MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised CMS uploads, suggesting it's designed to redirect users to malicious sites. The presence of numerous unknown URLs further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/2t27t3j8i1vqe9lt0vc03spp57/fagilofizij.pdf In PDF document text
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb3036e9a4d---rulakuwonidoganogiwumi.pdfIn PDF document text
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/hkdpb1o1rvnb7fn3shgtophm0i/zobusufele.pdfIn PDF document text
- http://rallyteamwalraven.nl/file/badudobogetapugaxis.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/as775f97tqkpk5i39cki5v1jug/satisurikudategusamewidop.pdfIn PDF document text
- http://bioscipublisher.com/files/upfiles/file/xupexezu.pdfIn PDF document text
- http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a14c966f5be---fubesisagexivone.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16075d642bd260---mafulonilixewi.pdfIn PDF document text
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/1608fc45529ffc---68761052395.pdfIn PDF document text
- https://fertilizerproductionprocess.com/d/files/godikenuvemokeneresegale.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/2697fc759559c7f78a6c9c571418dfa8/niwubutekifowofefobew.pdfIn PDF document text
- http://xn--80aaffebba2apgigwiiececnggk9e4k.xn--p1ai/pict/file/77295704513.pdfIn PDF document text
- https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/ee42dc4c1662152335c76c830470643d/tinugozalelodutadojow.pdfIn PDF document text
- http://architettobotteonpierpaolostudioabacus.it/userfiles/files/resixinan.pdfIn PDF document text
- http://jjburgerut.com/uploads/files/koriborinirar.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072abdf31715---31145679605.pdfIn PDF document text
- http://knuhpharm.kr/userfiles/file/20210804122921.pdfIn PDF document text
- http://intertravel.hu/_user/file/10455052532.pdfIn PDF document text
- http://cssh.es/img/file/46919123916.pdfIn PDF document text
- http://vantaibactrungnam.vn/upload/files/18811359073.pdfIn PDF document text
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/2qd6b1lc82g8uoo3tvt2timoet/luranupur.pdfIn PDF document text
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b978e099f42---fesurogedawed.pdfIn PDF document text
- https://koratspring.com/upload/file/pumodamazerepil.pdfIn PDF document text
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/6d1b69e3c364f119c9828947fe0d53d6/34380037421.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160d8e35c6a837---27286692628.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=nuevo+himnario+adventista+cantado+completo+mp3PDF 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_off0000dce0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCE0 | 11096 bytes |
SHA-256: bf13b3b1195c5ba6a5c261008292807dd72b43810f5e1a4b4fb9d7d3347c5905 |
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font_01_sfnt_off0000f696.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF696 | 17676 bytes |
SHA-256: 816e7eb702cd2e63e8aa8d369cfaf3ed44b840a85f225fa20625662362d84146 |
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font_02_sfnt_off00012398.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12398 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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