MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites utilizing formcraft or super-forms plugins for file uploads. These links likely serve as a lure to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609900a069af0---vedonasibunuzonu.pdf In PDF document text
- http://tragiaocolamsapa.com/userfiles/image/file/55572244073.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fde2ad7c8c---28918580432.pdfIn PDF document text
- https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/d336f0a2d0f145eaebfe9f491ef5204b/76049083495.pdfIn PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609b4483ba680---zutes.pdfIn PDF document text
- http://dwhs79.com/clients/15834/File/dipefezikokokarituta.pdfIn PDF document text
- https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/500d400ac3fec7e3a7a9cb0793f839a5/dubakigi.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/111f1c8a2f4510f16fc3d7105eed3937/65326335052.pdfIn PDF document text
- https://ahl2005.com/ckfinder/userfiles/files/gekomeluduxipuwofu.pdfIn PDF document text
- https://xn--interpeas-r6a.es/upload/files/jazupurerameterapar.pdfIn PDF document text
- https://innotek.vn/uploads/news_file/midasopileniwo.pdfIn PDF document text
- http://thingsantiquesla.com/userfiles/files/jasuvewixevinirekib.pdfIn PDF document text
- http://drthchowdary.net/userfiles/file/xuwetin.pdfIn PDF document text
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1609712437c415---bupemirefariwinelamopax.pdfIn PDF document text
- http://elitvorota.ru/f/file/10558096318.pdfIn PDF document text
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7a94fc4d69---lokavijubilig.pdfIn PDF document text
- http://alessandrobelleseveterinario.eu/userfiles/files/kukajixixubegiporutar.pdfIn PDF document text
- http://grgct.com/ckfinder/userfiles/files/94157122250.pdfIn PDF document text
- http://fobosgrunt.ru/files/ckfinder/files/89779096.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16070cddcf3250---suvevufexuposusiw.pdfIn PDF document text
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607d19dea2234---44505855461.pdfIn PDF document text
- http://bilcafe.it/userfiles/file/tatumipeg.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=what+is+heterogenous+and+homogenous+mixturePDF link annotation
- 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_off0000ddce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDCE | 16968 bytes |
SHA-256: 9b607cfbfb118aa1ca43387b2962e173036f3e2aaba44c9456bebbdfc5bb2df4 |
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font_01_sfnt_off000109c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109C7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000121de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121DE | 10844 bytes |
SHA-256: 66750806ebc35d2b17e4e978431e5da109c5610d34233abef12100ef25d6d9c3 |
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