Malicious PDF — malware analysis report

Static analysis result for SHA-256 00f153ed67e5e2a7…

MALICIOUS

PDF

68.8 KB Created: 2021-03-01 17:04:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 9137ed52fd3eb9793d47b73635d41973 SHA-1: 6664c640e0044b8389b0b1755b170c93b99c1373 SHA-256: 00f153ed67e5e2a74f7c6bfe60c25a79fb0603524259c6fbed5a6bc02ec7b261
186 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO poisoning tactic. The document body, though corrupted, contains text related to movie searches, which is likely a lure to direct users to malicious websites. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://nipisod.ru/strik?utm_term=sarah+plain+and+tall+skylark+full+movie+online+free PDF link annotation
    • https://cdn.sqhk.co/vefusujix/iibiaqS/banana_pancake_recipes_gluten_free.pdfIn PDF document text
    • http://grenkasalo4.xyz/printable_hundreds_chart_blanki7g16.pdfIn PDF document text
    • https://cdn.sqhk.co/ranuvore/jgibghQ/20032972874.pdfIn PDF document text
    • https://lurufakezudaka.weebly.com/uploads/1/3/4/8/134884294/5809037.pdfIn PDF document text
    • https://cdn.sqhk.co/juvanejejuwo/jhprebz/43807703324.pdfIn PDF document text
    • https://cdn.sqhk.co/lomekojop/gegcLVN/dead_effect_2_apk_mod_mega.pdfIn PDF document text
    • https://cdn.sqhk.co/sazalevimit/hhsuhil/fundamentals_of_space_life_sciences.pdfIn PDF document text
    • https://cdn.sqhk.co/kukisigafumi/jYeftnq/25857446891.pdfIn PDF document text
    • https://cdn.sqhk.co/parikozug/gSggfgg/earthlink_phone_number_to_cancel_service.pdfIn PDF document text
    • http://lbaranaydin.com/kbb_rv_guideldaef.pdfIn PDF document text
    • https://dizakevusarebiz.weebly.com/uploads/1/3/4/5/134581037/ferananavigiw.pdfIn PDF document text
    • http://kigurumi.org/taoist_breathing_techniquesoonet.pdfIn PDF document text
    • http://trixy-matrix.space/giratina_raid_guidei54b3.pdfIn PDF document text
    • https://cdn.sqhk.co/bulixanejad/rHhj0Wt/goguref.pdfIn PDF document text
    • http://atomyimperial.ru/hayward_ecostar_sp3400vsp_drivetp1py.pdfIn PDF document text
    • https://novunafa.weebly.com/uploads/1/3/1/3/131379228/6050821.pdfIn PDF document text
    • http://secureappeal.com/mansfield_park_romanavrjid.pdfIn PDF document text
    • https://cdn.sqhk.co/zokosofu/jghiibH/wuboladaxogebubavul.pdfIn PDF document text
    • http://fsfsfd.xyz/amharic_phrases0lsui.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://sofidubanelen.epizy.com/apprendre_l_anglais_gratuit.pdfIn PDF document text
    • http://sesiperuvi.rf.gd/lutonetixerubaxagagaxil.pdfIn PDF document text
    • http://buvajelu.rf.gd/54309261499.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_off0000cd55.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCD55 5612 bytes
SHA-256: 86e8235c62479746767585d65d2d578d5ea8821a3caf0be9d5b89518d3d437a8
font_01_sfnt_off0000e04a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE04A 10800 bytes
SHA-256: 972ddd74169e1b1f39a6fd6e2f6a07a81f010f710860e10caa866d6d3195b1e2

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