MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier strongly flagged this PDF as malicious, and heuristic rules identified it as a link farm on compromised CMS uploads and disposable hosting. The primary attack pattern involves directing users to external, potentially harmful, resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
Heuristics 6
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://adveotec.com/img/file/mowoxak.pdf In PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084215014ff7---xufanojavafavutufapu.pdfIn PDF document text
- https://caribemed.com/userfiles/file/14608654056.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa40bb9e58c---27493107938.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160826206cc7ae---gunuboxazekatujib.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607920761357e---77453471252.pdfIn PDF document text
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/9db779ba304651baf8eea7e4e0eec83c/detusuxelenurapezuwemevob.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607129cbaef4b---gupakulufanolipu.pdfIn PDF document text
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089efe533f3f---86336595094.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0e838f8a4---favifi.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/5dt7saeghbl654eci4b8lsn1ft/vojuzedodaxa.pdfIn PDF document text
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/9f3321e6f157b2c49a5b1c3105d38940/pabiwenevoje.pdfIn PDF document text
- http://laweasy.kr/userfiles/file/gunekemizujiw.pdfIn PDF document text
- https://marblobaths.com/app/webroot/img/files/71621259933.pdfIn PDF document text
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3c62e09097---86471594026.pdfIn PDF document text
- http://dabaizhongxue.com/upload_fck/file/2021-5-25/20210525071649224708.pdfIn PDF document text
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091b3272b735---lenaregabikevavifugas.pdfIn PDF document text
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609d216375eae---38556695650.pdfIn PDF document text
- http://activesolutionelectric.com/images/file/17330499203.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/0a8ff99a0e3e506d8ea2ee2875ec88c8/25775450593.pdfIn PDF document text
- http://ambulatorioveterinariocigliano.com/userfiles/files/sepojon.pdfIn PDF document text
- https://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f8eb98a469e35166577c05deb201b404/57399584467.pdfIn PDF document text
- https://latework.cz/soubory/62269481779.pdfIn PDF document text
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/002eeb74e2dd539bf15e51bbac1f37f1/xerokujivunipunonu.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/e263c36f400d540e849485f7d44bb7ce/42997322980.pdfIn PDF document text
- https://marbellamohali.com/wp-content/plugins/super-forms/uploads/php/files/ebd916b3bd1ec6ec095749008fe81551/8480289359.pdfIn PDF document text
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/8bc61c357ebf6a3a81a91d1eb0a087c8/kuzosazejoniviwunenajumeg.pdfIn PDF document text
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/803a570af279714730567b5433ae4335/tadituxitudetuvozenelavak.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=pope+changed+the+sabbathPDF 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_off0001046a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1046A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011c81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C81 | 10696 bytes |
SHA-256: 1a01405a3e2a1f7478bf805d32af4b2e8c5faa46afd8b01f800b6ec911c2cb64 |
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font_02_sfnt_off00013492.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13492 | 17468 bytes |
SHA-256: 16c3b8177ec57e0b61c7f85e920e0f2a359c7b4d330e75d3b1376125c1cee12e |
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