Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba49b271141febb4…

MALICIOUS

PDF

72.7 KB Created: 2021-03-07 08:01:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: a83a9cab611629a760a835a4d26dc816 SHA-1: 01af18dc3657f94c1410f6fd0db87cf83b3df292 SHA-256: ba49b271141febb47149526547dc3b29505f46409e9628aed94d211bf4a8f9a5
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+is+blue+book+value+canada PDF link annotation
    • http://farvestnn.ru/72267521809vguch.pdfIn PDF document text
    • https://sebanibukuj.weebly.com/uploads/1/3/4/3/134354661/1f6842.pdfIn PDF document text
    • http://sodaapp.club/panasonic_phones_cordless_with_answering_machinehkbet.pdfIn PDF document text
    • http://lojapidabud.mypressonline.com/how_do_you_write_an_introduction_for_a_descriptive_essay.pdfIn PDF document text
    • http://erogan-encolumbia.site/xobaleluc30ra.pdfIn PDF document text
    • http://getsalle.xyz/adobe_premiere_pro_cc_2017_free_transitions153cg.pdfIn PDF document text
    • http://monongzhlh.space/dr_wahls_meal_plan4r493.pdfIn PDF document text
    • http://samyog.ru/amiibo_lista7en0.pdfIn PDF document text
    • https://vesizolakaz.weebly.com/uploads/1/3/4/3/134333528/7498065.pdfIn PDF document text
    • http://copalofa.site/pemuligobokunr7hm.pdfIn PDF document text
    • https://febufovita.weebly.com/uploads/1/3/4/3/134324671/salut_sapurawutofeb_febokifupipa.pdfIn PDF document text
    • http://topmassage.net/zogetimukokekeropawif4xj.pdfIn PDF document text
    • http://pemizirevubel.mywebcommunity.org/la_guerra_de_las_100_horas_con_honduras.pdfIn PDF document text
    • http://dipunag.getenjoyment.net/how_to_overcome_stress_eating.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://fad58b31-c538-4d3f-828d-7998eec853b9.filesusr.com/ugd/7e6083_6e5a1cee9a844e4fa89204369ea21e12.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/kelageketisefuv/taryn_southern_break_free.pdfIn PDF document text
    • https://s3.amazonaws.com/fizaxo/55211803036.pdfIn PDF document text
    • https://s3.amazonaws.com/baxekojojexusol/kuzaloxilo.pdfIn PDF document text
    • https://s3.amazonaws.com/wozoxub/toxujuvirofupuzimon.pdfIn PDF document text
    • https://63995da9-74be-4895-8497-a4fa53c9845d.filesusr.com/ugd/788c84_4dc498fec47049a2a443d719d06bebb6.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_off0000e0e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0E7 5208 bytes
SHA-256: 66e0a9dc11465f44484fb012e1686290081655bf6774c3836682cae6c72a9eae
font_01_sfnt_off0000f2ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2AC 10264 bytes
SHA-256: c865e087f1273cbc72550e0eb6128553bfe2f3b6f1e868fff7faf99d43f924ee

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