Malicious PDF — malware analysis report

Static analysis result for SHA-256 d90077e304747ba9…

MALICIOUS

PDF

70.9 KB Created: 2021-03-11 02:53:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 42a7a2d94f07edb2983de6cf75ec4205 SHA-1: 0afaa651d8a41562103be6437a406a41696d1e7e SHA-256: d90077e304747ba9d19665898d6868e2b2ac876df21a38b78d4079dec5723cac
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://resalured.ru/wix?keyword=banshee+service+manual PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4408996/normal_5fe31c602c06c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379222/normal_603795fcef3e6.pdfIn PDF document text
    • http://bupomorefa.22web.org/29395598957.pdfIn PDF document text
    • http://jokixulu.iblogger.org/business_brochure_templates_word_free.pdfIn PDF document text
    • https://cdn.sqhk.co/pijovowifil/higcjjx/gawufivarerixuteboti.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373992/normal_603262a2c902b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417534/normal_603d6de628eb3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4485149/normal_6011978c3e087.pdfIn PDF document text
    • http://gafegenuwegapok.iblogger.org/beres_hammond_i_feel_good_free.pdfIn PDF document text
    • https://cdn.sqhk.co/wufevinek/jd9hfih/neighborhood_jam_tulsa.pdfIn PDF document text
    • https://cdn.sqhk.co/wujakegu/jhhjejg/nital.pdfIn PDF document text
    • http://giwewewobarijis.22web.org/kajebed.pdfIn PDF document text
    • https://cdn.sqhk.co/zujumatatub/vIhdjgI/creepypastas_skins_minecraft.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://4c982f7a-b72b-446d-8c7a-5e2d6818c0db.filesusr.com/ugd/519a61_4c1a95ea1cbf401b91c0b2af41e53d3b.pdf?index=trueIn PDF document text
    • https://9f349447-249b-4747-956a-316fe86e371b.filesusr.com/ugd/d2b720_d3af33c3d7474718aa71e7c03ec1a806.pdf?index=trueIn PDF document text
    • http://pexomesukifek.epizy.com/35581284550.pdfIn PDF document text
    • https://s3.amazonaws.com/bejenosugede/mudumibesorudejifuk.pdfIn PDF document text
    • https://s3.amazonaws.com/fosalizuzu/dagowaginuz.pdfIn PDF document text
    • https://9fc80a0e-b25b-4135-afeb-9811a1ea6bf8.filesusr.com/ugd/91e123_5182ed17b6fd42bda78b150a6dbfda17.pdf?index=trueIn PDF document text
    • https://4c2674ec-1430-4cec-a455-d6a35d10586e.filesusr.com/ugd/38955b_6d56b008183746288670ab06acc2234d.pdf?index=trueIn PDF document text
    • https://ab737b70-891a-4a1f-8db9-ee548211cb31.filesusr.com/ugd/ce14f3_a62c4610e43e4857967e57cdd04857ae.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/kevava/patch_compliance_report.pdfIn PDF document text
    • https://626fb5af-1d67-41cb-86ce-204163677ff0.filesusr.com/ugd/9d869b_3822bc1601e44b01a51e6fb8f574852f.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_off0000d9c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD9C0 5148 bytes
SHA-256: c233ea7d68af33be16ed2517cc46ce4e891a0565b80e8f026b034beedd97ee93
font_01_sfnt_off0000eb1e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB1E 10284 bytes
SHA-256: 6fc3b4f3558220f61849a47b4a06d49bd3268a6093c7d13153010c6fa0d4a7d6

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