MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as a link farm and contains numerous URLs pointing to potentially compromised websites or disposable hosting. The ML classifier and ClamAV also identified it as malicious, likely a phishing or malware distribution lure. No scripts were extracted, and the document body was unreadable, but the presence of many external links strongly suggests a malicious intent to redirect the user.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://jngf.cn/files/file/34910896098.pdf
- http://asbufestival.com/uploads/FCK_files/file/wopuragozexusuni.pdf
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fab583c58b---kavopafilufasipaneguted.pdf
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/160765b68d4706---86389314749.pdf
- https://securitydm.rs/slicice/file/17769800896.pdf
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/lhjfsl1mqc1uutkddd5mld8q64/dugoje.pdf
- http://hum-lucknow.org/test/fckeditor/file/fukeratomonisuxomu.pdf
- http://herve-coiffure.ci/files/pezapu.pdf
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/03df79e5ad1e2052065ed24d47b88efa/75206619955.pdf
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607d27868c6b3---17859264417.pdf
- http://lhs60to70.com/clients/3/32/32806278e47d7e4d905c37b1d6ebf04a/File/27253586155.pdf
- http://www.chubsorn.com/file/files/tared.pdf
- https://rinducm1.com/contents//files/wurefaginuxeluvenom.pdf
- http://lapenya.cat/imgjovesnaves/file/sofemuxexasa.pdf
- https://hgb.se/filer/file/86910718017.pdf
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16075ab9c7779c---xogoweruwiti.pdf
- https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/1606dc02b835be---ninigojaremujibif.pdf
- http://veterinariogiardinelli.it/userfiles/files/mifedo.pdf
- http://urgentcarepb.net/userfiles/file/20260530356.pdf
- http://feldbach-tourismus.at/files/71215016733.pdf
- http://gancza.pl/userfiles/file/95218655830.pdf
- https://ovalpolycoats.com/media/biresexulutatipare.pdf
- https://dpengineers.info/admin/userfiles/file/16912948584.pdf
- https://dildendilecevirievi.com/upload/ckfinder/files/kovabilisosefoj.pdf
- http://humboldthighclassof79.com/clients/1/19/19f040aad945c40a0acbd79abd3dc6cb/File/tuvutuk.pdf
- https://xaydungdonggia.com/app/webroot/files/images/pages/files/masogodetobamuwuloradid.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=lords+mobile+mod+apk+unlimited+everything+2020
- 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_off0000f23c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF23C | 16792 bytes |
font_01_sfnt_off00010a53.bin9953f0a2674ef64042466fa426c146876dacd75e6e4495e88fdbaacad277a91b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A53 | 11552 bytes |
font_02_sfnt_off00012523.binea179162606967df1e8b3b989064ce2d1d11e52e6c29aa641edef6290c42e72e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12523 | 16680 bytes |
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