http://xerudipebij.22web.org/24122439910.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4409814/normal_5fc7009c11206.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4372076/normal_5fc96c3b77d33.pdfIn PDF document text
    • http://piwofoterif.sportsontheweb.net/59641760315.pdfIn PDF document text
    • https://paxolobiwoke.weebly.com/uploads/1/3/1/1/131163878/8b77c89df3f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417308/normal_5fd3d13c14e6c.pdfIn PDF document text
    • http://xoxuvajes.mywebcommunity.org/xeron.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://vilumepidiwego.myartsonline.com/matlab_plot_filled_circle_points.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2e2350ad-c75c-4201-98bf-59169d7ce529/the_expanse_season_5_episodes_dates.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/da73941f-093b-4aa3-93b4-78ad5211ec56/formulas_de_cuerpos_geometricos_area_perimetro_y_volumen.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/23abad45-f3bc-4b16-989c-90ec9c80321e/guess_the_movie_name_by_picture_with_answers_tamil.pdfIn PDF document text
    • http://nerezusilanake.atwebpages.com/gtx_970_driver_crash_windows_10.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/38d2f907-2840-43ee-9702-a1f3a8ec62a3/cognitive_behavioural_therapy_for_dummies_free.pdfIn PDF document text
    • http://kafogateginoni.epizy.com/pizodiwenanekubila.pdfIn PDF document text
    • http://nekexixi.epizy.com/merugewirigigebon.pdfIn PDF document text
    • http://sawesupunozigiv.atwebpages.com/nato_phonetic_alphabet_quiz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/52af7a20-9d07-474d-b998-08ef73cd086c/burger_king_nutrition_whopper_jr_with_cheese.pdfIn PDF document text
    • http://vudimeboxif.epizy.com/mukesomapojidejotasab.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_off0000dc67.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC67 5556 bytes
SHA-256: 94706dd5a480d1510052291cf3017bf91d258cc3c1bcbc8a36c860bc8976b93e
font_01_sfnt_off0000ef5c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF5C 9632 bytes
SHA-256: 1f11455ccf119e2a6bd1d8433fff35fcb749bda673a029a658dfb40dbb363cef

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