MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for delivering malicious content. Heuristics indicate it is a link farm pointing to compromised websites and disposable hosting, likely intended to host phishing pages or further malware. ClamAV detection as 'Pdf.Phishing.Trojan' strongly supports a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 http://ziconiavip.com/uploadfck/file/guxuk.pdf In PDF document text
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/44184f7a805accdf568239c2c0b884df/pixiti.pdfIn PDF document text
- https://kristinanamaste.eu/files/1016094834.pdfIn PDF document text
- https://healthmatters.me/userfiles/file/serunesigefeziteliwarenu.pdfIn PDF document text
- http://truhlarstvisollner.cz/data/file/63250582491.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/ba252f1ef0f0d884ce583b29d278ed37/nikezudavoxi.pdfIn PDF document text
- http://sincaremedicaltour.com/js/upload/nelavijevikalivi.pdfIn PDF document text
- http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fabe7193ab---63784576207.pdfIn PDF document text
- http://barcabianca.eu/upload/file/16756807936.pdfIn PDF document text
- https://www.alarisusallc.com/wp-content/plugins/super-forms/uploads/php/files/68647b308fdecb685654ded4f3d91fec/zikuzemijasibiditelot.pdfIn PDF document text
- https://icrs-as.com/userfiles/file/55099099504.pdfIn PDF document text
- https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/6b4bd47919ee0ab6fe4afa227d50f219/veruroti.pdfIn PDF document text
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/d2e5b95f28652d0d422b53d09b034748/67094991561.pdfIn PDF document text
- http://masan315.net/board/imagefile/file/41427857068.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160876db271dbc---16443082199.pdfIn PDF document text
- https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/41b5153231a0f8b2f6167372ed5766bf/38980377806.pdfIn PDF document text
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/bc2e69dedd4a1dcccc5accff74431e2b/kimipanoruxozopilumokusod.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079b81737e28---vumenunuxiwirepef.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607a221b4871a---tajulazuwoxoxopefozeg.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/hij3ctajagsa4sboitp6k42ljj/88432624664.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/18735958329.pdfIn PDF document text
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160778d7519407---13784127334.pdfIn PDF document text
- https://listapp.in/ci/userfiles/files/niwiziwukunewodavije.pdfIn PDF document text
- http://caigeshi.com/uploadfile/file/2021060412291273499.pdfIn PDF document text
- https://guclupin.com/calisma2/files/uploads/pibur.pdfIn PDF document text
- http://jornalespacoaberto.com/app/webroot/datafiles/editor/files/533740832.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=multiculturalismo+e+educa%C3%A7%C3%A3o+pdfPDF 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_off0000daec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAEC | 20092 bytes |
SHA-256: 2202e76d3e17b63772a996cc49bc5f240c69652be8d74c2e79fcc96b2c9250bd |
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font_01_sfnt_off00010cf2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CF2 | 11232 bytes |
SHA-256: 67cbe101c863d8922ac0581f06bdefa629aea7e518c4da6a79e7b871827d019f |
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font_02_sfnt_off00012696.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12696 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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