MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF file identified as malicious by ML classifiers and ClamAV. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to obscure the ultimate destination. The presence of 'utm_term' parameters in some URLs indicates a potential phishing or spam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://aduanaldelvalle.com/userfiles/file/dimonivegunifonela.pdf
- http://feynburg-uhren.de/uploads/12141971286.pdf
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/hm0vpvjpi03cdn6941oicfc7rm/25981973752.pdf
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2e37f899fd---8567368890.pdf
- https://svetplus.com/userfiles/files/vekaz.pdf
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/15187c83307dbc8f368b2d603b91af3d/pogipolokigetakaf.pdf
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/f126e67f4643ce8291e1af4a55e7e9fe/75317863958.pdf
- http://bike-aholic.com/UserFiles/file/luwoverozibupexuxitelaxu.pdf
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609a31f21d8d9---vikewuwijumoselijaluvo.pdf
- http://bestorkate.com/uploads/ckeditor/files/xejagujatenagus.pdf
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/a1b850deed2a66fed08e9d031225eaa1/xebokukovujubezupozove.pdf
- https://diphong.com/uploads/59884292852.pdf
- https://mps-india.com/userfiles/files/92604945053.pdf
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1608d8262267a7---85170204079.pdf
- https://mangonebike.com/uploads/file/jegedudujotavimamepag.pdf
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/6e33530d4c72301cceacbb93c3c3f26f/28658988122.pdf
- https://udruga-invalida.hr/files/muwojawe.pdf
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/5vvj8daivs0gdkccoi4fiq4jln/punutex.pdf
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a5a83715e3d---95712264913.pdf
- http://gilendor.cz/userfiles/file/74799894063.pdf
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160802cb9f37b3---pefunoziwusilusedawabi.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=cremation+in+english
- 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_off0000e436.bin74690efdc2612b70e6cee9528e0d980413d6894024717a3eea19b01c7ad7ba8d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE436 | 10584 bytes |
font_01_sfnt_off0000fc2f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC2F | 16792 bytes |
font_02_sfnt_off00011441.bind924199e4f866c15a99b5e045a6f619442a99848322b8f26dc5c163526901acc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11441 | 16928 bytes |
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