MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs that point to compromised websites, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest this PDF is malicious, likely serving as a lure for phishing or malware delivery. The presence of multiple compromised CMS upload links further supports the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.6776
Heuristics 5
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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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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://krisoc.ru/uplcv?utm_term=passion+twist+with+crochet+needle PDF link annotation
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf9375c8ff1---vukageredudazofek.pdfIn PDF document text
- https://kodcomputers.ro/2664/uploads/48617712186.pdfIn PDF document text
- http://originalcheck.it/public/img_admin/file///56253158287.pdfIn PDF document text
- https://alice-immo.com/userfiles/file/fujawidedibudunebudatoku.pdfIn PDF document text
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/fc6b461a0957ed51a16a748f93c47089/77172802703.pdfIn PDF document text
- https://webupdate.ca/wp-content/plugins/super-forms/uploads/php/files/4hv376emf9ka8qnlgspp4f9afm/vitadezijorisanuxifamu.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/40b91b5634deddfa8cc3648e494c1f9c/7795041993.pdfIn PDF document text
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/0a43501efba48a5151868ca5fdc42724/57489412295.pdfIn PDF document text
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/icpvpr41ufvecnumqk5mis8rl0/renavaziker.pdfIn PDF document text
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/68c8d056af0ee133820bd4006862baf7/24529704856.pdfIn PDF document text
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/3571073302f6fbcc5f04dec1a1cebbd3/fatininesoletoxuronid.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4e89d6f0a4a70e6eadf38e65d5b51dfe/84406944366.pdfIn PDF document text
- http://mauchlineware.com/html/chapelstreet/web/userfiles/files/nadexivofejemuna.pdfIn PDF document text
- https://leo-translate.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607374c64d3d8---giwevasat.pdfIn PDF document text
- https://doellefjelde-mussemarked.dk/images/newsmail/file/57491070961.pdfIn PDF document text
- https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/ec1fb463ad73e7fd12aa3fa97fd20205/99161240185.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070d0a124e78---lejunawixedofiwenozunes.pdfIn PDF document text
- http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160b1865649544---3977862126.pdfIn PDF document text
- http://gaongonmaiphuong.vn/webroot/img/files/latosetel.pdfIn PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/98o9k2elepqi4p9ili6ppnoh9p/56008737924.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b997b1c2b78---kagixikabamaviro.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5c1caa6e25---93755014372.pdfIn PDF document text
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/a9ecc0ad60ad1347719a2119bdbd0499/mokexibufuxuzozowezubo.pdfIn PDF document text
- http://innotec-industrie.be/userfiles/file/zodumi.pdfIn PDF document text
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096485e63993---xubotev.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c7a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7A9 | 16732 bytes |
SHA-256: df669f4552dacaf3aea41874b7abd0d9480395eba69fe370879d7f5e1e09a14a |
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font_01_sfnt_off0000f32a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF32A | 1668 bytes |
SHA-256: 0a4af374cb035e676210909e4790276a619635896d879aefac6ffd5912e9aefa |
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