MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The file contains numerous URLs pointing to compromised CMS upload storage and disposable hosting, suggesting it functions as a link farm. These links likely lead to phishing pages or further malware downloads, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/1th7rr0cjag0b08uf0ev3tdutn/18381068758.pdf
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/f250458c3edd856dc5aee69652613911/zulopiwonomusar.pdf
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/7vvkd78gfrcv40qolicb1utlls/kenim.pdf
- http://ndc-group.ru/uploads/files/8967992167.pdf
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/a4adc31d23d795705e4f66537390b34e/duwigola.pdf
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a91db1cbf40---pujelisefebutaxojunirovo.pdf
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/6b0ce6a3e0384ac67ee883165c3fe07a/68724765638.pdf
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/38bd8ffd0d1e3886c62b58ad14b5d00f/balefozik.pdf
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf1921a674---wopumebemavi.pdf
- https://sayurhijau.com/contents//files/wujogen.pdf
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160d3fb2ad3862---78954480369.pdf
- http://aucoindeshalles.fr/menu/file/49697849546.pdf
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b843b832c6c---putigudajena.pdf
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/81078fc9dbb1ce2ba060882cc8f51062/forakesugonari.pdf
- https://cald-lighting.com/wp-content/plugins/super-forms/uploads/php/files/8f4de0e2f74754a306d4010bd1b5b6e9/15157106881.pdf
- http://tlxzkj.com/uploads/file/310158528964.pdf
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b73d552d7b---liveloso.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/f3b8c116f5ceba65482def7117b5f3ee/silowopikotivofux.pdf
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/83963bd62dbe1a5f55642d60ff0a78ff/vasivuvodiled.pdf
- http://amsasecretariat.fr/userfiles/file/78910961304.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=black+panther+full+movie+stream
- 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_off0000d706.binda20a27154cf8fc5f70e8fa3eabd307a24a0a34df90bafdea377379dcb815dc8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD706 | 16808 bytes |
font_01_sfnt_off00010258.bind22f424e5134df4e334ac6e3b67f90a16251d8ed13c5f7321d351bd3be70e75b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10258 | 11056 bytes |
font_02_sfnt_off00011bff.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BFF | 16792 bytes |
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