MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS upload storage and disposable hosting. The embedded URLs suggest an attempt to direct users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://buergerforum-tirol.at/file/41397134429.pdf
- http://sendedianqi.com/upload_fck/file/2021-6-21/20210621152917673053.pdf
- http://www.alfapilates.pl/upload/file/vamiwuziganuvetozobiged.pdf
- http://galsabino.it/userfiles/files/wusalibamijeguvun.pdf
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160f5f4bfa1fe9---5807150860.pdf
- https://baongochoa.com/upload/file/fabus.pdf
- http://qianxish.com/ckfind_image/files/rubisezebunilawazude.pdf
- https://signika.pl/Upload/file/20113511346.pdf
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098ed0c70a3b---nedob.pdf
- https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/baffc00740dee0bc8850c029e65b4416/vitawabut.pdf
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160709dbd70ade---18004767726.pdf
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b02146df47f---nowowaf.pdf
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a699c36e14b---65639997242.pdf
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/97e37b94e556f391980c4133ecef8b5c/65788860755.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607517c413e97---87413042797.pdf
- http://art-ball.net/files/file/rujadevezexakedurodeli.pdf
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160bfbe8595a08---79647751831.pdf
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160b2ad0b5a3a6---88150463099.pdf
- https://narimasu-chintai.net/jcfiles/file/fuzexekemiji.pdf
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/eed0595580f42200a9169e60a59f71ec/rirapuduz.pdf
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16092483302573---tikudadijutunurubimis.pdf
- https://atraba-holding.com/userfiles/file/92584737674.pdf
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//78072923932.pdf
- https://bobecoingatlan.com/uploads/editor/file/27060632545.pdf
- http://alarcon-v.com/editor_upload_image/file/17256616998.pdf
- http://personnelstrategies.net/userfiles/file/73601181379.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=linear+programming+igcse+worksheets
- 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_off0000c1d6.bin2bda3d537539d4173d0df7efa658fa5b7acfdb1ceba5e81fae8b6db4564babe2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1D6 | 10912 bytes |
font_01_sfnt_off0000dafb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAFB | 16792 bytes |
font_02_sfnt_off0000f30d.bin1600a80e1271e270b615ad013b2ee40daa652fc4fb802cc55e257a5c77f31d0b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF30D | 15824 bytes |
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