MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://saptabangunmanunggal.com/indomobils/upload/file/zunariberakanete.pdf In PDF document text
- http://gsemilia.it/userfiles/files/58180761430.pdfIn PDF document text
- http://mh-gartengestaltung.de/userfiles/file/45246577599.pdfIn PDF document text
- https://portalbime.com/UploadedFiles/New/file/nuzadikolemegilim.pdfIn PDF document text
- http://veterky.ru/ckfinder/userfiles/files/wagafo.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613f4d8351bee---85080831252.pdfIn PDF document text
- https://masini-de-ambalat.ro/images/userfiles/zivafoxikaxuvuzemelewuvis.pdfIn PDF document text
- https://krafteco.ru/uploads/files/25725249533.pdfIn PDF document text
- http://przystaneknida.pl/data/aktualnosci_imgs/file/vuxoxi.pdfIn PDF document text
- https://tanvietnamdinh.com/uploads/files/87371074765.pdfIn PDF document text
- http://stroi-sistema.ru/img/53675876158.pdfIn PDF document text
- http://pincailight.com/zk/UploadFile/file/2021090122043773499.pdfIn PDF document text
- http://hightopeducation.com/cms_uploaded/file/desolovizinewunatubonus.pdfIn PDF document text
- http://www.creativitaecomunicazione.it/js/lib/ckfinder/userfiles/files/muvotum.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614efbef1dbc4---95741682184.pdfIn PDF document text
- http://impactpluslearning.com/ckfinder/userfiles/files/21137496133.pdfIn PDF document text
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/41e8f736f404271647f3d0ce673db8e3/gipadafukajewavikagawabiw.pdfIn PDF document text
- http://ascensionchina.com/userfiles/file/16884895609.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614046794fac6---24509665602.pdfIn PDF document text
- http://bienbao.net/uploads/files/torexifuropuwepofopexur.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161423503a7020---57974722847.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=her+granddaughter+full+moviePDF 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_off0000b017.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB017 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c829.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC829 | 16412 bytes |
SHA-256: 7edb094cc407c6300cafce9c0348aca7ea3167ec6d587673325b892c1de1bd93 |
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font_02_sfnt_off0000f23d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF23D | 10792 bytes |
SHA-256: aab3256944cac22e5c69d2b44df4c89ca86b698f4dbd73c666e0e0fab08e4f72 |
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