MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, presenting numerous URLs that point to compromised or disposable hosting, a common tactic for phishing or distributing further malware. The PDF structure itself does not contain readable content, but the embedded URIs and heuristic firings strongly suggest a malicious link distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://planet-for-events.de/userfiles/file/tonuvelibedapogiwojogarin.pdf In PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c611937658a---soxuduvenonuromazi.pdfIn PDF document text
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/mjekg2mvgdtd0e2j10ajk5u4n2/xikigaguzunido.pdfIn PDF document text
- http://mywymc.com/userfiles/file/45880680019.pdfIn PDF document text
- https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/8887d63fb5463d090aa7085b7196703e/jubosupewosafapa.pdfIn PDF document text
- http://tovicetour.com/FileData/ckfinder/files/20210628_3818FD1C9AB34CA8.pdfIn PDF document text
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160800c8a7a5b6---14614123012.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/5fsmufk3skpgu0ubc7uhtd62s5/folazuwejuf.pdfIn PDF document text
- http://studioego.cz/userfiles/file/68671279067.pdfIn PDF document text
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/hqqfvu9gvt8b652qhc1p9glea7/vovurureregeberinotupobof.pdfIn PDF document text
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be511e8503a---51442125479.pdfIn PDF document text
- https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/aa7bjoegf8dlg0ksfkc7tdbtog/kepemibanimefozo.pdfIn PDF document text
- http://dxczx.com/ckfinder/userfiles/files/20210603_164410.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa91b33d5f2---4465484040.pdfIn PDF document text
- http://ckpak.com/fckeditor/userfiles/file/33855952084.pdfIn PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf57e61b69b---kisubuwemopizetalig.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/5864e68f7b6581d30f8ec76f4f52ef91/24988856315.pdfIn PDF document text
- http://omonetach.pl/foto/ilustracje/file/40990800571.pdfIn PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/4om9v964fm82l0ksokds2d9kn2/95545249593.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160b0d86146095---dazuxaluruzumadujewifo.pdfIn PDF document text
- http://leesfeest.nl/leesfeest/sites/default/files/file/69332705614.pdfIn PDF document text
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/9b8055d3c208e492af878c2f81bf5820/46438519691.pdfIn PDF document text
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/486d21d18f291b7a111f564318ce9973/monuzojuxisomajedalogi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=saturated+fat+vs+unsaturated+which+is+betterPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eca8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECA8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000104bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104BF | 10876 bytes |
SHA-256: e344c14747b8ebff0a0389dc9c062c9c6c1daaa6276890197382bf4cac0cd887 |
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font_02_sfnt_off00011de0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DE0 | 17108 bytes |
SHA-256: f703f1d4bbde8a8990b4fa22dff8636636f655fa7bc6c33138f2c2f09336ce3f |
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