Malicious PDF — malware analysis report

Static analysis result for SHA-256 96a35add6c70c095…

MALICIOUS

PDF

72.5 KB Created: 2021-03-06 06:32:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 6ab09ca62f3b1f8548c092f027d4b602 SHA-1: c835f8413e52df5b32c571dd35b37f8fa0926556 SHA-256: 96a35add6c70c0955143d14d749134f7f21e559cab77f2879d529c41d121e23b
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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=samsung+sm-t350+charging+port PDF link annotation
    • http://naturalik.fun/dell_optiplex_790_graphics_drivers_download_windows_10gwptv.pdfIn PDF document text
    • https://revijokatise.weebly.com/uploads/1/3/3/9/133999222/lakonigol_wipurox.pdfIn PDF document text
    • https://bexukisutiso.weebly.com/uploads/1/3/0/8/130873741/tanute.pdfIn PDF document text
    • http://hotloveme.online/wisoxikayp43.pdfIn PDF document text
    • http://prodson.space/20157220695rq7dy.pdfIn PDF document text
    • http://repair-foto.ru/vuzipinudejotopajilbrkyb.pdfIn PDF document text
    • https://sigesibum.weebly.com/uploads/1/3/1/4/131438142/1484708.pdfIn PDF document text
    • https://motaxajofepox.weebly.com/uploads/1/3/1/3/131381237/1297bb1ea62.pdfIn PDF document text
    • http://calipshatngaccs1.xyz/best_bible_quiz_app_for_androidj1d7u.pdfIn PDF document text
    • https://baginemesurewis.weebly.com/uploads/1/3/1/3/131380932/34a421a82.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://e0bfa911-60eb-4c53-bd8d-ceec25156dfb.filesusr.com/ugd/0a052f_1afac648f4aa4deb837d15aec7ff6c95.pdf?index=trueIn PDF document text
    • https://f8d82b49-d438-4da2-b906-f876cb6fe635.filesusr.com/ugd/12dc78_4a185a981be74af98b6fec333f8dca50.pdf?index=trueIn PDF document text
    • https://3175e58c-9db9-4d87-bcb9-15e03531d93d.filesusr.com/ugd/c93210_88ded0aaaed54c35b20506edfe852a38.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/3addb9a4-5d75-4dfa-a7d4-d2c728ecd773/nesitad.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5df99ef1-16fe-44af-b662-400dd8b2e37f/jonexujafovozoxomani.pdfIn PDF document text
    • https://s3.amazonaws.com/zarusegibitumet/jepojezejutero.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/468ac3f1-0114-4c75-8edf-b98bc80bdb92/komfort_travel_trailer_owners_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/poresi/lic_jeevan_shanti_form.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7954bd65-9543-469f-a2f3-cf4e8afa9b14/how_to_fix_badger_5_insinkerator.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7e923956-363e-4111-ba3a-5ac0997e289f/perl_maven_tutorial.pdfIn PDF document text
    • https://734e8db3-b9db-457c-abaa-08c06218e7ae.filesusr.com/ugd/f6bb82_17196a5f92384141bde32f6f857270be.pdf?index=trueIn PDF document text
    • https://5984e891-aecd-43e6-866f-efdb297c9c35.filesusr.com/ugd/403565_1f330d55651542668a5cbceb43c8061f.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_off0000dba4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDBA4 5880 bytes
SHA-256: 893eea3616a995284eee1c63e1162431b080a7c5c45ef9c958ea831a65219cd3
font_01_sfnt_off0000ef86.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF86 10444 bytes
SHA-256: 602e09d03be54ba73e13d0fe52067cfabd34eed7391b1db9838ff47c8a8b5cb0

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