Malicious PDF — malware analysis report

Static analysis result for SHA-256 751d6e35e1cc783a…

MALICIOUS

PDF

62.5 KB Created: 2021-07-23 21:42:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-23
MD5: 2a121dfcc2e95f74a410cf7d0ad1074d SHA-1: 60efcb1c93b7b4435366a0ccc4d53ae1b276da87 SHA-256: 751d6e35e1cc783a10c5bc85b57679a9d47371c233aa384b8accdaaee9562421
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous links to external websites, many of which are hosted on disposable domains or compromised CMS uploads, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9776

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
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://pasarangroup2.com/contents//files/xofetuwiserurimusixa.pdf In PDF document text
    • https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/1badcd85c31b86917939a98fca1a1aa9/niluwubekoratajapekazafos.pdfIn PDF document text
    • https://semineebrasov.ro/printuri-fi/files/70581307923.pdfIn PDF document text
    • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160705f86c7314---18779340803.pdfIn PDF document text
    • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed3b20fff6---86319378756.pdfIn PDF document text
    • https://tomorrowhubs.com/upload/users/files/37766855899.pdfIn PDF document text
    • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/a2b6294ae2c5bca6affdc16531bafd76/xegepomemitikuzulufulani.pdfIn PDF document text
    • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16080bb50865c2---vinipirebenoziburod.pdfIn PDF document text
    • http://nakajima-ya.com/upload/save_image/files/18030769870.pdfIn PDF document text
    • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/47eeccfc6a18a1a013fc4b93a8ccde02/jokelojexomipofodeve.pdfIn PDF document text
    • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/etpvts6uvde6rdiqimo220id60/90846414963.pdfIn PDF document text
    • https://armagedonspedycja.pl/files/file/tipimejudipemuvonu.pdfIn PDF document text
    • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddb393dd095---sobadewukaru.pdfIn PDF document text
    • http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c290cf64607---34772967801.pdfIn PDF document text
    • https://serwisnawigacji.pl/userfiles/file/27719475362.pdfIn PDF document text
    • https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/594b58d7e0d7656e2147f4a691ea4e64/xopabevogema.pdfIn PDF document text
    • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/b7dc2a0e39e3e62945dd750a4c97fc46/sopavegerazesuxujejub.pdfIn PDF document text
    • https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/mer2ku62krpocluhfqk6psh984/kegoregulesozimet.pdfIn PDF document text
    • http://media-production.net/admin/ckfinder/userfiles/files/kidebamipuzedoraxi.pdfIn PDF document text
    • https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/7e6a7909c16f564f161241598c5a9b80/2407664442.pdfIn PDF document text
    • https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/ba565b4d9adb4493256550be690627a4/66178830946.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=8+ball+pool+free+download+iosPDF link annotation

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