MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to compromised WordPress sites and disposable domains, indicating a link farm designed to redirect users. The ML classifier strongly flagged this PDF as malicious, and the heuristic findings suggest it is part of a link farm strategy. The primary goal appears to be directing users to potentially malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 5
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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 https://huntic.ru/uplcv?utm_term=medicinska+mikologija+pdf PDF link annotation
- http://kqcme.yiaiwang.com.cn/upload/files/toxolim.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bec57e20df7---xakifapawufasaxezino.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b2c7f2b1ba---kubogaganedemozexev.pdfIn PDF document text
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/16080bd049ba7b---varofetunedezuka.pdfIn PDF document text
- http://dharmapuridiocese.com/svnprojects/DHD/Source/images/files/kujijuno.pdfIn PDF document text
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cac4e1aa5e3---6891356661.pdfIn PDF document text
- http://studioscoponi.eu/userfiles/files/lebupimug.pdfIn PDF document text
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160dbb8d457d1a---rolomukotaxavajulupotiw.pdfIn PDF document text
- http://prociweb.hu/sites/files/file/kuxol.pdfIn PDF document text
- https://anmoul.com/userfiles/file/76150002385.pdfIn PDF document text
- http://www.jokilaaksonratsastajat.fi/file/81682976896.pdfIn PDF document text
- https://aimhc.com/userfiles/file/dugazuj.pdfIn PDF document text
- http://jan-fotografie.nl/upload/files/69264034974.pdfIn PDF document text
- https://mwasafat.com/uploads/files/vimabakasewomulefijis.pdfIn PDF document text
- http://www.yankey.com.tw/demo/public/editor/ckfinder/upload/user_upload/files/87594505142.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609128b250798---rasidag.pdfIn PDF document text
- https://pjkconstruction.ca/images/file/87593006943.pdfIn PDF document text
- http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e29abc5b52---kepowaxerorapogiguxulofun.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16137b67374a9e---64438913549.pdfIn PDF document text
- http://meta-min.com/files/nuvikijirokawukav.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/4b51a302ad1860af987af76e674aa9ad/kebesudofijokiv.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/5250e5087fa98406cf8f5c6fd0d06d2e/pefisovunadediwalok.pdfIn PDF document text
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/2d6feaf8acbb7221dc7505f223ebb56a/18216605784.pdfIn PDF document text
- https://advik.net/userfiles/file/84858929616.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e60cbfc818d---10570131646.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_off0000be98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE98 | 16928 bytes |
SHA-256: be318b974d812598ab525d554cee788aef58750df26436b69bc20f57e19ccf53 |
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font_01_sfnt_off0000ea47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA47 | 10980 bytes |
SHA-256: f3399afb7dbd57ec3c6991264f112f9194799ddc6314a6da3d67341c6ba125b8 |
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font_02_sfnt_off0001037a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1037A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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