MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm or phishing lure. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics strongly suggest this malicious intent. The ML classifier and ClamAV detection further confirm the malicious nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://msslink.ru/userfiles/files/datutogomedaruzo.pdf In PDF document text
- http://fueandhair.com/userfiles/files/68669770224.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f085bb69d0---39128959586.pdfIn PDF document text
- https://hkbca.org/UploadFiles/file/20210903043146127.pdfIn PDF document text
- https://equinox-e.com/upload/files/wifajuzoli.pdfIn PDF document text
- http://zimmerei-possert.at/48924891660.pdfIn PDF document text
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/h07sp3jvgd75cid74t7q7tfuk6/velibaz.pdfIn PDF document text
- http://phutungvespaco.com/luutru/files/64327975638.pdfIn PDF document text
- http://baggiez.net/userfiles/file/fekolirufafugiwaxexuvonoz.pdfIn PDF document text
- http://cokhitienvuong.com/uploads/files/12413813377.pdfIn PDF document text
- http://lnimeina.it/userfiles/files/56745191280.pdfIn PDF document text
- http://noithatsah.com/webroot/img/files/39212717503.pdfIn PDF document text
- https://anna-bel.com/app/webroot/files/userfiles/files/7535262927.pdfIn PDF document text
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae66bb56e4---pifofaku.pdfIn PDF document text
- http://paneldeconsos.com/userfiles/file/72439649009.pdfIn PDF document text
- http://stfurnimart.com/file_media/file_image/file/44576278161.pdfIn PDF document text
- https://lazdynumokykla.lt/userfiles/file/48747815799.pdfIn PDF document text
- http://teraval.cz/res/file/birevebadulurixatuzelak.pdfIn PDF document text
- http://midoriku.zaitakunet.jp/app/webroot/upload_images/files/tobilerebusigexan.pdfIn PDF document text
- http://itkaufmann.com/images/fckimages/file/78647105092.pdfIn PDF document text
- http://letsbelegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/46036478314.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb7f6c814d---wefofa.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=babooshka+roblox+idPDF 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_off0000c939.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC939 | 10400 bytes |
SHA-256: f072c7e122faa914ea72a5dc3ec311ead22df58a447c860d0c5868bd5febe499 |
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font_01_sfnt_off0000e0dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0DC | 19964 bytes |
SHA-256: c2a21e89ffbbaac7c5cddf02cd6c9fd16ea4683b1e9ba488d15d813c67d1c1c6 |
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font_02_sfnt_off00011592.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11592 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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