MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV and an ML classifier as malicious, with heuristics indicating it functions as a link farm. Multiple URLs were extracted, pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. Although no executable scripts were found, the structure and URL patterns are indicative of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9746
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://strandedtattoo.net/file/gabajavonaxipetafepe.pdf
- http://ausafe.net/images/art/files/87617259868.pdf
- http://finpacecuador.com/userfiles/file/jelanus.pdf
- http://aarogyamedico.com/userfiles/file/50616221707.pdf
- http://onlineexpert.in/userfiles/file/sajebolajobobevine.pdf
- http://msamerica.net/clients/873634/File/didofuzubekod.pdf
- http://anshan56.cn/userfiles/file/16260995471839942587.pdf
- http://gancza.pl/userfiles/file/18983816128.pdf
- http://beloezoloto.ru/userfiles/file/86525759148.pdf
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16083e59a97e1d---kigugerusoxef.pdf
- http://ramenzoni.eu/userfiles/files/furadatijujevibumiwadep.pdf
- https://eatorhours.org/e-bussiness/fckimages/file/96125602551.pdf
- http://adance0112.com/upfile/editor/file/dadudekepus.pdf
- https://rocksoliddesigns.biz/userfiles/file/pudikosegekulewuxudon.pdf
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606f409a6a61b---buziweva.pdf
- https://transport-vehicules.fr/userfiles/file/zegokefavofe.pdf
- https://watfordfairtrade.org/app/webroot/img/files/14126481136.pdf
- http://doubletroubels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad8a9b113d---73367458567.pdf
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/16082139bd067f---wolawegomelo.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce1f954585---67651501930.pdf
- https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/48829cf43ef67a59b600fc60de265589/teduwowidevetukufiz.pdf
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d6cef81d773---tudafefuzipedogab.pdf
- http://summithigh75.com/clients/867147/File/lekuwete.pdf
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d047657b58---zodufopazagakon.pdf
- https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/c5488a3da95a9025e7adf18317402547/30486024769.pdf
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160982ea6d137a---22675913850.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=i+love+you+april+fool+sms
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fbbe.binae1a34caed41a2936b7ece1a06d1359488c9c27457b5be9ce91e4d6a7e093b6d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBBE | 17956 bytes |
font_01_sfnt_off00012ad1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AD1 | 16792 bytes |
font_02_sfnt_off000142e8.binbe63660d2c48c5e489af1d4c711fdb7154cd6af4869e22bf1eef55c5df96e2c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142E8 | 10548 bytes |
font_03_sfnt_off00015afe.bin0bba99de2bc9648b9dfdb6515acbfda48f8a2f91904e7407b1532f2d66b5973b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15AFE | 18172 bytes |
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