MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically identified as a phishing trojan. Heuristics indicate the document functions as a link farm, directing users to multiple potentially compromised or disposable hosting sites. While no scripts were explicitly extracted, the nature of PDF-based malicious content often involves embedded JavaScript for redirection or exploitation, hence the inclusion of T1059.007.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://njchemland.com/upload/files/86424174842.pdf
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161453973177be---27475173052.pdf
- https://samuelben-horin.com/userfiles/file/kipopox.pdf
- https://dehayemek.net/upload/ckfinder/files/pojagiz.pdf
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613e014376f91---62676846246.pdf
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/sopumipefomezen.pdf
- https://ropaalmayoreo.com/images/userfiles/file/zofufuboveg.pdf
- https://lochoanggia.com/upload/files/93328154429.pdf
- https://alharithiforcameras.com/ckfinder/userfiles/files/91957937290.pdf
- http://assotechne.eu/userfiles/files/nazulokapovijilokivoramo.pdf
- http://watdoenwevandaag.nl/upload/lobotikuxokesagezipigus.pdf
- https://bbpartner.cz/userfiles/file/10191610216.pdf
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/bvkhom7gp58opop09kghtm1v9l/dizosugalukotafakijap.pdf
- https://drakbera.com/ckeditor/ckfinder/userfiles/files/kujuwokifalaguxotiletatuw.pdf
- http://bscsaoner.in/ckfinder/userfiles/files/vagozadiruretigowut.pdf
- https://vkgnassociates.com/dayafter/uploadimages/newsimages/file/92461222441.pdf
- http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/48873271321.pdf
- http://xn--12cm8caae5d9a0a0a1dxk6dd.com/user_img/files/76657191301.pdf
- https://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/73721261835.pdf
- https://ladymamashop.com/uploads/files/202109041122555578.pdf
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a0c1d55523---21611649470.pdf
- http://historico.uts.edu.co/portal/app/ckfinder/userfiles/files/rumujuli.pdf
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/161380fba7e88e---loxomosawosodifoxili.pdf
- https://viettrungson.com/media/Files/62454361893.pdf
- http://veganogle.es/uploads/ckfinder/files/82907170987.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=kny+live+wallpaper
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ce45.binc4c4ea3988f5d1d06e37b6eb7b0b9e964a884ff34ece6b56d14df30c20448a7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE45 | 17936 bytes |
font_01_sfnt_off0000fd73.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD73 | 16792 bytes |
font_02_sfnt_off0001158a.binfe7770f37238cf012dae53f79df26e07729528ac25458b93990d6650816988da |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1158A | 10116 bytes |
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