MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to websites that appear to be part of a link farm. Several heuristics indicate that these links are hosted on compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://knipia.com/userfiles/file/10456971639.pdf In PDF document text
- http://buddhavehicle.com/userfiles/file/74052852355.pdfIn PDF document text
- http://turnwealthy.com/ckfinder/userfiles/files/dufebavuxetotubub.pdfIn PDF document text
- http://apex-architect.ru/images/file/31629393595.pdfIn PDF document text
- http://paradisoseminatrici.it/userfiles/files/28031089941.pdfIn PDF document text
- http://hastensandbreakfast.nl/userfiles/file/zodamero.pdfIn PDF document text
- http://parcroyale.hk/userfiles/tinetanagiravaxexa.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/0ceba0947149bcc6b1d921634f1e256d/38988610122.pdfIn PDF document text
- http://ky-auto.com/uploadfile/files/75362494959.pdfIn PDF document text
- http://status.cz/UserFiles/File/57106906203.pdfIn PDF document text
- http://hurtglass.pl/upload/file/27227385767.pdfIn PDF document text
- https://prestinieurope.com/userfiles/files/84651066618.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/21a2d925c30f01dddb84aba0360b3c12/13559098287.pdfIn PDF document text
- http://dieta-plus.pl/userfiles/file/66280769691.pdfIn PDF document text
- https://cargobull.cz/res/file/57332835454.pdfIn PDF document text
- http://rasciindia.com/firetech/ckupload/files/sepab.pdfIn PDF document text
- http://cottoneauto.it/userfiles/files/xanamar.pdfIn PDF document text
- http://koreadramatour.com/FileData/ckfinder/files/20210905_7B4D8C2570C48A7E.pdfIn PDF document text
- http://ecolservizinettuno.com/userfiles/files/71666799257.pdfIn PDF document text
- http://ediljolli.com/userfiles/files/23491277813.pdfIn PDF document text
- http://zpkprzemysl.pl/ckfinder/userfiles/files/morori.pdfIn PDF document text
- http://poketomecam.com/uploads/files/27571498308.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138abec1aed9---mujodebisekekaxaxib.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=how+to+get+the+device+token+in+androidPDF 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_off0000b3e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3E1 | 10668 bytes |
SHA-256: 0f0c99b8ced4857367bee2d3b9b549e30ece442a44019af0931b073bbaecaf47 |
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font_01_sfnt_off0000cc19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC19 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e42b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE42B | 18584 bytes |
SHA-256: 22689692551ea394e4e70bf0add155314ed8b63640595ab9b2e44d561d69a426 |
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