Malicious PDF — malware analysis report

Static analysis result for SHA-256 97165adf9acf9d52…

MALICIOUS

PDF

78.0 KB Created: 2021-02-07 13:31:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: d685457cbe245f73c6708ea3c86a5cae SHA-1: 0a3401691ea7c23cd1242913d5ea3879558ea496 SHA-256: 97165adf9acf9d5208d85c90523b19cdaf1ae0e476381ea064317da4a9a0e9c1
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://jacksth.ru/wb?keyword=lightroom%20cc%20premium%20apk%203.%204%20free PDF link annotation
    • https://felevigapoboxoj.weebly.com/uploads/1/3/5/2/135299972/zafuseguwodede.pdfIn PDF document text
    • https://pesadoxemanuz.weebly.com/uploads/1/3/4/8/134852899/9f797c589ddcee.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4427820/normal_601de94b1790c.pdfIn PDF document text
    • http://lg-copyrightforms.com/kamasutra_book_in_tamil_online_free_downloadpfykd.pdfIn PDF document text
    • https://rirudelibuwa.weebly.com/uploads/1/3/1/6/131606594/femosefule.pdfIn PDF document text
    • https://wugovaxovagebi.weebly.com/uploads/1/3/0/9/130969592/7588987.pdfIn PDF document text
    • https://cdn.sqhk.co/murafabu/hZzzgep/44685047221.pdfIn PDF document text
    • http://getdouche.xyz/yg_4real_4real_zipvk54n.pdfIn PDF document text
    • http://bloodcraft.online/91641988810ywfvz.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4422137/normal_6003ae0a8112a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373779/normal_5fdb15072bba1.pdfIn PDF document text
    • http://center-about.com/35927910674ujsv2.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://regipikiwubadov.epizy.com/rimemega.pdfIn PDF document text
    • http://mewexudidis.epizy.com/telugu_folk_songs_audio.pdfIn PDF document text
    • https://s3.amazonaws.com/fuvidokibet/39840928282.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_off0000e3bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE3BF 5508 bytes
SHA-256: 4725f9f22e0a958598e4ba26718023427966b157ea735c783d336586bd88f811
font_01_sfnt_off0000f672.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF672 23484 bytes
SHA-256: 7a808b5043d3cd6a7311edc45ef05529303aca137e019b796c0448a1fc25f7c0