MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a link farm pointing to compromised WordPress upload storage and other disposable hosting, suggesting an attempt to distribute malicious content or phish for credentials. The presence of numerous external URIs and a link farm structure strongly suggests the document's primary purpose is to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://ristoranteibucanieri.it/userfiles/files/75609331211.pdf In PDF document text
- http://pvhs1980reunion.com/clients/e/e5/e5e9f74eb83211af097e98bf68d59c4c/File/54175923131.pdfIn PDF document text
- http://kibunajcc.com/ckfinder/userfiles/files/99666100591.pdfIn PDF document text
- https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/9c39d1e10b33a795b0b50c1f0a2a363d/joxemupipesazosumepejet.pdfIn PDF document text
- http://uss100.com/clients/5/56/562308f4da1da23328cfd9e5c9f3e68f/File/38619429428.pdfIn PDF document text
- http://starsunited.at/upload/files/9973343453.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/55976244383.pdfIn PDF document text
- https://jiu-hang.com/upfiles/editor/files/89105646757.pdfIn PDF document text
- http://tiwtactic.com/userfiles/files/gofobe.pdfIn PDF document text
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/aadbc55bb8523cef6e8361c207680c12/mexalifapanidube.pdfIn PDF document text
- http://www.toptehnik.si/images/gajejesokevofurikizu.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/350113957165e70dcfa5fcd8b5c2971c/mufepubepogovokate.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0956f1731---93656352121.pdfIn PDF document text
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16088336885cc6---fukedikoxi.pdfIn PDF document text
- http://www.pactforfamilies.org/ckfinder/userfiles/files/mufigukuvalevumoda.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16082cc6072326---18463610634.pdfIn PDF document text
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/e69b426aa3cbd66d78abc264b3c6c3a6/xukawo.pdfIn PDF document text
- https://blindnow.com/userfiles/file/xasurizu.pdfIn PDF document text
- http://pobierzplik.pl/uploads/files/zumizisebivakiwinuli.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/a87kdflsdiabg55nv8snaht5c4/19685691095.pdfIn PDF document text
- http://barrospizzadb.com/uploads/files/23587092771.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/8d305f1997b8341756a38d12e8d27743/8117826366.pdfIn PDF document text
- http://futuralagoparking.eu/userfiles/files/ruxepinodaxevateketeve.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/5lvd1fecis1g1ec53tmod2d1t3/34101754869.pdfIn PDF document text
- http://4x4autok.hu/userfiles/files/78348647828.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=what+stores+take+affirm+creditPDF 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_off0000dcba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCBA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f4cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4CC | 16408 bytes |
SHA-256: fdf919b07c32acd9153b93f363ffee6c4892731af4bafaf47c5641873cb6c7be |
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font_02_sfnt_off00011f15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F15 | 10676 bytes |
SHA-256: c29e0da8015ae424a4127c9e2fc9ccb604dd4708a2d444e72f7b3f9d479391bb |
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