Malicious PDF — malware analysis report

Static analysis result for SHA-256 092ecdcb1553ad7b…

MALICIOUS

PDF

72.6 KB Created: 2021-03-06 23:04:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 13f05610608c1b5137f62831fc96ae04 SHA-1: 3011a4731d270af57106e8504ce2d00a0c7f47c4 SHA-256: 092ecdcb1553ad7b4e12822464d88baceeea664cfdeae44b4cec8f13d6858b50
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://fokemale.ru/award?keyword=cuantos+centimetros+cuadrados+equivale+un+decimetro+cuadrado PDF link annotation
    • http://bewewafip.scienceontheweb.net/air_force_football_uniforms_vs_army.pdfIn PDF document text
    • http://digitaloffice24.ru/xikumaporyock1.pdfIn PDF document text
    • http://kisegojunu.22web.org/gunuduzozewebubumesufusi.pdfIn PDF document text
    • https://wezalowesugalu.weebly.com/uploads/1/3/2/8/132815960/1932658.pdfIn PDF document text
    • https://gedobelega.weebly.com/uploads/1/3/4/3/134375191/bf628131f690d.pdfIn PDF document text
    • http://hq-cleartv.info/camp_chef_pursuit_20_portable_pellet_grill_smoker_review36w02.pdfIn PDF document text
    • http://instasale.company/708969756925pge7.pdfIn PDF document text
    • https://pajobozonojamu.weebly.com/uploads/1/3/3/9/133997184/6195078b4c0936c.pdfIn PDF document text
    • http://eushopvmn.site/wuwejopotoponaxahv6kw.pdfIn PDF document text
    • https://veledagovivavav.weebly.com/uploads/1/3/2/6/132681602/9786763.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://dedb376b-efc3-4528-ac10-fc65d12f866c.filesusr.com/ugd/5f6074_547a0c822cb14959ac52f5ffd3770cd7.pdf?index=trueIn PDF document text
    • https://8772a198-af03-49ef-8724-5feb7546cb8a.filesusr.com/ugd/436f04_ecc7b2a787914ac8ac2b1fe3b9d94005.pdf?index=trueIn PDF document text
    • http://xalovizavana.rf.gd/18049396692.pdfIn PDF document text
    • http://tanonarimunal.myartsonline.com/stihl_lawn_mower_comparison.pdfIn PDF document text
    • https://acfcda0b-1795-4b40-aedc-9a0bc13047ce.filesusr.com/ugd/89c6ad_dbc63af9eeed481d9e265a500d9acdbd.pdf?index=trueIn PDF document text
    • http://sulijugofogim.onlinewebshop.net/how_do_u_describe_a_rainbow.pdfIn PDF document text
    • https://f110cc6a-49d6-427c-9ab6-a3a4d323b004.filesusr.com/ugd/9e53d4_0cf6cca27ec14869aff47084c4f267c6.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/farefasejikap/borbaad_full_movie_2014_hd_720p.pdfIn PDF document text
    • https://s3.amazonaws.com/taguxif/87370612451.pdfIn PDF document text
    • http://dogiwexor.myartsonline.com/42706926705.pdfIn PDF document text
    • https://s3.amazonaws.com/wukevirenesu/20856776428.pdfIn PDF document text
    • https://8137cd1e-393d-4948-8193-eca935452849.filesusr.com/ugd/756799_67b24ef03cb04a84ac84672ac2417fc8.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_off0000db5e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB5E 5176 bytes
SHA-256: 1f92f24693c265b782a261da364fb93fc2aac24ee8b8962b5c9f3f5f3328fbc7
font_01_sfnt_off0000ecdd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xECDD 11408 bytes
SHA-256: e37f36e8fead2891ade9749c2b41d31455837920d2c0a6daaa029a6c349b68cf

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