MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains a link farm pointing to multiple PDF files hosted on compromised WordPress sites, indicating a phishing or malware distribution attempt. The presence of numerous distinct hosts and the use of 'utm_term' parameters suggest an effort to obscure the true destination or to leverage SEO for compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/h3hecohpbdpsdl9gmv8aa1e80r/renesubejef.pdf
- http://planbmedia.hu/files/72313318767.pdf
- https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/1761168387e5beacb360bae4d5fd5ae7/jomususuw.pdf
- http://pm-property.pl/userfiles/file/juxaxuvovejep.pdf
- https://uleshuzatabc.hu/files/file/fadaxow.pdf
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160789acc71de4---86409462438.pdf
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609c9754c95aa---riviziwovu.pdf
- https://maturana.cl/upload/file/37551254632.pdf
- https://mamadona.ru/ckfinder/userfiles/files/80623930188.pdf
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/16090793b32fbc---mujadiwuvafajofapogiw.pdf
- http://tourister.kr/userfiles/file/fimivavefo.pdf
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0b7052c0d3---75835074672.pdf
- https://rent-1.es/ckfinder/userfiles/files/palategupizederufo.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/16077484cea44f---29404180551.pdf
- http://gdwtechnology.com/fckeditor/file/polekireduvulizoge.pdf
- https://machnhaduong.com/images/uploads/files/96898701571.pdf
- http://sowa-architekci.pl/userfiles/files/busapadujozinarogi.pdf
- https://geneticapanama.com/userfiles/file/jubapilevubaxebof.pdf
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d21df537d1a---98277946136.pdf
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609da22a585aa---dozuderapubelibipa.pdf
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072b2d440c04---perowifu.pdf
- https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a7fd39bbe53---zajukepoba.pdf
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c1630480db2---ramizufobokikololakotu.pdf
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160808b0fb52e0---32043378003.pdf
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/c41a014e7fcd93a72cfa1a484b63eb23/lorimibopuz.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/m99mii9gfr40vjqmneo2hjudk5/jowetuserazaza.pdf
- https://nnt52.ru/userfiles/file/nubisumawadujir.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=browning+buckmark+owners+manual
- 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_off0000ed35.bin28b9f77a63c1e38594cf885bf61232bb1835a14af20ff80d897261a4420b0fe5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED35 | 16752 bytes |
font_01_sfnt_off000118d2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118D2 | 16792 bytes |
font_02_sfnt_off000130e9.bin3e74cb6c5583d090c2181e99f4fa8ed6e83a29370ad55e6ea3f99ef1efadc645 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130E9 | 10948 bytes |
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