MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm pointing to multiple compromised WordPress sites, likely intended to lure users to malicious content. Heuristics indicate it's a link farm on disposable hosting and specifically flags it as a phishing trojan. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074115ba13c7---forurixazuxu.pdf
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc6b746116---lurikadufiranukozeretat.pdf
- http://ibiforstarlight.org/clients/3/3c/3cfcca4e360ca8807b7dd7d6e7cbeae0/File/zenopotedigikon.pdf
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b345af4dd6e---71312357691.pdf
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb429ad596---keralobobovaxolurajozedoj.pdf
- https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/9cdde57781a346143e58b047b1332c28/87414018263.pdf
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b0a53d2f2b9---dewopasonirovikib.pdf
- https://menlopark.com/wysiwygfiles/file/37818274124.pdf
- https://www.prestigeautobody.com.au/wp-content/plugins/super-forms/uploads/php/files/b1e609f7fe5ef08eae4b89b44eaa22a9/karapawowepat.pdf
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/b42f8b83ca6fb7309c6aaeea0a43e459/bamum.pdf
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160760f576e7b3---belevafakimubosakokogab.pdf
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/qvs3q080c0r50g5rg8mt6gbvja/62169096630.pdf
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7acdf347ce9164faa9253d9a3bc9d03f/xinetuzobe.pdf
- http://coumert.com/images/file/juratiwodugekum.pdf
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/250400d82cfff538dc43d00f689751a9/1581813508.pdf
- http://jjinline.org/file_upload/file/43609890118.pdf
- http://qytbearing.com/upfile/file/65498224538.pdf
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160730013f1e4a---42625816631.pdf
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c74ec875277---51403515553.pdf
- http://www.buildingmalawi.com/images/uploaded/documents/lulasozipuxodujit.pdf
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/3e17812634e5145df0bcfe823e9c7aa8/nikorabitikomad.pdf
- https://isleo.com/i_photos/file/24669185002.pdf
- http://absolutelyneon.com/userfiles/file/1302142794.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=how+to+take+an+aesthetic+picture
- 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_off0000ec6a.bin2341fd6891fd7b24c258c33ba433886bded6c3c0bb7aae55e5b8fb1e551e365a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC6A | 17640 bytes |
font_01_sfnt_off00011a4e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A4E | 16792 bytes |
font_02_sfnt_off00013265.binbeafd76b480ba77ad90e5d60e6af5a3da8b4e0de264d00e13a1d1b71d563c39d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13265 | 10692 bytes |
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