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. It contains a link farm pointing to compromised WordPress uploads and other disposable hosting, suggesting an attempt to distribute malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt, likely leveraging a spearphishing attachment vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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 http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/681b4e6737f532c8a3b88f57b1c20905/8403863984.pdf In PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c4c92db15f---84243514528.pdfIn PDF document text
- https://madeinstlucia.com/userfiles/files/jokisakabisaru.pdfIn PDF document text
- https://cs-nippon-cp.com/mailmagazine/upload/files/70324417637.pdfIn PDF document text
- https://samarthanamparisara.org/apadmin/uploads/userfiles/files/jesusevoxotix.pdfIn PDF document text
- http://aromacosmetics.bg/assets/userfiles/file/26861418268.pdfIn PDF document text
- http://pokwuttibut.com/file_media/file_image/file/44278324485.pdfIn PDF document text
- http://humidorio.de/ckfinder/userfiles/files/migilumepevesikubigiva.pdfIn PDF document text
- https://wintechindia.in/ckfinder/userfiles/files/naxakidifitewekaboviwur.pdfIn PDF document text
- http://napiarsaigh.com/images/guwapodagamaweluxu.pdfIn PDF document text
- http://brmxn.com/userfiles/file/20210901080100_ke4h00.pdfIn PDF document text
- https://bandotrading.it/uploads/file/74830832859.pdfIn PDF document text
- http://a1-automotivegroup.com/upload/files/sugagojoxetolamet.pdfIn PDF document text
- https://navliecky.net/userfiles/file/22299935326.pdfIn PDF document text
- http://osmed.cz/app/webroot/files/files/pifijodo.pdfIn PDF document text
- http://moiarchitekci.pl/pliki/file/17413159239.pdfIn PDF document text
- https://limadelimon.com/images/file/97902206736.pdfIn PDF document text
- https://briljant-maleri.se/UserFiles/files/18298635153.pdfIn PDF document text
- http://ptktent.ru/userfiles/file/1290778885.pdfIn PDF document text
- http://vattuxaydunghl.com/userfiles/file/33101383075.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc58d346c3---43177034821.pdfIn PDF document text
- https://raljob.com/userfiles/file/24665867630.pdfIn PDF document text
- http://www.skk.com.hk/admin/ckfinder/userfiles/files/76796843786.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161328e426e5fc---8089059414.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=download+final+fantasy+tactics+androidPDF 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_off00010ad9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AD9 | 21636 bytes |
SHA-256: b1557a418e8e415d18fea2fb01d96054d6f7ea1970bb88f625c5b5b60d84eda1 |
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font_01_sfnt_off00014455.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14455 | 10540 bytes |
SHA-256: db7dd4b7e82bcafb2a13e88776fbabb6556870c3e04bb7caff1e2477a38f4095 |
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font_02_sfnt_off00015c8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15C8A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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