MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains numerous embedded URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of these links and the overall structure indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://huntic.ru/uplcv?utm_term=watch+instagram+photos+without+following
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/34da4d68b6b541c2aad5df2b238bc819/92217778430.pdf
- https://hkpefa.org/editor_upload/file/giliguwarolukoduj.pdf
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ebeb3eff2d---21581283178.pdf
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16143062cdcc5f---noximofu.pdf
- http://pkynfe.net/userfiles/file/xakipepazepixuvinofikidor.pdf
- http://okfilm.kr/userData/board/file/36518837925.pdf
- http://otestmanager.org/club/data/userfiles/file/20210901225436.pdf
- http://buffagiuseppeinfissi.com/userfiles/files/geditojenevusisobevupere.pdf
- https://baoyi-chuck.com/ckfinder/userfiles/files/38134650525.pdf
- http://dopuskvsro.ru/UserFiles/gakevalulaloxamebeju.pdf
- https://playerpress.com/ckfinder/userfiles/files/xijokidutu.pdf
- http://ohappy.org/userData/board/file/47664117530.pdf
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/16136bf5776d63---48918314461.pdf
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/2fe971f46aa0738be33a2c93650e91bd/25786837757.pdf
- https://adian.eus/files/galeria/files/70448034790.pdf
- http://kazuma.ru/ckfinder/userfiles/files/juvafanet.pdf
- http://gocreate.termall.pl/upload/fck/file/disevelevakodovuxixexab.pdf
- https://panoramabyty.cz/content/97239601406.pdf
- https://siliconautomation.com/userfiles/file/putinebisibiwabokide.pdf
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1614161dc2a9a5---28615911499.pdf
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612f893f59351---pinexufunifovamoda.pdf
- http://f1-rennsimulatoren.de/userfiles/file/zudigarevolorasituxadu.pdf
- http://elitacasa.it/images/file/69018241415.pdf
- http://annamsaigonlaw.com/upload/files/boxamu.pdf
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613889182a8ef---64580364214.pdf
- https://micro-logic.ro/images/uploaded/file/gifonosisolusukopotibenir.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_off0000d478.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD478 | 16792 bytes |
font_01_sfnt_off0000ec8a.bine1702f0b19aa9661f7e610e9e365a9d59cdbdd916ccbe8b677846d86f990654d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC8A | 18104 bytes |
font_02_sfnt_off00011b05.bin942d49a2fb6f3e6a647f1328b1221e29da64fa3fdef49d39c5edc9d2775d7623 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B05 | 10972 bytes |
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