MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It functions as a link farm, containing numerous URLs that point to compromised WordPress sites and disposable hosting. These links likely lead to phishing pages or further malware downloads, indicating a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://ngoctraithaibinhduong.com/uploads/news_file/rumokenatulawoxadi.pdf
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092b77910b4a---xowosibuvidowitotadaj.pdf
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/37649476ae1630fb061365d0f984f67c/47402263623.pdf
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b55bc008e4f---75807164960.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f277567029---vuzegemo.pdf
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db78e14a892---tojekajizuwawupipabejiv.pdf
- http://thunderstar.cn/userfiles/file/20210501235010840355179.pdf
- https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b51d7fbd83a---43296399495.pdf
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081c7aa27dad---ronasiw.pdf
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16098a9018ec73---netodoxosijevem.pdf
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/30508fe82e31ec593ddaf375e08a4ad3/goganudedepiwotano.pdf
- https://www.cittadelmiele.it/wp-content/plugins/super-forms/uploads/php/files/aa2e190492426be7aab771f5c2ac4c0f/gowusupajixemolodo.pdf
- http://gingerbreadvillage.org/clients/e/e3/e396b250b60561adcb946853f9f62e29/File/86283334164.pdf
- https://circolodelpistone.ch/userfiles/file/13747789213.pdf
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff62f66b1f---lopimutikir.pdf
- http://location-appartement-venise.com/italie_documents/files/donimexosisosi.pdf
- https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/a31826b4914bf81b30e8a8560f6cb4c8/95135450556.pdf
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160cbd13a27675---zutolunagemuv.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/r4rt3d4bdmlslrmqpne3rh9mo0/41017859557.pdf
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/oluq1a3tfr4v4omlnk4antriu2/78955969378.pdf
- https://x-software.cz/data/file/70395395720.pdf
- https://accesoriosalmayor.com/images/userfiles/file/nogubepirigonemojidokijur.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160818d8fde7e2---dasogaxekijuvugomo.pdf
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff39404fa7---wekajoseledizanukup.pdf
- https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/l6rk8043dcih778dfdes9d3jum/wavisagusarubavomedadak.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=sample+paper+of+mns+exam
- 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_off0000ec7e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC7E | 16792 bytes |
font_01_sfnt_off00010490.bin63a70ce91a2ac584b74c880c2edaa8799105f6ab76f4b158c0d04edac0435ba0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10490 | 16648 bytes |
font_02_sfnt_off00013006.binef6fd2e389f7414e67a48aeb45469aa203efc1975b0e954f0e541b75066d8f5c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13006 | 10508 bytes |
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