Malicious PDF — malware analysis report

Static analysis result for SHA-256 8946655b9435fac5…

MALICIOUS

PDF

64.0 KB Created: 2021-08-22 03:21:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: c22937956d822a11ee5ee261b0e33ea2 SHA-1: 26c328b4271f885ecb534a63297d770d7a2bdbe0 SHA-256: 8946655b9435fac561cd8bbf23e5a7590bea5b0bc8d28c5eac765d980c00ede0
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as a malicious PDF by ClamAV and ML classifiers. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics indicates a deliberate effort to obscure the final malicious destination. No scripts were extracted, but the overall structure points to a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6403

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://tailormade-sales-marketing.com/userfiles/file/gufoxepuwezodopugodesano.pdf In PDF document text
    • http://sure2trips.com/bot/ckfinder/uf/files/xusefizojekebudasaseterif.pdfIn PDF document text
    • https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/6c8abedbef71db40e46cfb3760206577/28418240326.pdfIn PDF document text
    • https://balajitutorial.com/admin/userfiles/file/88702887184.pdfIn PDF document text
    • http://kraski-chernila.ru/resources/file/lofumofedidufuniw.pdfIn PDF document text
    • https://genegurumiraclehealer.com/userfiles/file/fewosiwagaxisonaw.pdfIn PDF document text
    • http://perles-del-beya.com/userfiles/file/sopifobefomozodowewam.pdfIn PDF document text
    • https://gencatakan.com/upload/file/letajutak.pdfIn PDF document text
    • http://intproplaw.com/admin/uploads/file/pawiledejogisobasedojupam.pdfIn PDF document text
    • https://hashtag.school/userfiles/file/tobuwelumejosid.pdfIn PDF document text
    • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160800fa2f1572---retuxizugu.pdfIn PDF document text
    • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc7d84c3b8---gugokenurumixelo.pdfIn PDF document text
    • https://mindspacepsytherapy.com/upload/ckfinder_temp/files/20210529143533.pdfIn PDF document text
    • https://a1-recruitment.fr/v2011/Files/fck_upload/file/jixuwonoko.pdfIn PDF document text
    • https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/igvtf4qttt593u9ctsm26utmlo/pepagixifopu.pdfIn PDF document text
    • https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/a2gee92qgtlc70nqcdurg999pi/tumetezigun.pdfIn PDF document text
    • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/b0e415ab80140479817c513c2f3f6dde/nobususexij.pdfIn PDF document text
    • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1606ffdfe5d13f---detidobepig.pdfIn PDF document text
    • http://happypalettebnb.com/CKEdit/upload/files/getipizulojafibetisutofon.pdfIn PDF document text
    • http://nitexprofi.cz/userfiles/file/tuwixaki.pdfIn PDF document text
    • http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a3c1445474---zaruwepijefoworiba.pdfIn PDF document text
    • http://myphamlulanjina.com/upload/files/fowokurakofusixaguzajuvix.pdfIn PDF document text
    • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/af262c68c938f32192229536fb4c78d9/95516695262.pdfIn PDF document text
    • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/9k7mgn1qq42hcq7dd4b2l1juto/68656605326.pdfIn PDF document text
    • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160bc4531f17a8---27334039760.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=l%27appareil+digestif+cours+pdfPDF link annotation

Open this report in the interactive analyzer, or submit your own file for analysis.