MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites, likely to facilitate phishing or malware delivery. The presence of multiple distinct hosts and the use of 'utm_term' parameters suggest an attempt to obscure the true destination and potentially leverage SEO for distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/e5172d69436f0def5858e852bda29558/momasupanewewevenoraj.pdf
- http://elencostruzioni.it/userfiles/files/41030305409.pdf
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/218451df9db468dcc501342ba734d3bf/41255246103.pdf
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160d3b062c9bb7---viwirejotokuvujuxakowilo.pdf
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/4qfavulalhontra2b6osro8kc9/891869264.pdf
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1609f82ad6fada---xerezadire.pdf
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608b0f2a102c1---mabadumavowadanax.pdf
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d05992eaee---tajagegenitolek.pdf
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160a25250adab5---29664872778.pdf
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/8708becc3e57e753a8dfd883c13bfff9/70038139550.pdf
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160b65a0d2960d---nobolanaverunigefitab.pdf
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/cn7mta3j7licenr4g1s6u4553p/34081204423.pdf
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/d6c27ac9aea221c45a084caa402c569a/92558677224.pdf
- http://photo-preiss.com/upload_files/files/jutatonemelodebasaboviv.pdf
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/cf739dec118333e4fe60016ad8510bf8/bibuwemepozanovoxixejedat.pdf
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/7be92a68f5624ff7027d98d7be5d1118/80002456995.pdf
- http://1970fchs50thclassreunion.com/clients/1/19/19770213778af891f1b13fa25f964f50/File/19506980699.pdf
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/1609104d0a2adc---nazaxiwejinepufa.pdf
- http://diysmart.net/userfiles/file/81019612963.pdf
- http://1night2daytour.com/ckupload/files/37176919258.pdf
- https://www.carrentchiengmai.com/files/7343888882.pdf
- http://cecev.com/stockages/files/zuxafifusosa.pdf
- https://palcev.ru/userfiles/file/97436890891.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=gone+with+the+wind+actress+crossword
- 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_off0000c09b.binfbf97fc3da74f76eb7b2b40d7165f516cd3c6c53215dfae08bf28b6758026fec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC09B | 16264 bytes |
font_01_sfnt_off0000ea40.bin11f3afb70e055233dbc7e7b2431f911cf024d584d103a0cde8c1b2f9a4bc4895 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA40 | 10544 bytes |
font_02_sfnt_off00010259.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10259 | 16792 bytes |
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