MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The sample is a PDF identified as malicious by ML classifiers and ClamAV. It contains a link farm pointing to multiple PDF files hosted on compromised WordPress sites, indicating a phishing or malware distribution attempt. The use of compromised CMS upload directories suggests an effort to disguise the malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/a179150bb701bdf7b398c1fececd04cd/dokogamaz.pdf
- https://beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/bbeee6ae929095a7e264d7bfb6ecf014/64097614676.pdf
- http://sumbulefendiegitimvakfi.com/resimler/files/poxapilogapuxajopupixojob.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607b952d3b4fa---55574171096.pdf
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/7d2cf8d43d8ef646c6ded9e4c65e6cd6/lenupakuxazutoxananepowap.pdf
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/afb5632c9951b6dc54e4cf12ccc641c7/niveto.pdf
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/45df0881a190ba313f29a922ff5f2d59/72305882041.pdf
- http://yuanyoujie.vip/userfiles/file/sobumaxurasinotiligutu.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/ae24b0f641da9e0fc978029ee411b2b2/miwivobaperen.pdf
- http://uhy-th.com/image/upload/files/38358251403.pdf
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085277838aa7---zexebawapejilas.pdf
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16074c15338a78---xafezazugakitoxopi.pdf
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609e7f22944cc---41840259461.pdf
- https://alutat.com/data/file/96388266257.pdf
- http://ladyqueen.it/userfiles/files/58802379560.pdf
- http://szymonadamczyk.pl/uploads/fck/file/funexakumopas.pdf
- https://yucekalipmakina.com/tsrm1/img/userfiles/file/57317515645.pdf
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d2962bbd955---juligesalabijipoti.pdf
- https://ludifrance.fr/userfiles/file/64824569589.pdf
- http://gwardiajuvenia.pl/zdjecia/fck/file/35292396776.pdf
- http://casaalu.com/luutru/files/30528994084.pdf
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b90a79b9466---18475601962.pdf
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/2251702701923968e4bfdb87a4cad2ae/53517189668.pdf
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/fr9dcon14ohhipo18re3f37ual/50322576568.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=logic+games+bible+2019
- 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_off0000ea0f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA0F | 16792 bytes |
font_01_sfnt_off00010226.bind434bc5ae75919bb9910ed0bfa49569e2f6f3f94343fb425c17d5041fe31b414 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10226 | 10828 bytes |
font_02_sfnt_off00011b34.bin74bb6b377384e085ff455d1ede2d3431a601f1dabcd0a9abfaa2e953f5bea4f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B34 | 17800 bytes |
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