Malicious PDF — malware analysis report

Static analysis result for SHA-256 20070ebeb39e1b66…

MALICIOUS

PDF

77.9 KB Created: 2021-03-08 11:52:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: bdadd87f0a6a277ec2ce774b91891a98 SHA-1: ac895a7944c3d5b31b90003ed42b6ba5324f73a5 SHA-256: 20070ebeb39e1b661107c132b0aa325d950132a8d686d19a371fa4fc90fbe415
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://dugedepap.ru/strik?utm_term=toro+ferdinando+cuento+pdf PDF link annotation
    • http://bafujowop.22web.org/hallucinations_dvsn_song.pdfIn PDF document text
    • https://cdn.sqhk.co/vagizabibo/ghrigie/51704417416.pdfIn PDF document text
    • http://biomanix.best/71733937529vbot5.pdfIn PDF document text
    • http://apsdd54gfv.xyz/rijejefometubanibobuwk4.pdfIn PDF document text
    • http://virnet77.ru/imperative_form_inglestn3kb.pdfIn PDF document text
    • https://ginugifugebiner.weebly.com/uploads/1/3/4/2/134234672/bagoza.pdfIn PDF document text
    • http://karaulovlife.site/cairngorm_piste_mapmd8in.pdfIn PDF document text
    • https://cdn.sqhk.co/rapowipijes/gf5GCib/6294151279.pdfIn PDF document text
    • http://lg-copyright.com/arabic_novels_with_english_translation9r345.pdfIn PDF document text
    • https://mefanajumajadip.weebly.com/uploads/1/3/1/6/131637152/3872309.pdfIn PDF document text
    • https://repotadidutu.weebly.com/uploads/1/3/4/3/134310826/6705594.pdfIn PDF document text
    • https://xabizukilitexe.weebly.com/uploads/1/3/4/3/134335342/sekar-sinujuv-daves.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://02408c19-b9f6-4996-a596-1d5b7e46c8d3.filesusr.com/ugd/c83fdb_ffe1cb3307834ce2b01c8e7ee58af260.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/2741f7bd-ac5a-4bac-9844-a0bb9255e607/kugab.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/71ab87bd-e67f-4b75-ae4c-71a48e40b56f/zololekixopobifoloje.pdfIn PDF document text
    • http://lewuxaxuzodu.rf.gd/el_conde_lucanor.pdfIn PDF document text
    • http://wetosunonatag.epizy.com/nizuvanewixelaxata.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fe9cc8f8-c19c-42f1-9399-2d40402ad476/journey_to_the_west_2_movie_in_hindi.pdfIn PDF document text
    • http://merapuw.epizy.com/chugach_powder_guides_owners.pdfIn PDF document text
    • https://ced6af22-cf5f-4df0-9cd6-2d424634d287.filesusr.com/ugd/3eed2b_5c732b06d5314df0ad884200b994f491.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/8df3ed1a-0270-4e8e-923e-4323355fe214/zonetagolekogakuku.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_off0000f293.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF293 4888 bytes
SHA-256: 6b0f6c34ebd5e53116dc827ae59980541aaac20daaf7d942c6fdf41c4a91e933
font_01_sfnt_off00010349.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10349 11432 bytes
SHA-256: 585802795c06142f7bcfc525016358854d4cd12fb1f77a95c952c92c989759c7

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