Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc2ba0aea49e27f7…

MALICIOUS

PDF

72.7 KB Created: 2021-03-07 00:41:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 51145edfe063c49ce8bbfde06f3d2bfe SHA-1: 9fe1039a74ea55d53dae4a8499374159e9952e69 SHA-256: cc2ba0aea49e27f79d06a6d09c82e824339e596218c530a7944534cb1faf0177
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://xezojetit.ru/wix?keyword=ancient+civilizations+worksheets+3rd+grade PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4474722/normal_60310f62eeab9.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4377414/normal_5ff679fa8afeb.pdfIn PDF document text
    • https://cdn.sqhk.co/tipefimex/bhdgeSG/galaxy_watch_3_vs_galaxy_watch_2.pdfIn PDF document text
    • http://gojavodevagajuw.mygamesonline.org/11718501761.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414867/normal_602953f412279.pdfIn PDF document text
    • https://cdn.sqhk.co/bojodunaluko/clCgh0n/strategic_management_human_resources.pdfIn PDF document text
    • http://rijepesejib.22web.org/ccna_200-_125_book.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4475715/normal_602143db9b53d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413573/normal_5fe2501b0a1a0.pdfIn PDF document text
    • https://cdn.sqhk.co/bopelara/eqwhejf/blood_glory_legend_2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4444370/normal_6011d2a5586b0.pdfIn PDF document text
    • http://jikusofare.mywebcommunity.org/what_are_the_guidelines_for_churches_reopening.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420905/normal_5fe9012e286c1.pdfIn PDF document text
    • https://cdn.sqhk.co/kusonemap/bCjjXEP/15401609514.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4376362/normal_600d36d071b08.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/5d7a9365-152b-4288-9fa6-2cfe989cce94/86032423267.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5c6063fc-7819-4056-876d-3e31457cad46/plantronics_backbeat_fit_3100_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0a09d109-8c3b-4259-9517-fcfe82a72959/does_the_2004_lexus_is300_have_a_2jz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f3a9a8f5-0de8-47f9-880d-4da029d80a9f/77252731333.pdfIn PDF document text
    • http://fovuwikotunepam.rf.gd/reportage_photo_core_du_nord.pdfIn PDF document text
    • http://xadamodovupeniz.rf.gd/ruvigubewozemanepulupud.pdfIn PDF document text
    • http://rigawumitod.rf.gd/86070383429.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_off0000df77.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF77 5620 bytes
SHA-256: 6dfca7c6d809b50cbdd2b1a04ab976fe14a46bf5162bafb14011dfeed23fbfd7
font_01_sfnt_off0000f2ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2AB 10080 bytes
SHA-256: cdc0ff96642d7b39b6fce7622a417851da84966e4fc826f6dd389da10c43d3b8

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