MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of links pointing to various websites, many of which are hosted on compromised WordPress installations or disposable domains. This structure strongly suggests a link farm designed to redirect users to malicious sites, likely for phishing or malware delivery. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://newtech-utm.pl/userfiles/file/luvesumifabebajesokojar.pdf
- https://abeess.com/userfiles/file/22573016350.pdf
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a3d2a538730---setebubojitu.pdf
- https://privatecambodiatour.com/userfiles/file/20910202096.pdf
- http://rolmech-strzelno.pl/Upload/file/48196825554.pdf
- https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/fsq08kqgdajfiagduh6qn4hlu0/velizaxipituv.pdf
- https://nothingbutsafetyglasses.com/userfiles/file/zuvokutujufegazilofud.pdf
- https://chameleoncoupons.com/adgprocessing/uploads/files/vowolazavewumuxidefevan.pdf
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/rfmgpv505pdc61i71udd9ilsl1/jowonobupujadufid.pdf
- http://kleinschaden.expert/userfiles/file/23211429356.pdf
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160786a1ce0918---nodazemurogox.pdf
- https://eyetracking.pl/userfiles/file/fuduninajexudukun.pdf
- http://hillsclinic.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/nonaxomi.pdf
- http://versobrokers.eu/userfiles/files/bumemojo.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072e6aa59b10---zogos.pdf
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c86c1f683b4---bosabopomasev.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3c292db723---fefegabalewowenodara.pdf
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/hc2i02j5lrhvs5squb549tps94/11239615974.pdf
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/6d765037ad6c9f59a5ba9b0156c76b79/91450841252.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/16077b2ce8046a---64693646488.pdf
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160cf227e1f7a6---74412999258.pdf
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/d100cba11d19c5bb68f6050009399fd9/nozoludorug.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=cost+of+living+stipend
- 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_off0000f221.bin57def106977e3b741068cb5b23535cc763bb30491a97c7e337ffab1c93f6e5e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF221 | 10508 bytes |
font_01_sfnt_off000109f5.bindc0f488932b70b660b65bf4be70220c9d0919e4f4fb04f01e5525da98fbaa154 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109F5 | 17524 bytes |
font_02_sfnt_off00013801.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13801 | 16792 bytes |
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