MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm directing to numerous URLs, many hosted on compromised or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The file's structure and URL patterns are consistent with a phishing lure designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://akcjonariusz.com/UserFiles/file/fisosepubikejof.pdf
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/qnafi02vpud5jtfacas0j9mfln/62852127769.pdf
- http://dharmapremipariwar.org/userfiles/file/tabakeve.pdf
- http://billedbutikken.dk/articlefiles/file/58908915068.pdf
- https://honda-otolongan.com/upload/files/93080139965.pdf
- http://marthomaiticherukole.com/userfiles/file/86521803666.pdf
- https://mamo-tato.ro/userfiles/file/96151495857.pdf
- http://nguoigiupviec99.com/webroot/img/files/zetoluzajosajuwobosor.pdf
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16098cae81a486---95103518629.pdf
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/593ce43829f6f8f0f3115a57a19dec6c/gokoxogetogosasuxo.pdf
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160854a9780858---bovuvo.pdf
- https://biblioteka-koneck.pl/ckfinder/userfiles/files/funukamafogatakufupamag.pdf
- https://strategieb2b.com/userfiles/file/fobilazugobisa.pdf
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/5379c37fea1f049506cd0122badc0628/54128385440.pdf
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089b3c020143---50327503520.pdf
- http://appartenvue.net/appart/upload/images/84984187015.pdf
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abe63a44fa3---8508316028.pdf
- https://xn--z4qq44i.tw/upload/actfiles/nujamesobafilamogugimodo.pdf
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0c872f2a36---verujujasuzefilesuked.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bba4570609b---bejokamijotovidatasagaz.pdf
- http://barcelonahotel.vn/UpLoadFile/file/57395788996.pdf
- https://ksuskalology.com/images/file/80995515863.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=justice+brennan+quotes
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/968e846f05d15c1aab32be52e2625659/vipunepeku.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00014ef5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14EF5 | 16792 bytes |
font_01_sfnt_off0001670c.bin7c2fa4deff26cbc4d5239f7bc50844406de293361d83fa23532ee49ec8a93571 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1670C | 10552 bytes |
font_02_sfnt_off00017f4d.binab9ba456b0256fb81f62a6016fe6be87017743b5c5d23896e009ae546bb335b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17F4D | 16580 bytes |
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