MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript, which is often used to redirect users to malicious websites. The heuristics indicate a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support its malicious nature, with the embedded JavaScript likely serving to download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://allytemp.ru/uplcv?utm_term=converter+word+to+pdf+online+2 PDF link annotation
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/ec78c9ce1c2f81403660bd9f062bb9f9/40656073801.pdfIn PDF document text
- https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/74ca00fca6ae43a4ec5a58d2d56f793c/retezizapudamuzamo.pdfIn PDF document text
- http://dailyliving.nl/ckfinder/userfiles/files/42327721993.pdfIn PDF document text
- http://gunjanjain.com/app/webroot/js/uploads/files/juluvapel.pdfIn PDF document text
- http://alliance-ic.ru/uploads/file/20463296660.pdfIn PDF document text
- https://hospvetcentral.pt/site/upload/file/91660218353.pdfIn PDF document text
- http://universalthailand.com/images/uploads/ckfinder/files/tuburoxolusi.pdfIn PDF document text
- http://saveondealz.com/ckeditor/ckfinder/core/connector/php/uploads/files/dulibolowugefimeguje.pdfIn PDF document text
- https://fuoriscena.eu/file/9537386281.pdfIn PDF document text
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/a080da0719f32051649b17820c35baf3/4750036761.pdfIn PDF document text
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/r09d9s2dm8jsnbdlt5otk2mq1m/95226066228.pdfIn PDF document text
- http://marinapogon.pl/upload/file/77920713728.pdfIn PDF document text
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc6a625da10---vuxupodirano.pdfIn PDF document text
- https://ahirealty.in/admin/userfiles/files/gafibiwasovowovigakike.pdfIn PDF document text
- https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/6c5ece87b0aeeb87b5e27bc47204942a/70343996819.pdfIn PDF document text
- http://transinfosoft.com/userfiles/file/lazagomabuvaxog.pdfIn PDF document text
- http://zentrumok.com/userfile/files/67992439864.pdfIn PDF document text
- http://xn--12cfu9bc1efac9a9azfdsb7b9d1f0j.net/ckfinder/userfiles/files/4230885242.pdfIn PDF document text
- http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/b5e7a8387fec8c47f866dfa9d7791aea/32490084949.pdfIn PDF document text
- http://wahibluedevils76.com/clients/5/55/55d7338a7abcce318bc847d7f34994f5/File/lokekegis.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160841f1fe6fa9---23384520116.pdfIn PDF document text
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ad97c533877---80092240069.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/7dd44beb9b49fc7d349bea0fd1448966/15911040940.pdfIn PDF document text
- https://pointsourcegroup.com/wp-content/plugins/super-forms/uploads/php/files/b6d490b31c36517c7572dba3eabdf94d/25114466234.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/4609909f7e5d892aa32be0b5093327cf/96217815043.pdfIn PDF document text
- 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_off0000cca8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCA8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e4bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4BF | 10464 bytes |
SHA-256: e3d175d71acb190423935a69c7cb20c9ece3aeec44275c02cba502b1a9c537b8 |
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font_02_sfnt_off0000fcb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCB5 | 17140 bytes |
SHA-256: f53558abd4825b133c2e85e773911b07b7b5b5b5fea682806ccfa96c9c069b2c |
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