Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a266e9074412cfa…

MALICIOUS

PDF

71.7 KB Created: 2021-02-20 12:29:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: c7ad9e1c405e16a91e55d6bf43bfee81 SHA-1: 1246a6c4552e4e87cd6f24a42410247fab9f7f61 SHA-256: 6a266e9074412cfad2faaef64aff37efc33697342c61192fe62b67d0688ff461
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://druttle.ru/wix?keyword=dwarf+fortress+forgotten+beast+generator PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4368964/normal_6019d74567464.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471081/normal_601d1a81e13c8.pdfIn PDF document text
    • https://vuporevebupo.weebly.com/uploads/1/3/0/8/130873771/bovizofuref_garafovuj_zadarodirube_vakivav.pdfIn PDF document text
    • https://vekatofe.weebly.com/uploads/1/3/0/7/130775682/b9fdf0b7710e6a1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420029/normal_6026359e6a4f5.pdfIn PDF document text
    • https://xozuwowofar.weebly.com/uploads/1/3/1/0/131069921/gevasixubo-sigobed-nivetenogunej-faxofogimisud.pdfIn PDF document text
    • https://tenosufude.weebly.com/uploads/1/3/1/4/131455069/0e307506fc.pdfIn PDF document text
    • http://heartcenteredequestrian.com/dialogue_at_the_airportwot19.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459058/normal_5fcd9cfdc798f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4448551/normal_60032a1d75805.pdfIn PDF document text
    • http://lnstagram-copyright-confirms.com/258779468993ovnp.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369152/normal_5ffc9a56762de.pdfIn PDF document text
    • https://joxunirefebemi.weebly.com/uploads/1/3/4/3/134319414/tilefolopadovep.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4471106/normal_6004d6836eb45.pdfIn PDF document text
    • http://pojekofa.iblogger.org/blue_lagoon_2012.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/xajowu/tamil_actor_karthik_hit_songs_free.pdfIn PDF document text
    • https://s3.amazonaws.com/vokeri/zofexofexowofesiwaze.pdfIn PDF document text
    • http://tovezujatim.rf.gd/cloud_storage_free.pdfIn PDF document text
    • http://tosopipates.epizy.com/72351941142.pdfIn PDF document text
    • http://zomimuju.rf.gd/13141813912.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_off0000dc25.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC25 5132 bytes
SHA-256: e9c9028f38bb69d160619a57fab0b7cfceadc5ff8348d6db61b1dce0f890b6f7
font_01_sfnt_off0000edc7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDC7 10408 bytes
SHA-256: 2110f3b4712ef22563aaf631e2e8dc9f2802b11f58c39dd56b6ac544d0d8570e

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