MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm designed to redirect users to potentially malicious content. The presence of these link farms and the overall structure strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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 https://irlanc.ru/uplcv?utm_term=life+and+death+of+a+star+worksheet+key PDF link annotation
- http://vinmexindia.com/uploads/fomefaxolajudosebobiwora.pdfIn PDF document text
- http://hakkabrothers.com/userfiles/file///81249499514.pdfIn PDF document text
- http://mexvp.com/ckfinder/userfiles/files/tekonanagupije.pdfIn PDF document text
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16102c651bdd3d---88858726114.pdfIn PDF document text
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/8fa338be15074c604d885ec0f976c075/nupukejejuxo.pdfIn PDF document text
- https://koetec.com/home/~ptow/public_html/ckfinder/userfiles/files/81106691679.pdfIn PDF document text
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/6af3a23472e43b7bdeb83860e48474ea/71178447499.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16113e9ad02fd3---xawovezip.pdfIn PDF document text
- http://xingyeknitting.com/userfiles/files/rudugujagogerosutawezu.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080b4d0e0573---reximufiwixiguwirewem.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099ad5fb5ced---7258302957.pdfIn PDF document text
- http://sarljarry.com/userfiles/file/66948475230.pdfIn PDF document text
- http://xn--h1agcmh.com/ckfinder/userfiles/files/farejizozuwow.pdfIn PDF document text
- https://rmp-traueranzeigen.de/cms/files/foledago.pdfIn PDF document text
- http://oreade-breche.fr/userfiles/file/79731214146.pdfIn PDF document text
- https://www.sterlingsez.com/ckfinder/userfiles/files/56704412427.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/d80c8222f19f412fc7c6550055464041/patupa.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160995174bca73---93414829519.pdfIn PDF document text
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/c40f60204c20fc42dc8e97ca97c77343/romokefajedakesara.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa8d7e6c0a4---84954758903.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16128dabab4a6f---gotovimesurobudokam.pdfIn PDF document text
- https://noticky.net/akce/fotky/file/70594253173.pdfIn PDF document text
- http://bearings-home.com/userfiles/file/27709923668.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16117d942001a0---vudinupedinojul.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_off00010906.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10906 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001211d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1211D | 10652 bytes |
SHA-256: e61ee786aaa2c59de7c64f6e8a2d4d9ed02773d1f16a25722c8b743549ffa043 |
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font_02_sfnt_off0001398b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1398B | 17156 bytes |
SHA-256: b5bd090e6411e27a8a8049319201ba89de351f208c640e4cba5f94f503cce441 |
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