MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and disposable hosting. These links likely serve as a distribution mechanism for phishing or malware, leveraging the PDF as an initial lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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 https://cructi.ru/uplcv?utm_term=made+of+wool PDF link annotation
- http://rjt1.org/upload/files/92647740466.pdfIn PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/9424c9d9a790e53b548be21d88bde2fc/mazufesi.pdfIn PDF document text
- http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3510c3ab43---92811868465.pdfIn PDF document text
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/dda637133f16bd6318f582b5c8c63bdf/mibomixegavowipudavaja.pdfIn PDF document text
- https://ancoraeducacion.com/images/39272179052.pdfIn PDF document text
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160dbd17ac941c---51492504182.pdfIn PDF document text
- http://fitnessklub-impuls.pl/uploads/assets/file/limojesewofijujukagoruvon.pdfIn PDF document text
- https://catwalkdogcome.com/editor_upload_image/file/livegoxejun.pdfIn PDF document text
- https://aimhc.com/userfiles/file/70669581137.pdfIn PDF document text
- http://berallebags.com/UploadFiles/FCKeditor/20210606120338.pdfIn PDF document text
- https://leo-translate.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16078b5473153d---24607134647.pdfIn PDF document text
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/ff14eec4ca4d1b87f9cc58041d753f04/52561460586.pdfIn PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/62fraokn1uort40m6ak5sgfj26/36092311033.pdfIn PDF document text
- http://iwaandccareunion.com/clients/57137/File/monukobaza.pdfIn PDF document text
- http://ncabhsa.com/clients/875427/File/11046223947.pdfIn PDF document text
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/f6gnuoqtou8hsp771s1fcqjv58/80223492729.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1cfe036b11f6799b3b90dd570d1d22a9/79855520894.pdfIn PDF document text
- http://munsusa.org/userfiles/file/20210519001346.pdfIn PDF document text
- http://xdata.pl/app/webroot/img/ckf/files/77648990292.pdfIn PDF document text
- http://sahamit.net/userfiles/file/19601306562.pdfIn PDF document text
- http://driscollandgibson.com/images/edit_images/file/14183907369.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093a9637314b---muxifunoxuvaxasubijutag.pdfIn PDF document text
- http://cartopack.com/Images/file/nimuku.pdfIn PDF document text
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ca05f59aa6a---motepedufegofexamomebub.pdfIn PDF document text
- http://asbazainville.org/userfiles/file/57879245724.pdfIn PDF document text
- https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/71b150da58088c71eb8837ad72d92943/xevaxolelotoduzejamebe.pdfIn PDF document text
- https://nicosiacaffe.it/file/11724113134.pdfIn PDF document text
- 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_off0000efa2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFA2 | 16240 bytes |
SHA-256: c4e1ab616ac963ad8b7881047a15e06a3ec0025df18dc9b0b844052fb86d6570 |
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font_01_sfnt_off0001195b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1195B | 9864 bytes |
SHA-256: 4e916d61e6732b6ccdb91a9d77deb61ba5fa54bec7715b713a79bdf7f73e976a |
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font_02_sfnt_off00012f41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F41 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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