MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and heuristic firings like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' point towards a phishing or malware distribution scheme, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://neoclassicalmansions.com/uplds/file/figitapi.pdf In PDF document text
- http://ranaghatpchsschool.org/userfiles/file/6833599598.pdfIn PDF document text
- http://roland-toys.eu/userfiles/file/bomoxuduso.pdfIn PDF document text
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/neoh81ibav9ph0qbgldsi4fh1i/31854027636.pdfIn PDF document text
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/uu7d5slca2re90tu600or5lft6/kirisarawulolibuvugixewe.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/ejmahbecenbuuh1oct5qcn1j21/sitipekipifurujoxoraxezax.pdfIn PDF document text
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/chogqje3ipaobpc310m7n4jhb7/85765745432.pdfIn PDF document text
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e021f1b238---sexujazozaku.pdfIn PDF document text
- http://kavernoklub.com/campannas/file/52837115241.pdfIn PDF document text
- http://colegiosantarosa.com/uploads/imagem/file/54193860327.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/faf374a70bafe9fe1ae8a1eadf44691e/65733321747.pdfIn PDF document text
- https://jajugroup.com/ckfinder/userfiles/files/malidi.pdfIn PDF document text
- http://yonezawanet.jp/units/24250/zcycom/files/vibubimojasisibe.pdfIn PDF document text
- http://acecaalcoy.com/userfiles/file/zijamasenibenisar.pdfIn PDF document text
- http://thunderstar.cn/userfiles/file/20210506073413919603736.pdfIn PDF document text
- http://geyikkimya.com/userfiles/upload/file/36092876528.pdfIn PDF document text
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607f1675df948---80723624619.pdfIn PDF document text
- https://www.cpro.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608423616ff2a---tefuraludagizevema.pdfIn PDF document text
- http://alexanderkanevskyartistbiography.com/clientMedia/file/zatoxisiferaj.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=mac+pdf+editor+softwarePDF 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_off0000e4ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4AE | 10540 bytes |
SHA-256: 05451ad2fc19a0624feb891668c050b963945776267cfb06834d47d30a80a5d5 |
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font_01_sfnt_off0000fcf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCF1 | 18708 bytes |
SHA-256: ed5f0192920a706e7c542d7b9515241d690d3256a5882301644b4f82ec6d0391 |
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font_02_sfnt_off00012d3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D3C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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