MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external URIs and link farms pointing to compromised WordPress sites and disposable hosting, indicating a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to malicious sites via a spearphishing attachment. No scripts were extracted, but the structure itself is the attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9780
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://archism.ru/uplcv?utm_term=rime+of+the+frostmaiden+drizzt PDF link annotation
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607628eae4a1c---51085802220.pdfIn PDF document text
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160986b9082932---donasuzotusepij.pdfIn PDF document text
- http://circolonauticofavignana.it/userfiles/files/97923110404.pdfIn PDF document text
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073052549ed7---36867169667.pdfIn PDF document text
- https://pinpointfeedtech.com/ckfinder/userfiles/files/4047351505.pdfIn PDF document text
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160bb69c67e9c8---noxuloxewuvusaretefamujir.pdfIn PDF document text
- http://rockhouseschool.com/rockhouse/uploads/files/94166505943.pdfIn PDF document text
- http://c-amc.com/upload/files/dimagatewidakanasajum.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ac9f4166f4a---33970550057.pdfIn PDF document text
- http://spreewaldatelier.de/img/editor/file/95261303184.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/e63qt0bpn4anedbu52npsi5h07/62580774351.pdfIn PDF document text
- https://tractorpulling-emmeloord.nl/upload/file/99140853786.pdfIn PDF document text
- https://implant-drill.com/userfiles/file/88231698595.pdfIn PDF document text
- https://lapalettedesarts.fr/gestion/file/81678291198.pdfIn PDF document text
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/7b7g6b7k6um4nvg1v0muaqada3/90967315346.pdfIn PDF document text
- http://jagodkaprzedszkole.pl/userfiles/file/75622256963.pdfIn PDF document text
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/6cd02d605d648eb391686fbfeddbd1a5/nuxewewinipefasese.pdfIn PDF document text
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4d24408175---roxetemen.pdfIn PDF document text
- https://gloriouz.in/ckfinder/userfiles/files/metemosowigi.pdfIn PDF document text
- http://cokhihoaiduc.com/uploads/files/likisevemon.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afcf593fd85---kujaredowetiwekemotaton.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608cdf9d64e25---bonowefekivilejameb.pdfIn PDF document text
- http://bennyhigh73.com/clients/3/33/33ce00c6a031cf3b17a3dcf69aaa7594/File/536288446.pdfIn PDF document text
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9a5cd58f4a---3160583437.pdfIn PDF document text
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/dg04rqjeb5pmrtqgfhv5sa3r17/vapulikunamutesijafuv.pdfIn PDF document text
- http://coiffurenais.com/userfiles/file/jipemepozovowasene.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16075e9da8a381---32675206921.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001419a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1419A | 10680 bytes |
SHA-256: ec09743e47b5f8f75d994e47d92986d6d3271223b7e4c01e921cc346d3ff238a |
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font_01_sfnt_off000159f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x159F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00017203.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17203 | 17332 bytes |
SHA-256: ff40769fef02fe3a1c3d40f1394a8b0f797d3b7bed9381a98c93f45db557e0d6 |
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