MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised CMS upload directories and disposable hosting domains, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/4da9ffae97b7a89dda544fe6552308ce/lazonigezepitobam.pdf
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1608b1f910141f---bubifedadaxuxodojib.pdf
- http://consulcongress.it/uploads/assets/file/64781086459.pdf
- http://hrjok.com/uploadfile/file/modujeriraru.pdf
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160917e4674be7---bobodalo.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/2lutnepa0m8sht5m3n3v9es19q/89324243118.pdf
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16080e73b6e868---68440189108.pdf
- http://kevinmcallisterlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/8393079479.pdf
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607509c9c6938---14930337766.pdf
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b513e08a363---kegaritabekela.pdf
- http://qiangka.com/ckfinder/userfiles/files/4054469394.pdf
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/f88479b189460bcfca3e98f989170b4d/9667368965.pdf
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160ca4e521f06d---81951129862.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/530r9ulf7njfn6jf0ord5qq7t0/vokiwugako.pdf
- http://sasalidayanisma.org/uploads/file/dowamilabafovarigo.pdf
- http://ecohort.com/userfiles/files/tajodil.pdf
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d171f0dcb2---89671897964.pdf
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607f80f184ff3---88737942772.pdf
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf0963b16ed---rutunazufatopokedozijugi.pdf
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/d02262713941906a26e983a0b25ddd8e/genozifobiditozizodilewo.pdf
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/2da387944efef09dc987deb5fe5ebddf/39670586313.pdf
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608246746a999---gupikapuremelezosazek.pdf
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c0dde17ef6c---zogitikadapi.pdf
- https://t2sc.me/userfiles/16936388149.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=modern+politics+and+government+7th+edition+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f97b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF97B | 16792 bytes |
font_01_sfnt_off00011192.bin73b02bbe0cb9ef06e6b1e62901ae4bbae82a5650b30216c386b9a805c593ddae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11192 | 11176 bytes |
font_02_sfnt_off00012b54.bin03f4d792acfa7feb247a3d7024ae51f70988fb5beb67a3744aa9c122e1a9cd08 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B54 | 17416 bytes |
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