MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, presenting numerous URLs that likely lead to further malicious content or downloads. The presence of a 'download button' heuristic further supports the lure-based nature of this document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://ofertaromania.ro/ckfinder/userfiles/files/gisasinujifoduzobubejat.pdf
- https://dhins.com/testingsites/advantage_aviation/assets/media/file/pamafomufamewivode.pdf
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/1b9b653fdd294eac63307aa7a5bea38f/90358906017.pdf
- http://www.zywawiara.pl/pliki/44317386497.pdf
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/ddd25860b395ba6eff37b088bd50749d/59575180671.pdf
- http://lamarchesainterita.be/lamarchesainterita/imgdb/news/files/majitovebamavopuviv.pdf
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613c5e781f8b0---22077297271.pdf
- http://conomiya.com/images/uploadedimages/file/xonitubopaduj.pdf
- http://perila-vrn.ru/userfiles/file/80056935326.pdf
- http://sinice-rasy.cz/files/file/mavajibuwutagedu.pdf
- http://holmeslawfirm-iowa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xupimusajafabevi.pdf
- http://rklatex.com/userfiles/file/50648297452.pdf
- http://chipublichouse.com/ckfinder/userfiles/files/kagikatubigugumurose.pdf
- http://halongbaycruises.org/upload/files/gukat.pdf
- http://nhagiatxanh.com/public/default/ckeditor/files/xanuvatebonijutizewupig.pdf
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/f1c0c149abebd4ab1805e0af467e4aee/roradejewagud.pdf
- http://podarox.ru/public/files/zinisixeje.pdf
- http://vietsaovang.com/uploads/userfiles/file/fudomujasetatobilowoxa.pdf
- https://barcelonacentremedic.cat/files/galeria/files/18100634789.pdf
- http://missteenqueenuk.com/userfiles/file/58932751156.pdf
- http://www.tramag.pl/upload/file/10692000565.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=snooker+apk+mod
- 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_off0000daf1.bin78e61079c21a1afba08177acf668d8ac7d0c15c7467f62691518d7e5e5bb7b9c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAF1 | 17644 bytes |
font_01_sfnt_off00010952.bin954ee7ed64cee81f2b421b1bd97adb4a51152da5fd2f021673872e81f7bd71d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10952 | 10316 bytes |
font_02_sfnt_off0001208a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1208A | 16792 bytes |
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