MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a significant number of external links, many pointing to compromised WordPress upload directories, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/16083e378aa48d---51790392330.pdf In PDF document text
- http://perchegouet.com/ckfinder/userfiles/files/xajexuzopover.pdfIn PDF document text
- https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/efdf7fd0e5aa96aa65dccc974e5c5869/witutonomiladi.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160837b8ce5565---fizowumakilasozagole.pdfIn PDF document text
- https://charqueadaboavista.com.br/wp-content/plugins/super-forms/uploads/php/files/220c24fc33d2226bf0bd59a6b4c794b4/saxefaluvirupiviku.pdfIn PDF document text
- http://benthanhsgfarm.net/images/uploads/files/30844979593.pdfIn PDF document text
- http://hyeminshop.com/DATA/files/lafodefuwekiguv.pdfIn PDF document text
- http://bitree.net/ckfinder/userfiles/files/tegenuwofid.pdfIn PDF document text
- http://abnicum.com/files/file/pudimi.pdfIn PDF document text
- http://quangphong.vn/uploads/image/files/wunetogizeromexusor.pdfIn PDF document text
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608086abd6cee---jigop.pdfIn PDF document text
- http://fuga-hotel.com/CKEdit/upload/files/92595050918.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607515818eb73---6329741573.pdfIn PDF document text
- http://www.stemcellhairclinic.com/files/files/93798004366.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/babomanizokawem.pdfIn PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f346614ebc---ronij.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/16095f00f6326c---57805740020.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160d93dcb871f2---23159661672.pdfIn PDF document text
- https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/84ab1aeb5b8b1356f2efc7f5e434380b/42972405178.pdfIn PDF document text
- https://medicentrumnz.eu/medicentrum/files/file/zunim.pdfIn PDF document text
- http://someteme.com/archivos/_20210617144828.pdfIn PDF document text
- http://daiichibus.vn/uploads/news_file/xapagogete.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=fourier+transform+for+dummies+pdfPDF 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_off0000db9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB9D | 20136 bytes |
SHA-256: ff13adb5c75e49ba98dd9cea2fa5d97317dfc49cfc48309ce2f57109133b9648 |
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font_01_sfnt_off00011011.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11011 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012828.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12828 | 10692 bytes |
SHA-256: eebb65a22909e5852f39a3ad795719b0059b3a2705548e429b36bb3754a0a15a |
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