MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains a link farm pointing to multiple compromised WordPress sites, suggesting a phishing or redirection attempt. The presence of external URIs and links to potentially compromised CMS upload storage further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7b3e0a1d10---boxobusa.pdf In PDF document text
- http://eprdel.cz/userfiles/file/25393696117.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/6d70417860703278cc0b9fefa84bc77c/36794340492.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/4ju54tpqbe4knetee4gu3s3s0c/90208191350.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abb0a18e75a---68056096758.pdfIn PDF document text
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/e131f335ba6969c12ec2fd0fe9d52222/17265645081.pdfIn PDF document text
- http://staceyasp.com/UserFiles/file/42621500007.pdfIn PDF document text
- http://altinay-law.com/images/file/bekapovenidamapezeb.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/fisunufox.pdfIn PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/a7eccdbaf461b4eab36ccc062a129077/55679680857.pdfIn PDF document text
- http://unioncentralreunion.com/clients/3/3a/3acd25563584ef55397927d4124196c4/File/22401381213.pdfIn PDF document text
- https://alianzatours.com/imagenes/file/53991339734.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a5689900a8---30963366930.pdfIn PDF document text
- https://organicfertilizerproduction.com/d/files/fapegatiguburefisidudod.pdfIn PDF document text
- http://www.niziointerior.pl/upload/file/zatuzumo.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607a02dbee746---majafijapawegibotij.pdfIn PDF document text
- http://kagoshimakojintaxi.com/userfiles/file/keririnikazonoxogaxu.pdfIn PDF document text
- https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/d6293s5pg8idsttgcmg8mftuu3/jotofililefukakapikino.pdfIn PDF document text
- https://parquesanalbertohurtado.cl/ckfinder/userfiles/files/34985908016.pdfIn PDF document text
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160cb614d068f2---rifedijafapuxawuzigiw.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607f64f708bc4---67041770778.pdfIn PDF document text
- http://unicaconsultoriarh.com/images/files/nerazof.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/rgq033k1js57ltvt0tcjvnenng/93639904001.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160eddf52daf40---zujutunofugomadasip.pdfIn PDF document text
- https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/0f099594a05ff7c6dd391cae808b15b0/lulufubu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+thin+out+ends+of+hairPDF link annotation
- 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_off0000f13f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF13F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010956.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10956 | 10584 bytes |
SHA-256: f9b19650ae4f68d658264d24e2b515b6730fff4b6dd07d5f45b256de330d7ee6 |
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font_02_sfnt_off00012179.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12179 | 17416 bytes |
SHA-256: 91f2c1274d708b240f086c930f74df4f88a251a47cfa0b7012a63760c98e6ad3 |
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