MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites, specifically within formcraft and super-forms plugin upload directories, suggesting a phishing or malware distribution scheme. The presence of these links and the PDF's structure strongly indicate it's used as a lure to direct users to malicious content hosted on these compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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 http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080fb9019963---kojukira.pdf
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/1gtsjutjg3hsmanp53oagc21u3/61351141145.pdf
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd9edc369c---67401801479.pdf
- https://bd-sokolovska.eu/userfiles/file/zedexupejotulan.pdf
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c9c516e9045---86755857996.pdf
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1aeed715c4---10709914952.pdf
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/11b0a78ece3a8c8541d7b18ccbd99066/26029270876.pdf
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607216facb03e---fawezonojobutejiwexitax.pdf
- https://aedwea.com/upload/foto/94270096046.pdf
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dd86601932---56586762691.pdf
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160984b8bc0471---39093483740.pdf
- http://szentdorottyapatika.hu/files/nopexafemaju.pdf
- https://businessservicesuk.com/userfiles/file/39011188821.pdf
- http://benardoutlite.com/admin/fckeditor/fckdata/file/80755508911.pdf
- http://eltonltd.ru/sites/default/files/uploads/53696730623.pdf
- http://cambridgekapurthala.com/damana/userfiles/file/96142140374.pdf
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/b6e73942c81223b9ee0ef8f584b45dc5/48736140962.pdf
- https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/5e15c32113d0321c7976cd407abdddf1/75519858134.pdf
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078665eca788---rofunabimikil.pdf
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16084e0dadf559---14687074227.pdf
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/d03b028388dd21c4d0787f9be52c56b7/59350509762.pdf
- https://cytairtool.com/test/userfiles/file/20210613_c840e.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=ugc+net+home+science+study+material+free+download+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_off0000e9d9.bin0feae49244d06e5fc6ab3394d8dc060da95163ec10b589ff039788cbbafe6247 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9D9 | 17232 bytes |
font_01_sfnt_off000116a6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116A6 | 16792 bytes |
font_02_sfnt_off00012ebd.bin610c39643af263e646b8ad7ebb7b5bd98a0ec644663424e8133ba47a7e98133b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EBD | 11376 bytes |
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