PDF malware analysis — malicious · 94ea75e240fcd437

MALICIOUS

PDF

80.0 KB Created: 2021-09-01 16:14:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-07

MD5: 8d824d93aad00b441946039d000247b7 SHA-1: 74c1cd5e178233f207662f2a8b6aa75929f6afb1 SHA-256: 94ea75e240fcd437a511ec092b7f497e0979b74e318b6d681b5cd602cc1f82d9

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a large number of embedded URLs, many of which point to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of these links indicates an attempt to facilitate phishing or malware distribution.

Machine Learning

Nyx PDF Classifier malicious score 0.6314

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://huntic.ru/uplcv?utm_term=pork+pot+pie+with+puff+pastry PDF link annotation
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afbab6ce78f---vuwibomivesujarizebikoz.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084afb51c6ba---finevok.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bbb41ccd184---17842607184.pdfIn PDF document text
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/ongcke5ifb7b1c5bo0ef7ake8a/82562160879.pdfIn PDF document text
- https://alarouba.com/ckfinder/userfiles/files/fojutejuxamup.pdfIn PDF document text
- http://concilianavarra.com/userfiles/files/vixajosixixuzibavagudorin.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e9198d39329---pigodalulusux.pdfIn PDF document text
- http://studioaba.net/userfiles/files/84044470137.pdfIn PDF document text
- https://resttour.com/images/userfiles/files/79928946794.pdfIn PDF document text
- http://tienhasteel.com/app/webroot/upload/files/ruwurupomimafodoka.pdfIn PDF document text
- http://didaconcept.com/admin/fckeditor/file/xejifunuvorenutupezezu.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/6cc7a4bf32bb3b60bb31e054ba394295/49932313196.pdfIn PDF document text
- http://www.ddu-hk.cz/ckfinder/userfiles/files/movemipebifuwumupa.pdfIn PDF document text
- http://ky-auto.com/uploadfile/files/45241130423.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf36851f43b---44433469948.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/8027797acac290dcfefa79269a3dbbf7/rejomis.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/a66c4d01246c6901e7014a335a7ca686/nipubor.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f8f8b24b868---87700127260.pdfIn PDF document text
- https://tavio.ru/files/file/laxasugaxazetakisap.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608f2bf85117b---24844773677.pdfIn PDF document text
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/36pvjefbitt4cbncpljok1h482/38285111463.pdfIn PDF document text
- http://studiogiamberardino.it/userfiles/files/11711106419.pdfIn PDF document text
- http://szhlfz.net/upload/naxamadaxuwutinikanozat.pdfIn PDF document text
- http://mayamalay.com/clients/874202/File/22146717629.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000fdde.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFDDE	10696 bytes
SHA-256: `d1747360e3f9c238933143b7af913969b9180ffbf6822b33aa490f07e33d2f9b`
`font_01_sfnt_off000116b5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x116B5	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

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