MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of links pointing to compromised WordPress sites, indicating it functions as a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The presence of multiple distinct hosts and the use of 'utm_term' parameters in some URLs suggest an attempt to obscure the final destination and potentially track user engagement.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bd13dbb84e5---besuwemu.pdf In PDF document text
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef639dd666---kozaz.pdfIn PDF document text
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/0nkm62qc8gi5e0g7133tcalpa8/34655293166.pdfIn PDF document text
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/e1d5285e8219eae1a8429fcd4d2f020c/50745530846.pdfIn PDF document text
- http://joy05.com/_UploadFile/Images/file/rujomarabesejesulirut.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1611cf69f677b6---91012074646.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/5992c71ff19b070ddea800ffe0f11b21/gatawuzudamoraxewon.pdfIn PDF document text
- https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/c43a95a70b818a4cce5bcc7ab0d05fd1/dasaxutozisusemewapeva.pdfIn PDF document text
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/8k6q2vpa7lqs1qnkkmsna8b3cd/70822777420.pdfIn PDF document text
- https://nanyangtextile.com/userfiles/file/talupezef.pdfIn PDF document text
- https://olterus.org/contents//files/zurutimenanugagejijuje.pdfIn PDF document text
- http://cloverdiamond.com/file/momowefetokoru.pdfIn PDF document text
- http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/modupaba.pdfIn PDF document text
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/678171044ce5be54aeddb5c0870da06b/71739348905.pdfIn PDF document text
- https://cambodiaangkorhomestay.com/userfiles/file/kabotarupajabup.pdfIn PDF document text
- http://atel-j.nl/uploads/files/92698867189.pdfIn PDF document text
- https://ascii.tn/web/cgi/file/4838230532.pdfIn PDF document text
- http://abpaluso.com/upload/file/vosufubaniwoguvagawonipi.pdfIn PDF document text
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad785668d1---duravisepovovukolagazu.pdfIn PDF document text
- http://dietetyka-24.pl/images/files/7586867922.pdfIn PDF document text
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/160bf3ece9529d---9260345150.pdfIn PDF document text
- https://xn--22ck6bdp5cach0mc23a.com/ckfinder/userfiles/files/levap.pdfIn PDF document text
- https://everestart.com/images/stories/file/zimip.pdfIn PDF document text
- http://harperfamilyreunion.net/clients/3/35/3566a42c83b0accea4ba2bdfee5c7976/File/pifovilebax.pdfIn PDF document text
- https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/da036aed8c22b6a4fac57d5a5f75483d/86034569656.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606eaa1d79b3b---78101703951.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=exemplaire+de+rapport+de+fin+de+stage+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_off0000df93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF93 | 10928 bytes |
SHA-256: 31eb6ec838384ada18ff32f5271a9a7eec04fec980c3ca33ac4b169ed50be1d3 |
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font_01_sfnt_off0000f89b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF89B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000110ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110AD | 19056 bytes |
SHA-256: f17655c8c54edadc84c91e9c2025f80ad08a58ca93bd4d4fd4ec14e3efa271c6 |
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