MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm directing to multiple domains, with several URLs hosted on compromised WordPress sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or to serve a secondary payload. The document body is heavily obfuscated and does not provide clear textual lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://bartuceviri.com/userfiles/file/ganimerexanekekewotez.pdf In PDF document text
- http://pattarasawat.com/ckfinder/userfiles/files/tiden.pdfIn PDF document text
- https://darkoyunpin.com/calisma2/files/uploads/xuvarabijowet.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210508071723173.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/gedokafanazedaxizuloxi.pdfIn PDF document text
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/ampecr9s8qeh0cft04gjt1ha47/62115903079.pdfIn PDF document text
- https://delcinfo.ru/img/files/files/tisosobexefuxitiwawimuwal.pdfIn PDF document text
- http://fdscience.com/UPFILE/userfiles/files/13750648269.pdfIn PDF document text
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609bf896e554e---towivipurijeke.pdfIn PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/a7cbbbadf855a2418ecbbd39ee78cd39/voxesuwamekimam.pdfIn PDF document text
- http://kevinmcallisterlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/linebotetogoropekajoto.pdfIn PDF document text
- http://barudan.hk/UploadFile/file/20210528214445734.pdfIn PDF document text
- http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/44722427310.pdfIn PDF document text
- http://xn--szabowski-tub.pl/userfiles/file/gisajiluduve.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/16116eb2a6fcee---12127589141.pdfIn PDF document text
- http://skncn.com/u/files/84898206090.pdfIn PDF document text
- http://nhs1980alumni.com/clients/878257/File/16094736264.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/acb9c4e9ea9ca1ecdc3e7643ff8dfd6c/novipokex.pdfIn PDF document text
- http://lncxjzxxw.com/upload_fck/file/2021-8-29/20210829120934982486.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/161030744412b0---33376564117.pdfIn PDF document text
- http://sculecuacumulator.ro/app/webroot/files/userfiles/files/kalipal.pdfIn PDF document text
- https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/08421743a210bc54dd7727ec000e3384/zafunikuzawanu.pdfIn PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160818d82b4728---wolerejubafirevipud.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=fordismo+taylorismo+toyotismo+pdfPDF 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_off0000dcf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCF9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f510.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF510 | 10512 bytes |
SHA-256: 53d625105eefbbc7fbc6e7b73680854b1f18a8faaf5b158e725f7444b7ba7d20 |
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font_02_sfnt_off00010cfa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CFA | 18952 bytes |
SHA-256: 7ca0a14c1d9dd2f428481d4a29919c597335ab9119d8d2f4f7af01adaeecc741 |
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