MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal a significant number of embedded URLs pointing to compromised CMS upload storage and disposable hosting, suggesting a link farm designed to distribute malware or conduct phishing. The presence of PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM heuristics strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9092
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://irlanc.ru/uplcv?utm_term=el+principito+2015+pelicula+completa+en+espa%C3%B1ol+latino+online+gratis PDF link annotation
- http://chobacgiang.net/webroot/img/files/badorikoninimesuvikifidu.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/161032bc8b0915---tatekasuwoluke.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/cf273798bcb38bdbac0adc5bfbc0ae5b/63451203493.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160fb0b3dd2b42---puvimefeduvawelerew.pdfIn PDF document text
- https://securitydm.rs/slicice/file/54905460996.pdfIn PDF document text
- http://homespakistan.net/magzine/uploadfiles/file/xadofe.pdfIn PDF document text
- http://abwrichmond.com/uploads/files/12021052681.pdfIn PDF document text
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/cbecc4a825ded228ecbfa9deaf4885cd/8107987299.pdfIn PDF document text
- https://unitytradecapital.com/ckfinder/userfiles/files/wibivuvitegifusa.pdfIn PDF document text
- https://pakistanchristiancongress.org/userfiles/file/69478737429.pdfIn PDF document text
- https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/3ffd7249ddaeeae2cccad0a6996f0c38/16303635189.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160897ae3ee38d---dareje.pdfIn PDF document text
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fae311a742---53619463072.pdfIn PDF document text
- https://www.esfa.bg/root/ckfinder/userfiles/files/xabegaro.pdfIn PDF document text
- https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/decafbbd4b2818179b38b884e422dccf/91960312573.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/rnn0qkrenalr29n9hk9ct2kld6/fuloxopawajimekarerukejej.pdfIn PDF document text
- http://firewheels.pe/userfiles/file/20862676701.pdfIn PDF document text
- https://kham.vn/userfiles/file/64862951693.pdfIn PDF document text
- http://jplus-ag.com/upload/files/BodyFile__60D1A14E9B33E.pdfIn PDF document text
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/fb00135299466fc3094ef3f6a0f1ee1f/85049577418.pdfIn PDF document text
- https://arte-salon.ru/upload_picture/23299438382.pdfIn PDF document text
- http://afgventuregroup.com/cfiles/file/74529383189.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_off000108a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108A0 | 11436 bytes |
SHA-256: 9d44354ba7656d33cae55ab5683cf50d1643f6cc05a8165027403f889e7fddb0 |
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font_01_sfnt_off0001237c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1237C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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