MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many pointing to compromised WordPress sites hosting other PDFs. This structure suggests a link farm designed to redirect users to malicious content, likely for phishing or malware distribution. The ClamAV detection and ML classifier further support its malicious nature.
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 https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/vt104gdn1siek1tcjgqudqg3lp/jerez.pdf In PDF document text
- https://cleanenergy.mn/uploads/files/83202976398.pdfIn PDF document text
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/e68a658a452197ffe42a02fa08d30728/99878010813.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/5g8bc4iasif8ruicmgkbj539o2/banapetejexapa.pdfIn PDF document text
- http://grafosaleservice.cz/images/fck_editor/file/gabub.pdfIn PDF document text
- https://damiel.eu/userfiles/file/9142334541.pdfIn PDF document text
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/f05ad65b08f7758606647fa569ddb5a1/93812439009.pdfIn PDF document text
- http://absolutelyneon.com/userfiles/file/94344148580.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1607cdd2d7ba4b---mifuwun.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16114123b82180---5516730225.pdfIn PDF document text
- http://cafemsoffice.com/userfiles/files/81094695117.pdfIn PDF document text
- http://limeitec.com/upfiles/editor/files/noviwagizimipupimebob.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/3m8mtidbcg4vqv7ekp7l25rtf1/93542343497.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16086c466762fc---banudiru.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1610c239c07610---lesikewor.pdfIn PDF document text
- http://rund.cz/UserFiles/File/29014355537.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160762164931f6---zapikexinas.pdfIn PDF document text
- http://mirutte.com/newsfiles/files/zitabulidufupojukefomuvo.pdfIn PDF document text
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/61ec46065043973245bf57222b423dbf/satopojaj.pdfIn PDF document text
- https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/06154ed8a5b5f7f1ba9c57286a162fa0/93345829834.pdfIn PDF document text
- https://et-auditing.com/userfiles/files/55479531206.pdfIn PDF document text
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aba7b5c053b---75943410094.pdfIn PDF document text
- http://xn--clinicaquirogavilario-vbc.com/wp-content/plugins/super-forms/uploads/php/files/n0os09blnnqs295dg97b5arnn6/64783618139.pdfIn PDF document text
- http://think6.net/ckfinder/userfiles/files/20210806014909.pdfIn PDF document text
- https://floraplant.gr/FCKeditor/userimages/file/radotazigologal.pdfIn PDF document text
- http://littlepearlbooks.in/data/eimages/file/83126265760.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=character+types+worksheet+1PDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c29c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC29C | 16548 bytes |
SHA-256: 1f047db0d442c097775880d2b5919903231212fff45388d7764648536288b5d4 |
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font_01_sfnt_off0000ed25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED25 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001053c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1053C | 10604 bytes |
SHA-256: b1f519158c7d085d93bcf11adecc487454ec3450a5a3e3950f68f9bad6234b7f |
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