MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains numerous links, many pointing to compromised WordPress sites and disposable hosting, indicating it functions as a link farm. The ML classifier also strongly indicated maliciousness. The primary purpose appears to be directing users to potentially malicious external websites.
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 http://bigsvatcharasith.com/userfiles/file/32501958311.pdf In PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/ih33haml0bvti7175e7j364q1p/19794621031.pdfIn PDF document text
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160894c80bac5d---74339081821.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/54otd8s5e89o9ap4cghe7shus7/33928425882.pdfIn PDF document text
- http://sushrutproctology.org/ckfinder/userfiles/files/kikozo.pdfIn PDF document text
- http://dtcguild.org/clients/80367/File/tulapobubikuwasalizebat.pdfIn PDF document text
- https://milsagliksen.org/upload/ckfinder/files/60302370514.pdfIn PDF document text
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095d82aa1c29---53894493323.pdfIn PDF document text
- http://carszana.com/image/upload/File/kulatif.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160a6cd52f1bda---90838272062.pdfIn PDF document text
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/jgiscc71umg9naopcnku5e1e5k/16567520355.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/daajj8dkgi4mjgq92pmgkfgd7n/nifitazoduzanavafe.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a9ab6929a2c---2127096739.pdfIn PDF document text
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/16097ceef4bdb5---48255164639.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aea9fe9cca---66241926498.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/6tknjke0cq59ab9qg2vqmvrake/kibodunevulima.pdfIn PDF document text
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/ch1t700o0mgffa123u3h0g208g/80776779253.pdfIn PDF document text
- http://phdpecs.hu/userfiles/files/zasexuvajox.pdfIn PDF document text
- http://textingrights.com/userfiles/files/32451484665.pdfIn PDF document text
- http://akinmedikal.com/uploads/file/pavuwikez.pdfIn PDF document text
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/16081356e2aa0d---sexolidemuromaduzew.pdfIn PDF document text
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/a0sjuu8bk2r2mhq9iqlo2pkhq7/673049446.pdfIn PDF document text
- https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/20df18b9e1d86809fc12ee46ae853f38/46418786337.pdfIn PDF document text
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/eeb638a6ad22192ba73d9bfd54e3b353/jaxukexopuxesuwitenubag.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1609ab3eac0915---9570284682.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1606f66b966d0f---luzusazozo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=peeing+out+blood+clotsPDF 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_off0000f8a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8A6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000110b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110B8 | 16416 bytes |
SHA-256: 648227d9a02c74e4521cbcb9a781a4862817d4cddee21737a49614b00137b961 |
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font_02_sfnt_off00013b39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B39 | 10524 bytes |
SHA-256: d9d9e3a2d782ad93a9595102ba57f41d620ffcea5a3f120f3ea28731672e9990 |
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