MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous embedded URLs point to compromised websites, suggesting a phishing or malware distribution scheme. The file's structure indicates it's a link farm designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/6f927dd50fcdfecc5333975b440ffced/96768380960.pdf
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609aa4b021f5b---26151432456.pdf
- https://www.herewardcarpets.co.uk/wp-content/plugins/super-forms/uploads/php/files/ip3h5lai2mmnu5j3n3d3lk5sju/94861312871.pdf
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e175c408b7---fower.pdf
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/896a202353575deac077107d940b9737/60147404944.pdf
- http://starsunited.at/upload/files/94976519925.pdf
- https://didacostruzioni.it/userfiles/file/dofupebesekodutixor.pdf
- https://hpsoft.shop/upload/files/72443573978.pdf
- http://lpkgoodframeupvc.com/userfiles/files/57625269444.pdf
- https://fishboat.hr/files/zuberuzuzovelozebumi.pdf
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/5a72203ac6fc95c3ea0ed5124e9d08b1/26358902885.pdf
- http://blackshirts1962.com/clients/f/f2/f245580d3072b78cda2271cf7a7e3f61/File/96324546181.pdf
- http://barcabianca.eu/upload/file/47630619629.pdf
- http://2ds-creations.fr/userfiles/file/muwesazugo.pdf
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/e3ssl1gabovhqth874bnhjf9ap/vorisapomulum.pdf
- http://i-dron.cz/data/file/38468834488.pdf
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a3f2871124e---gifikoz.pdf
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba5c69dd34f---71300794611.pdf
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/4h5ao40bmlnmor0msgep1gbsl1/redukenadajo.pdf
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7cf029545d---82489016088.pdf
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/6n6n2ams18g7iq89b32tabdc95/25623459813.pdf
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1608c4ceac4115---70432210191.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=finding+the+surface+area+of+a+rectangular+prism
- 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_off0000bddf.binc258cd399e671bbdd259b4b684507515d1bba3a1f45fa9049c760d5e8c09cf04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDDF | 11144 bytes |
font_01_sfnt_off0000d776.bin7acb30bc7b85952ded3601c493f395078b250bbf5b20140d6d0a43a4ea5491f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD776 | 16104 bytes |
font_02_sfnt_off00010176.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10176 | 16792 bytes |
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