Malicious PDF — malware analysis report

Static analysis result for SHA-256 f800231ff76486fe…

MALICIOUS

PDF

71.5 KB Created: 2021-03-05 08:06:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 90872eff48ce5705647a751f29833dc2 SHA-1: c2a59384e98cfdedfa3bce848f3af529847280a3 SHA-256: f800231ff76486fef2a2ec5656a7873cbe52d27132d42f71bfbd0b5661ec26e8
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://druttle.ru/wix?keyword=acid+bunny+walkthrough+unblocked PDF link annotation
    • https://wavafawiwex.weebly.com/uploads/1/3/2/8/132815000/8906620.pdfIn PDF document text
    • http://gajaxujifusokul.mygamesonline.org/98912708639.pdfIn PDF document text
    • https://sizomejuxitiz.weebly.com/uploads/1/3/4/7/134748976/figuxiti.pdfIn PDF document text
    • https://zenimuxen.weebly.com/uploads/1/3/4/3/134317926/sezor-zijulatibexal-juripiwi-kefudutok.pdfIn PDF document text
    • https://cdn.sqhk.co/gipirukanut/hsbWVhe/28100686363.pdfIn PDF document text
    • https://cdn.sqhk.co/zifiguwosu/QiijabU/green_pants_outfit_winter.pdfIn PDF document text
    • https://judadumoxa.weebly.com/uploads/1/3/4/7/134718892/luzobubewogukap-pewowowu-mugililelek.pdfIn PDF document text
    • https://cdn.sqhk.co/vabalogu/u8DmDha/75251272652.pdfIn PDF document text
    • http://kavelizopepi.mywebcommunity.org/pikivuvena.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4367667/normal_5fdf381063eb1.pdfIn PDF document text
    • https://xexiroxenokela.weebly.com/uploads/1/3/4/6/134613030/fipaje.pdfIn PDF document text
    • http://ziwewixowele.sportsontheweb.net/chronicle_of_a_death_foretold_chapter_2_quotes.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490128/normal_6027c42e7f6e3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450640/normal_60277e165c747.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/risisipajole/duke_basketball_report_twitter.pdfIn PDF document text
    • https://c46c713f-5e69-4c64-aad4-d86f29440f76.filesusr.com/ugd/957c7b_1baec83eef0d4567ae3738bf3bd69cb3.pdf?index=trueIn PDF document text
    • https://36622f5a-5a1b-41a5-aa98-965156e47ac2.filesusr.com/ugd/804ff6_bd4b2090a23c45dfae05c3cc84deaff8.pdf?index=trueIn PDF document text
    • https://c6f55193-7475-4343-97dd-33cb3b141b6a.filesusr.com/ugd/808d8c_2463b0ca34274c23a97113e179070f94.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/sisaxu/25398550686.pdfIn PDF document text
    • https://92fed17e-af34-466b-b3fe-38cd9ef27699.filesusr.com/ugd/192d58_0eb81f9a63dd4b90aaeb2210ca7f9287.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/vuterijoze/faded_roblox_sheets.pdfIn PDF document text
    • https://0621cc9e-6449-4e8a-a8bd-baee9ad62a2c.filesusr.com/ugd/affb4a_a68e57dd38f44c0ea371169c294d163b.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_off0000d7ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD7CE 5408 bytes
SHA-256: 8af8efbf0d33e21a30b20ec1535787f6d4fcecff7a1a516622f1701aac2345cd
font_01_sfnt_off0000ea47.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA47 11472 bytes
SHA-256: 90929463f5666d5eab248c22f9c478fdf8507bc77fec9d770a00d85baff2a370

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