MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript, which is a common technique for executing malicious code. The file also functions as a link farm, directing users to multiple compromised websites and disposable hosting domains. These links likely serve as lures for phishing attacks or to download further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://catamma.ru/uplcv?utm_term=verb+tenses+exercises+for+grade+3
- http://geredekombiservisi.com/userfiles/file/loxikupodidewamukukoxon.pdf
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073489740a57---ludaximomudirakozodofomi.pdf
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160ce865bd3e6e---bigajizemoso.pdf
- https://biblioteka-koneck.pl/ckfinder/userfiles/files/xerogasatokiwidoboxi.pdf
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606e991b406d1---rubifurodewapujisur.pdf
- http://humansharehouse.com/userData/board/file/sozin.pdf
- https://giritrademark.com/content_files/files/negekekogewevirep.pdf
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16091c88a43f9f---powopemugodewevog.pdf
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9756d28e66---97024819871.pdf
- http://sasmedm.com/www/js/ckfinder/userfiles/files/18121197714.pdf
- https://detectiveoffice.net/userfiles/file/terileruxorobunolilutupew.pdf
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/h8hqadsd2uj02lrscplh24aart/99782206125.pdf
- https://www.eos.org.eg/ckfinder/userfiles/files/golinifovipazevumiruda.pdf
- http://whatifitspossible.com/ckfinder/userfiles/files/19471238134.pdf
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e0118f0798---difirupunubulelep.pdf
- http://dorinhawear.com/admin/fckeditor/editor/filemanager/connectors/php/fckeditor/editor/filemanager/connectors/php/userfiles/file/39209884679.pdf
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a9d2ec15766---bejuzi.pdf
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/46a5e21f1b4bbcd828bf5b32a77f0fe8/tafasiwanesijotasufax.pdf
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16109d8295c1f0---98379686377.pdf
- https://aedwea.com/upload/foto/xifaxanisolisojirux.pdf
- http://getem.eu/files/file/mupaz.pdf
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1607c15ad1ebc7---30548268942.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_off0000e361.bin642c597d8efaf3495f7f172ce6bf51b8602b59c5988939d1eac145adb636e70c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE361 | 18032 bytes |
font_01_sfnt_off000112c6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112C6 | 16792 bytes |
font_02_sfnt_off00012add.bincef1ea90c83c4bc2ecd83de5cf1388ab1b1b12e11670472e8d86b4a31b86d161 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12ADD | 10988 bytes |
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