MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The ML classifier strongly indicated maliciousness, and the presence of embedded URLs and link farm heuristics points towards a phishing or scam attempt. No scripts were extracted, but the overall structure and URL distribution are indicative of a malicious document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 5
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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.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607495839ec8b---44007052174.pdf In PDF document text
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16077d4e11475c---60079199434.pdfIn PDF document text
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/46b6ef0c2bcbaf3756b61cfebed4e5ac/29511829903.pdfIn PDF document text
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/f7107e65a88f8a8be105655c365984b6/jolipowo.pdfIn PDF document text
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/160abd6677d381---lobetokubageroxuwu.pdfIn PDF document text
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/c430091c78be520132f60f918757fa57/81307874090.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/1p7r5mpoqg4p74l54ekkff4t2u/fokekoka.pdfIn PDF document text
- http://lasfyy.com/uploadfile/file/20210621065026801.pdfIn PDF document text
- http://nitexprofi.cz/userfiles/file/73940277979.pdfIn PDF document text
- https://maisonforville.be/documents/file/47482197022.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/lgcvtd8h5oqupn21095795j263/73472991017.pdfIn PDF document text
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084d1b81a0a0---67932381443.pdfIn PDF document text
- http://luchetti.it/userfiles/files/15280755771.pdfIn PDF document text
- https://majubesar.info/contents//files/42269297565.pdfIn PDF document text
- http://samuiluxurytravel.com/Uploads/file/xuneripur.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff78b4204e---6521325310.pdfIn PDF document text
- http://tuzvedo.hu/elemek/file/88949624001.pdfIn PDF document text
- http://vasvaripalmuzeum.hu/upload/file/15552153156.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/e020cc825e16592a8eb07aa4a335d9ba/meniziximufalakifubokoveg.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/bg5kua2qbsd00tsf9ptg73ohq2/45931961980.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/dac4fdeefc20e1056285a4e78d7178fe/tepenafatufat.pdfIn PDF document text
- http://jjinline.org/file_upload/file/nobizotojipifop.pdfIn PDF document text
- http://rocb-ap.org/file_media/file_image/file/gesidevozesabupipogulat.pdfIn PDF document text
- http://polimak.pl/userfiles/file/jojakepop.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=business+research+sample+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_off0000f127.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF127 | 16160 bytes |
SHA-256: 88ab7a0f0135fbc4a63529755a7e8cdbee9b71bbdb8dd67ccc460434f7b3e4ee |
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font_01_sfnt_off00011aa2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AA2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000132b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132B9 | 10820 bytes |
SHA-256: e676b408308598a78fb8da889df07aceea357db06aad4cde80710ad98864d69e |
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