MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple external URLs, some hosted on compromised CMS platforms. The presence of numerous URLs, including those with 'utm_term' parameters, suggests an attempt to lure users through deceptive links, potentially for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://synerhu.ru/uplcv?utm_term=how+to+facetime+from+android+to+apple PDF link annotation
- https://tsydesign.com/userfiles/jws/files/78907226235.pdfIn PDF document text
- http://www.jucadent.es/ckfinder/userfiles/files/58119719978.pdfIn PDF document text
- http://hoteldazegliotorino.com/userfiles/files/ravawale.pdfIn PDF document text
- https://jairdefreitas.com/ckfinder/userfiles/files/gaverurexi.pdfIn PDF document text
- https://mimpishio1.com/contents/files/7008567950.pdfIn PDF document text
- https://vasantviharproperties.com/userfiles/file/zubotezowuxuloke.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/4f40127e81772cbad5f10cf4f0939c45/67472094968.pdfIn PDF document text
- https://alev.az/userfiles/file/16021837831.pdfIn PDF document text
- http://haciogullari.com/depo/sayfaresim/file/rukubojidalimonafilebege.pdfIn PDF document text
- https://njshore.drinkpoint.com/uploads/files/mibasimubewikakoxewevos.pdfIn PDF document text
- http://www.coverseg.com/uploads/ckfinder/files/20478635245.pdfIn PDF document text
- http://ifa-astrologie.de/userfiles/file/bitugifi.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/c83nvpi8r2n82f608u7q6okqi0/xefukir.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614d3d747313f---22468228553.pdfIn PDF document text
- https://www.truck-transport.com/ckfinder/userfiles/files/vegabekopudi.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161427cb5f17e1---6159402412.pdfIn PDF document text
- http://dylogistics.com/userData/board/file/gilinezame.pdfIn PDF document text
- http://rlponder.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lewavejubipibopodoro.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131f9b329889---jopazewajowipozafa.pdfIn PDF document text
- https://worldpigment.com/image/upload/File/11552898587.pdfIn PDF document text
- http://hotel-gerard-dalsace.com/upload/document/pokijozaxomuxevasej.pdfIn PDF document text
- http://webbyshoe.com/fckeditor/userfiles/file/35390465422.pdfIn PDF document text
- https://tselectromechanical.com/uploads/CKfiles/files/manuxixawesowem.pdfIn PDF document text
- https://gilbertems.com/videos/file/ruduboxavij.pdfIn PDF document text
- 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_off0000b21d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB21D | 15420 bytes |
SHA-256: 38abe04ac7b3ea336381b661494b27a53a917cc4a8eb3cb77fda1cda72a8c061 |
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font_01_sfnt_off0000d904.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD904 | 10688 bytes |
SHA-256: 83fd58a53448083de70a9f99eb9c9a791b078f69bb3a1c65a73d159da8fb62f3 |
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font_02_sfnt_off0000f17d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF17D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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