MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with many URLs pointing to potentially compromised CMS upload directories. These links likely serve to redirect users to malicious payloads or phishing sites, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://yesilderecine.com/admin/editor_resim/file/zexurixekiretakot.pdf
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/adbb0ae84595521f2390d887dd7680cf/linamopovonoxataganefugo.pdf
- http://energo-winstal.pl/userfiles/file/nigimokowefumodil.pdf
- http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/2074dce8951e3b8414ae125478fa321b/nugisatanakavanibevozepo.pdf
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0a096245e---14111141368.pdf
- http://versobrokers.eu/userfiles/files/44306841027.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1608edbc1578bc---gajuxolukujojakaxis.pdf
- https://fenixfalt.com/userfiles/file/mibologilavavubasoxax.pdf
- https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/87fecee4e6806174b2f7043658213670/gaguxekutogivadiw.pdf
- https://itracmediav5.com/ckfinder/userfiles/files/zegowodakexik.pdf
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b6c36b477---77457658745.pdf
- http://animalscipublisher.com/files/upfiles/file/zuvuvuratuge.pdf
- http://koszyczarek.pl/userfiles/file/kozuk.pdf
- https://pensiunea-escape.ro/ckfinder/userfiles/files/95030965780.pdf
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/d47de75e074821d0317daf7e8bd6471a/rinuvijunametezizopupor.pdf
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/9eea96f9f2da19968add7842153562ae/wezezalukebutusotodanalab.pdf
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/ec6bdf2e244f61d92f2e16a6be72660e/90049950693.pdf
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/b1fa8f6fabf44e31a7e741999d56b583/29642438162.pdf
- https://vasantviharproperties.com/userfiles/file/poxefezipeba.pdf
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/32f97b33f263768c42d417e62462c414/zunarikawusego.pdf
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/q5ehasu2f0ht5equ9kn44pkcqk/94395210547.pdf
- https://karapinarinsaat.net/userfiles/upload/file/91674160589.pdf
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160b45ec2e14f6---fepidugerutuf.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=the+cracking+code+interview+pdf
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/bfe5bc5949ee175cc3954d0a63f37ae4/86588259196.pdf
- 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_off0000ecec.bin33e8ea40a10e590a254799dc9ff2ec3ecc30d98b6b046536ebc21bf9f89fd111 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECEC | 10892 bytes |
font_01_sfnt_off000105f6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105F6 | 16792 bytes |
font_02_sfnt_off00011e08.binb537bcd76ab15fa08d5e95a668d12e5974c9784943b18cfaac23fccb315f0a03 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E08 | 18184 bytes |
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