MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress upload storage, suggesting a phishing or malware distribution scheme. The embedded URLs, particularly those hosted on potentially compromised domains, are key indicators of this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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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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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://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/233778125bf317a2dd0a87be7b1d1471/6706726588.pdf In PDF document text
- http://mellorymotors.ru/admin/ckfinder/userfiles/files/50301742514.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/1ea2b0adae6256cc7cda6fb86c446a11/zijivolesekunarorawigid.pdfIn PDF document text
- http://kapsalonvogue.nl/files/file/3987937421.pdfIn PDF document text
- https://club-sports.net/uploads/products/files/90233373086.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/uk9hj64ork8e5kgupv9sv3s1k5/36855931514.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/76c527240212a6465e2c78141dfdd953/vujoge.pdfIn PDF document text
- https://drsubhashawale.com/ckfinder/userfiles/files/takop.pdfIn PDF document text
- https://giustofiori.it/file/joxodivosalozoz.pdfIn PDF document text
- http://vitanova-cattery.com/upload/file/neraviwuzined.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1610a9bc6c1a0a---dapoxekivel.pdfIn PDF document text
- http://andlupa.com/userfiles/file/suwufadudibinewetimokatoz.pdfIn PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076251487b25---sibekutu.pdfIn PDF document text
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/afb19f007351c50ed4d36e85cf7afd0e/rafafuf.pdfIn PDF document text
- https://imagebeaute.fr/userfiles/file/meluwamazafiwegudi.pdfIn PDF document text
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/d8150fd1f00f00a531dcdbeaa10f4e9a/65972901606.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608216ae8d069---vupigubixuko.pdfIn PDF document text
- https://narimasu-chintai.net/jcfiles/file/27531118213.pdfIn PDF document text
- http://verypool.cn/images/upload/File/guragarazigomuxukikam.pdfIn PDF document text
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/ccfbab85f8c303f98cf298488ec769cb/kafijizowuzaledo.pdfIn PDF document text
- https://farmstead.tw/farmstead/upload/files/16555873529.pdfIn PDF document text
- http://effektfilm.de/files/file/34236929474.pdfIn PDF document text
- http://24cvety.ru/upload/files/283038844.pdfIn PDF document text
- http://auroraenergyproject.it/userfiles/files/67583660141.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=difference+between+iodometric+and+iodimetric+titrationPDF 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_off0000c260.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC260 | 10652 bytes |
SHA-256: 27d1a4dad461b75f819f836db762cca01d7fdc73e83aea0584d73a0919351466 |
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font_01_sfnt_off0000dad2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAD2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f2e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2E4 | 16336 bytes |
SHA-256: 25b73e2232f951f4bac5597bf6191378f20dbc50a2a42cd7c3a85e444e757107 |
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