MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised websites, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of numerous links on disposable or compromised hosting further supports the classification as a malicious PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://autoscuolavalerio.it/userfiles/files/44771820691.pdf In PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613f770ebdb9a---8152204714.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/93sbci6dbrm3t7jhnp1a7o5s7f/99912984222.pdfIn PDF document text
- https://perfecthospitals.org/FCKeditor/file/xilotobuwu.pdfIn PDF document text
- https://patoman.ro/ckfinder/userfiles/files/43294727997.pdfIn PDF document text
- http://balbu.eu/uploads/news/file/vevesomojomer.pdfIn PDF document text
- https://rkdestate.com/userfiles/file/69007219676.pdfIn PDF document text
- http://pneusmarene.it/images/file/legakixutosalexawofen.pdfIn PDF document text
- http://aqs-group.it/userfiles/files/95116685946.pdfIn PDF document text
- https://noventa.cz/media/files/file/ruvup.pdfIn PDF document text
- http://kosmonautika.ee/ckfinder/userfiles/files/17158011261.pdfIn PDF document text
- https://cambodiaangkorhomestay.com/userfiles/file/60535612779.pdfIn PDF document text
- http://nenorm.com/files/files/gufada.pdfIn PDF document text
- http://kingalbertltd.com/uploadedfiles/file/xufevitupaluwexibig.pdfIn PDF document text
- https://pottoka.info/files/galeria/files/7014424802.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148dfefa7a53---13010972862.pdfIn PDF document text
- http://www.eau-msu.ru/ckfinder/userfiles/files/linugakowopalotokudaveg.pdfIn PDF document text
- https://growyourmoney.in/userfiles/files/17044266282.pdfIn PDF document text
- http://xn--9i1b14lwsg1seumdzsx.com/upload/fckeditor/file/86976713358.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613b79f6a92a4---88117896349.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=app+booster+apkPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_003_off0000af5b.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xAF5B | 17656 bytes |
SHA-256: 15857f1855e06cb9af68b1db807571afe55678a16ea35153fec19cee37f83cd1 |
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font_01_sfnt_off0000ca05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA05 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e217.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE217 | 14648 bytes |
SHA-256: a83a546fa6220a3bcc17eb2f204bb2271c595710b6a2094025c649a91035479f |
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font_03_sfnt_off000106d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106D8 | 10216 bytes |
SHA-256: 23b0f6e5a053e5768d6682171c2145bbf3850662902b17914c08e05bc2a6005d |
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