MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm to distribute further malicious content or phish for information. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://ibnuaffan.com/ckfinder/userfiles/files/16173892523.pdf
- http://samtle.net/ckupload/files/putezegusobawawoxu.pdf
- http://pomelieagency.com/userfiles/files/sudilo.pdf
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f33f1e8d05---44050804863.pdf
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16134b71a6b07f---renodetopokupesopasilogil.pdf
- https://linkevicius.com/upload/galery/file/25613153678.pdf
- https://bamfieldrental.com/userfiles/file/28326524809.pdf
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161373c1dcc1a8---kovug.pdf
- https://kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/69619383954.pdf
- http://hattingtoemrerogsnedker.dk/userfiles/file/gemovuxujawiw.pdf
- http://xn--jt2b56wn0ap2a.com/upload/file/202109052201274298.pdf
- https://pearproperties.in/userfiles/file/28975833102.pdf
- https://247christianity.org/fckeditor/userfiles/file/808710542621630515938.pdf
- https://xcheck.vn/uploads/userfiles/file/wizeti.pdf
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/d900cc79e2d31c03713f1108602b3023/98951361460.pdf
- http://jadever.vn/Images_upload/files/26169836816.pdf
- http://dsagco.com/Upload/file/14243281069.pdf
- http://buddhavehicle.com/userfiles/file/dunerigipoxemagumov.pdf
- https://xn--80aesyq.xn--p1ai/files/file/dojumadadu.pdf
- http://cloudinfo01.smartevolve.com/images/ckeditor/files/rodoba.pdf
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132c8eb9a086---tarimobupaviwegoxodapoj.pdf
- http://huzatfokozo.hu/editor_up/jikareritolufizi.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=how+do+i+sync+my+phone+to+my+tv
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef13.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF13 | 16792 bytes |
font_01_sfnt_off0001072a.bin333121a7b739d94f62b8330c3a9f8aeefeb5cfe13d4bbf25feb30e638de2cfc4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1072A | 10728 bytes |
font_02_sfnt_off00011fa2.bin00575c903ceec71960cade34110f94d1a4cd9d9eb97fa7b1dcb37ae2fb58f3af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FA2 | 17268 bytes |
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