MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. No scripts were extracted, but the presence of numerous external URLs, many hosted on potentially compromised sites, strongly supports a malicious campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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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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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://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/ce731458ea32071f54dfb9430f4c7074/11085715750.pdf In PDF document text
- https://www.aukuras.org/ckfinder/userfiles/files/32117862897.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/1c6efd41c07cc78b722ba78f28363b7f/pelobuxe.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160b8e591c73cc---wedizuzurafononagifel.pdfIn PDF document text
- http://narnivet.com/userfiles/files/37244341000.pdfIn PDF document text
- https://itexpertdog.com/upload/files/14505853979.pdfIn PDF document text
- https://congchung7.com/upload/file/pureratabetonuna.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608149b7cbdd1---wekiwirizuwuxe.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/u7b3v01clq1854r63v38f1jtns/kapexetu.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607fef98c268f---libukifaboxijarovofu.pdfIn PDF document text
- http://prestinoequitacion.com/imagenes/upload/files/javuvalovonaguwewafuvujex.pdfIn PDF document text
- http://entiambalaj.com/upload/file/nomupowuwubiz.pdfIn PDF document text
- http://imhyuk.com/imhyukeditor/userfile/file/81230591348.pdfIn PDF document text
- https://hanahana.vn/media/ftp/file/dizitamedu.pdfIn PDF document text
- https://toptenstudy.com/upload/files/BodyFile__60BCC67111C8C.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/16fe9fa1de9622ec9ff143e70b05cb73/povaz.pdfIn PDF document text
- http://iproperty.ae/userfiles/file/83183828906.pdfIn PDF document text
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d17b6f3cee---surunitamideniwaj.pdfIn PDF document text
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/74fcb7cb7ca4094246992ad20baba8c2/bixubuxadinuliluvo.pdfIn PDF document text
- http://llux.vn/uploads/files/kuleworojunexovopozo.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16109f34c63979---xamejufu.pdfIn PDF document text
- https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/0g72tmcdo2h1pt9aacedq1tfd1/dofoxufonekelegotad.pdfIn PDF document text
- https://toananhmedical.com/uploads/files/61666300340.pdfIn PDF document text
- http://usagimatur.com/files/others/kuzamulabutedetajo.pdfIn PDF document text
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c84fefd1fcf---babesenodib.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=is+the+movie+after+we+collided+going+to+be+on+netflixPDF 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_off0000f963.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF963 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011175.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11175 | 18064 bytes |
SHA-256: 427da78467e1da287485d7a2f6d2e3ceeb89eeac79d07a8a536e170b89c2b066 |
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font_02_sfnt_off000140f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x140F6 | 11268 bytes |
SHA-256: 55a98e6a22d03fefccee948f103f8962f553b31486ea5bf329d70d4f0c34f621 |
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