Malicious PDF — malware analysis report

Static analysis result for SHA-256 70b9679a40d0590d…

MALICIOUS

PDF

69.6 KB Created: 2021-03-01 23:36:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: e5760457d18b99b29e7c1369c5d2d648 SHA-1: b6a595f69259ecf17f5200d1163a71885e779fb8 SHA-256: 70b9679a40d0590dc9b8de999fc67331164ab77eac951e52329b2a06b117eb09
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://xajibur.ru/award?keyword=what+was+alexander+the+great%2527s+horse%2527s+name PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4392193/normal_600fd1cf1a68a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392871/normal_603c05aee385b.pdfIn PDF document text
    • https://cdn.sqhk.co/jututumogu/hidtQij/20375317857.pdfIn PDF document text
    • https://cdn.sqhk.co/padixemugex/dJpid00/48186734542.pdfIn PDF document text
    • http://leree6.club/744590748916kkbn.pdfIn PDF document text
    • https://cdn.sqhk.co/porekige/AyhhxRI/kiwi_browser_fast_quiet_for_pc.pdfIn PDF document text
    • http://tikovg.xyz/fubonapurokex692ke.pdfIn PDF document text
    • http://nadozigipak.22web.org/uae_employment_contract_template_word.pdfIn PDF document text
    • http://hopecommunitynaz.com/industrial_robotics_groover_downloadmy9e1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454672/normal_6030d5cd674da.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4485822/normal_5fce86e1da19f.pdfIn PDF document text
    • https://cdn.sqhk.co/tibakekavero/iXBjhhd/69454800856.pdfIn PDF document text
    • https://cdn.sqhk.co/lopumilekana/hhu0JHp/gavumidiximetoxarujuxikit.pdfIn PDF document text
    • http://speak4pro.com/99908312470r0m7z.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/buganabowumujef/78319383935.pdfIn PDF document text
    • https://s3.amazonaws.com/gotenukevepunin/cg_comedy_natak_video_free.pdfIn PDF document text
    • https://s3.amazonaws.com/wujodibu/energia_eolica_informacion_en_ingles.pdfIn PDF document text
    • https://s3.amazonaws.com/bezorito/bobcat_hunting_guides_in_ny.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_off0000d55c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD55C 5444 bytes
SHA-256: 8c32dfc01ec1fc2da265ed2084eff257fde91c327ee2f73a9492b4fcd120c916
font_01_sfnt_off0000e7d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7D7 9768 bytes
SHA-256: db0d6672e2fa79c65a2c0599d1e1d4e54c8d2fa8c2a7a8a0dede4f542f4f23ce