Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb88790f69db686d…

MALICIOUS

PDF

68.9 KB Created: 2021-02-28 10:17:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 4a30dcbedacc5917ba7ab447c8aaf8cf SHA-1: 88498a64b9dd5e639b9b1487e51988b84d975bcf SHA-256: bb88790f69db686da83a5b03ffb2c0c55363b274ce853f7cbf486f58facd249d
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://mezovuduw.ru/wix?keyword=shadez+salon+suites PDF link annotation
    • https://fezulenigi.weebly.com/uploads/1/3/4/4/134485980/fotegolej.pdfIn PDF document text
    • https://mogarujatokeduw.weebly.com/uploads/1/3/5/3/135324664/39edcf.pdfIn PDF document text
    • https://xotinibawilufo.weebly.com/uploads/1/3/1/4/131437660/jebulu.pdfIn PDF document text
    • https://zudasejavezumuj.weebly.com/uploads/1/3/4/0/134017640/xobatoku-wozekesuveboza-moxumopoxegug.pdfIn PDF document text
    • https://ziziwatir.weebly.com/uploads/1/3/4/7/134713039/8874720.pdfIn PDF document text
    • https://cdn.sqhk.co/pufowuvikij/Mjbpjgr/the_village_barbershop_movie_review.pdfIn PDF document text
    • https://ziwivebagojub.weebly.com/uploads/1/3/1/8/131871618/zazulet.pdfIn PDF document text
    • https://wonumajogo.weebly.com/uploads/1/3/1/3/131379434/fegiguruwafuwaba.pdfIn PDF document text
    • https://kiragidemi.weebly.com/uploads/1/3/0/7/130775435/pogiloman_kelil_vedomibi.pdfIn PDF document text
    • https://lafozevu.weebly.com/uploads/1/3/4/3/134378288/f51064733dc29d2.pdfIn PDF document text
    • https://cdn.sqhk.co/rivotoxupow/jahXjPw/contacts_widget_app_android.pdfIn PDF document text
    • https://nizevamil.weebly.com/uploads/1/3/2/8/132814567/lerilok.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/tiluwisulepam/aventuras_5th_edition_free.pdfIn PDF document text
    • http://gosaduzunake.myartsonline.com/13763687467.pdfIn PDF document text
    • https://s3.amazonaws.com/sabobenuwe/candidate_tracker_template.pdfIn PDF document text
    • http://mebubilatenizef.epizy.com/clarks_shoe_size_guide_width.pdfIn PDF document text
    • https://s3.amazonaws.com/zarusegibitumet/6061_aluminum_sheet_for_sale.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_off0000d253.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD253 4972 bytes
SHA-256: e6865767a322a6a332dbd91c50b8376d2f32946da2da8f9264e2e4c09eaa2289
font_01_sfnt_off0000e33b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE33B 10288 bytes
SHA-256: 804f0a69164639721c4f1ed755b90b579796cad17e6399607b037a8a9bbca58f

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