Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b9c045d2380b8d6…

MALICIOUS

PDF

64.2 KB Created: 2021-02-18 16:36:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: abc5a93b6fa12671b4776bbccb0d2b32 SHA-1: 610a31f325c4dff7977fd7e5569470950f056a3d SHA-256: 1b9c045d2380b8d6b896e18c0cab8042b4513d564eca4ca95129c289d3187984
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://jottigo.ru/wix?keyword=callie+northagen+instagram PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4481834/normal_601973568e49f.pdfIn PDF document text
    • https://ruvezidarumova.weebly.com/uploads/1/3/1/3/131380493/tikaworetig-tepefimorusavem-wiwuzejosinijak.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4482002/normal_6006718618592.pdfIn PDF document text
    • https://zalovodidana.weebly.com/uploads/1/3/4/0/134040409/5322460.pdfIn PDF document text
    • http://deutschebank-meine.com/apeman_h45_trail_camera_instruction_manuallc427.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4478134/normal_600bd572b3802.pdfIn PDF document text
    • https://dulebolipema.weebly.com/uploads/1/3/5/9/135997598/d7d465c9a533.pdfIn PDF document text
    • https://nufewaxitobazat.weebly.com/uploads/1/3/4/7/134748461/vofosemonedifa.pdfIn PDF document text
    • http://kukikifo.iblogger.org/speed_queen_gas_dryer_reviews_2019.pdfIn PDF document text
    • http://shoop-fl.ru/jixirgtx1x.pdfIn PDF document text
    • http://gejobukopap.iblogger.org/14305394686.pdfIn PDF document text
    • http://latuha.com/29142194112xzzk9.pdfIn PDF document text
    • https://polovetanofup.weebly.com/uploads/1/3/5/3/135330247/1889687.pdfIn PDF document text
    • http://reflectionss.space/performance_fee_calculation_methodologyqrajv.pdfIn PDF document text
    • https://mefutugotipefij.weebly.com/uploads/1/3/5/3/135304762/4417315.pdfIn PDF document text
    • http://zakofuta.66ghz.com/29476128674.pdfIn PDF document text
    • https://dofigova.weebly.com/uploads/1/3/0/8/130813881/9936715.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366655/normal_5ffd495fd0dbe.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fojoxolizono.rf.gd/bhagavad_gita_free_in_tamil.pdfIn PDF document text
    • http://faxiwig.epizy.com/leaflet_template_psd_file.pdfIn PDF document text
    • http://tidukuj.epizy.com/koxutekinojofob.pdfIn PDF document text
    • http://buwufofu.epizy.com/40297233865.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_off0000c065.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC065 5004 bytes
SHA-256: 35f6834f06bca243a0b603d4df6acee82769dfcd00847e50a2c2373ef0ed5361
font_01_sfnt_off0000d13c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD13C 10104 bytes
SHA-256: 06ef7dcd9bbc004a2228cd4398c537f0cb39613da7de9633ec9c3009a4a560e7

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