Malicious PDF — malware analysis report

Static analysis result for SHA-256 c775bd67adc79a9d…

MALICIOUS

PDF

52.6 KB Created: 2021-02-04 05:18:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: b5273a03db0000551de41c433e9ed554 SHA-1: e5c9625665a53305f3c9e2c45f9e9ab93d6870d2 SHA-256: c775bd67adc79a9d801d484314a652a293e7e62a94e0651941a984a8e92ba870
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains numerous embedded URLs, many of which point to disposable domains and are structured as link farms, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, contains text related to 'Amazon app for macbook air', likely a lure to entice users to click on the malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7393

Heuristics 4

  • 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
  • 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/aws?utm_term=amazon+app+for+macbook+air PDF link annotation
    • http://mmeueue.space/5515377705835mv6.pdfIn PDF document text
    • http://sberbank.services/nadan_pattukal_malayalam_mp3_free_download33br2.pdfIn PDF document text
    • https://rajexomogalifi.weebly.com/uploads/1/3/4/8/134891851/2572a6e482.pdfIn PDF document text
    • http://antonio-ita.space/best_old_hard_rock_songssvti6.pdfIn PDF document text
    • http://yoganchik.space/turigazakefasovidekufuwubb4jlr.pdfIn PDF document text
    • http://indital.fun/ryobi_airgrip_laser_level_troubleshootingo35pn.pdfIn PDF document text
    • http://fishing-rods2.club/374876405554blgp.pdfIn PDF document text
    • http://organicnu.info/25546155617mij36.pdfIn PDF document text
    • http://hydrofthol.space/wisepelarexebuduroluget7juhm.pdfIn PDF document text
    • http://trokot-online.xyz/4500868705694fhl.pdfIn PDF document text
    • http://aarbuz.space/917131163802jx8o.pdfIn PDF document text
    • http://starkrobotics.org/imprimer_grilles_de_sudokufl361.pdfIn PDF document text
    • http://fabulouss.space/bosukabmd461.pdfIn PDF document text
    • http://pijirikuzi.iblogger.org/tata_sky_packs_2019.pdfIn PDF document text
    • http://kojaburu.epizy.com/70748256576.pdfIn PDF document text
    • http://pakefuvusenoz.rf.gd/pure_virtual_function_in_template_class_c.pdfIn PDF document text
    • https://s3.amazonaws.com/fatisake/29497817443.pdfIn PDF document text
    • http://gisunomadipoxas.epizy.com/mandate_letter_sample.pdfIn PDF document text
    • https://s3.amazonaws.com/kalanejaxutilif/robidagunipuzoma.pdfIn PDF document text

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