MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many of which point to compromised CMS upload directories or are part of a link farm on disposable hosting, suggesting an attempt to obscure the final malicious destination. The presence of these links indicates a likely phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://mitchelllawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/49923612715.pdf In PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/e150238aa90138381cdd93336778e5e3/37338614485.pdfIn PDF document text
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a8963ca3f7e---wosobepanova.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1609db962dc6e3---17455159467.pdfIn PDF document text
- https://wroclawmodelshow.pl/ckfinder/userfiles/files/sivuwivutajanewexogezebo.pdfIn PDF document text
- http://demkapi.com/resimler/files/41277207473.pdfIn PDF document text
- http://csc0532.com/userfiles/file/20210724205320_io0ah7.pdfIn PDF document text
- https://c4ir.ae/wp-content/plugins/super-forms/uploads/php/files/pvkvrvqv0k1v4ptmf3i5u52ce4/rawemunogav.pdfIn PDF document text
- http://spalovnachemolak.sk/userfiles/file/jutoxot.pdfIn PDF document text
- http://mbcasc.net/imgs/file/80150164130.pdfIn PDF document text
- http://shield-in.com/userfiles/files/89492157014.pdfIn PDF document text
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16074022956baa---74781857971.pdfIn PDF document text
- http://w-mill.jp/images/file/pubimoguponitunisinidu.pdfIn PDF document text
- https://confidence-ist.com/ckfinder/userfiles/files/867108374.pdfIn PDF document text
- http://maristaslardero.es/userfiles/file/delojokijofotoxitiruj.pdfIn PDF document text
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/09707281ee11a6baafc2d82e071c8b0f/58747671943.pdfIn PDF document text
- http://sbstroy53.ru/img/files/zikikurodikaxije.pdfIn PDF document text
- http://daindnc.com/fckeditor/userfiles/file/mulirevatugudikop.pdfIn PDF document text
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/65b05063a407fb563a880a76ddc72f68/33930631909.pdfIn PDF document text
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/6f08bcfde2768608f2f1fe624e5dca27/93233146679.pdfIn PDF document text
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/863e2a3686e257f9e28786ab8ea54696/67847369243.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/4816b4075cf5bb3a6af7f7dd50e92830/zazedemenogarexawefuxewix.pdfIn PDF document text
- http://auburn-properties.com/userfiles/files/32586824443.pdfIn PDF document text
- http://clairerolo.com/userfiles/file/55784842947.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac419d9e853---fetituxikowilivota.pdfIn PDF document text
- https://gabconstruction.com/ckfinder/userfiles/files/balun.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=addition+and+subtraction+of+fractions+worksheets+with+answersPDF 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_off0000d0c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0C6 | 10924 bytes |
SHA-256: dba51526ea3f869870716d86919185178daa4ffb81dae71e7110320c6e40d695 |
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font_01_sfnt_off0000ea2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA2A | 16776 bytes |
SHA-256: f0922b7e06a6f611770bcfa13d67f6bce7f23b9b1a2f01d2a8d20d52e11376a0 |
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font_02_sfnt_off000115a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115A6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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