MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, specifically identified as a phishing trojan. It contains a link farm pointing to multiple compromised WordPress upload directories, suggesting an attempt to host malicious content or redirect users. The PDF's structure and the presence of numerous unknown URLs indicate a phishing or malware 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 http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160abf56eb08cc---61483257299.pdf In PDF document text
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/01cf897030b40c5574c880a6d4e3d3ab/vufawebegitebu.pdfIn PDF document text
- http://acevina.com/webroot/img/files/xiketifo.pdfIn PDF document text
- http://asiancfea.org/userfiles/file/88597719824.pdfIn PDF document text
- https://prokoncept.hu/admin/blogfck/image/file/sibadevonomasidat.pdfIn PDF document text
- https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/k1h8q80k5u9mg53l90lgdqa16d/ponutotumirejiwigobexarip.pdfIn PDF document text
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1fcf034f59---derisobafafabol.pdfIn PDF document text
- http://a-kamen.com/userfiles/file/45592153031.pdfIn PDF document text
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/00ea94f6bb4d163e2668a265ffcaa536/15791783480.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/l37q19c92g4lagrhi3entbhcfe/3912894012.pdfIn PDF document text
- https://www.adilaltinsoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082020ce7b58---52611638972.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7f558267cf---kenotemomiwe.pdfIn PDF document text
- http://musicupclose.com/clients/f/f7/f7c291dfb329fbc33054893077acf627/File/pakukatoxivakip.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e160cbf9a3---nedopib.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/57636133a095a75a00867c6e2fb3f388/12965486869.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/kapaseb.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079b81082272---54620731179.pdfIn PDF document text
- http://thevisionkharj.com/userfiles/files/zewepojisubunipunolofawi.pdfIn PDF document text
- https://kompaspt1.com/contents//files/xosebaturisodibepezef.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/6c6d538c1d7c70c6593aed7b4e4bec5a/69119036219.pdfIn PDF document text
- https://alice-immo.com/userfiles/file/nufimi.pdfIn PDF document text
- http://topenglish.sk/app/webroot/gallery/files/25464177064.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/34906b2f20688a692f252ca1718a5b53/96819606993.pdfIn PDF document text
- http://remobudostol.pl/pliki/sezawomutu.pdfIn PDF document text
- http://ankaser.com/userfiles/file/vibowonerupokujaxiboburaw.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=classification+of+models+in+operations+research+pdfPDF 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_off0001c20c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C20C | 17844 bytes |
SHA-256: b90a30fa617a66d0053dbef68d119059bf98e52ba60cb57bb9576ec541e3781d |
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font_01_sfnt_off0001f11e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F11E | 10916 bytes |
SHA-256: 78c428d73d48ddb98e00a273597d7b4a19256a245e6b7fbe1c199844e96c4f14 |
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font_02_sfnt_off00020a2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20A2E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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