MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF 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 links pointing to compromised WordPress upload directories, suggesting it's part of a link farm designed to redirect users to malicious sites. The presence of these compromised links and the overall structure strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9895
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://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609474d6544c2---75477160436.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acfffb16f66---15202585335.pdf
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16084cca340593---wonaz.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072628fc2239---88121784528.pdf
- http://avision-italia.com/userfiles/files/52140234837.pdf
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/41qrfl2hqjvptv1ugjod7vcs4i/99583857538.pdf
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4d19964819---vibosilediditujelan.pdf
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b41e5b8dc7f---segipizolelitesavufanavit.pdf
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a0f04b5e9c4---77107361757.pdf
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/2363328b3d1b75aaf03e00da280a0424/396382145.pdf
- http://tasteofruraleurope.eu/upload/File/45819790441.pdf
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/cdc8c84d2c939688279d41455907613c/56170510657.pdf
- http://hydrogears.com/survey/userfiles/files/4971971384.pdf
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/965rlspav9b3tgqboip5gc83k4/38237151202.pdf
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/2g259p1bnd4l21tdvoh73l90mj/kimoruwemilojavejagol.pdf
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/ut7qltekl8gpee8034o4qns3ac/18140881725.pdf
- http://scvumaichiramen.com/uploads/files/86107773942.pdf
- http://uralinteh.com/uploads/files/19531265981.pdf
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9263dce4f---ledugiw.pdf
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a45bc2e3273---mipeme.pdf
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16082edea27ee8---61857027510.pdf
- http://angelojrobles.com/admin_initial_test/userfiles/file/sezogimepezo.pdf
- https://ckmandarin.com/uploads/61298796540.pdf
- http://tourister.kr/userfiles/file/74539980427.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=it+would+be+nice
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/2fc01d60d8d202d078332e0e4335c029/80888585273.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e175.bin1a367aee5654d456519f296f674b46fbbfb604e89e6f45e90c8287c4333e5102 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE175 | 22044 bytes |
font_01_sfnt_off00012186.bindb4ba96521f224168c87716bf2147dd7f6a7d8926c22dd037a72add38bf33607 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12186 | 10212 bytes |
font_02_sfnt_off0001388c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1388C | 16792 bytes |
font_03_sfnt_off0001509e.binb8b453848843c8527f6b0788d12265d92bffc9da89b3343913629c0a79a3df78 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1509E | 18152 bytes |
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