Malicious PDF — malware analysis report

Static analysis result for SHA-256 650736fc78f82b5a…

MALICIOUS

PDF

68.7 KB Created: 2021-03-01 02:12:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 0ef27b7e64426a5eaab527bf2fb96901 SHA-1: 622a74353419fcd750001dfe13f82e313fea0cd4 SHA-256: 650736fc78f82b5a0d795f785ac4f2c5482bba47f7f58a6ecc1f439aaafb5eb8
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://mezovuduw.ru/123?utm_term=chronological+bible+app+for+android PDF link annotation
    • http://yarrebitteh.online/xazotudajeggsc98.pdfIn PDF document text
    • https://cdn.sqhk.co/zawileveruz/7bZ70Ze/24769715542.pdfIn PDF document text
    • http://7lessons.fun/descargar_diccionario_frances_espaol_apk22yja.pdfIn PDF document text
    • https://nametipij.weebly.com/uploads/1/3/1/1/131164318/1676852.pdfIn PDF document text
    • http://gokutep.22web.org/65144167285.pdfIn PDF document text
    • https://cdn.sqhk.co/lazemowul/7ia9heE/77661776385.pdfIn PDF document text
    • http://ita-women.space/naic_buyer_s_guide_life_insurancentnvs.pdfIn PDF document text
    • http://quinzsy-studio.design/how_much_oil_does_a_predator_2000_generator_takedo1sa.pdfIn PDF document text
    • https://wurixexaf.weebly.com/uploads/1/3/4/8/134865586/meruvavinivov.pdfIn PDF document text
    • https://xorigikaku.weebly.com/uploads/1/3/1/1/131164164/3315275.pdfIn PDF document text
    • https://cdn.sqhk.co/suvezadamut/UugihgK/espn_fantasy_football_mock_draft_experts.pdfIn PDF document text
    • https://cdn.sqhk.co/firataxoworo/whdgczw/trippy_background_tumblr_black_and_white.pdfIn PDF document text
    • http://all-host.site/gebezozedsgu8.pdfIn PDF document text
    • https://laganavixafalos.weebly.com/uploads/1/3/5/3/135341912/jiwimalopa.pdfIn PDF document text
    • https://cdn.sqhk.co/tajudozizif/QAezhdu/rojekesasenaromis.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://tejutixofefadi.rf.gd/16784874603.pdfIn PDF document text
    • http://litopuputorer.rf.gd/67500200998.pdfIn PDF document text
    • http://xovijoj.epizy.com/44108910435.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_off0000d0f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD0F2 5284 bytes
SHA-256: 9feba27de35194e65225f9d04d3b5f29f9cc9590b4d63cb6f71d13227472aaa9
font_01_sfnt_off0000e2de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2DE 10240 bytes
SHA-256: 3dbe61b947f83778e7286ee30fdbb47c14dd85deed242ae1ef0c887370096157