MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to various domains, some of which appear to be compromised or disposable hosting. The presence of a 'download button' heuristic further suggests a lure to download additional content. The primary attack pattern involves tricking users into clicking links that likely lead to further malicious downloads or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://biocenfis.es/uploads/assets/file/nafinamojerivoxigeluru.pdf In PDF document text
- http://fishingas.com/userfiles/file/3210378936.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/dfc1d9283ae39937cc695d7dd5141ffe/pazafijibiviguzugelano.pdfIn PDF document text
- https://communeouchamps.fr/userfiles/file/devinoxuxezevotunexotif.pdfIn PDF document text
- https://mimpiindah2.com/contents//files/votuxameromebiwab.pdfIn PDF document text
- http://chalappuram.com/userfiles/file/xefutuvoripefojagotafojig.pdfIn PDF document text
- http://thewhitmerlawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/30328985798.pdfIn PDF document text
- http://bukharasuwanee.com/sites/default/files/file/61740166034.pdfIn PDF document text
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/a830c589bf65330d1b5d763b6484aaee/7731592559.pdfIn PDF document text
- http://hoskinspugs.net/clients/40498/File/10957609168.pdfIn PDF document text
- https://kodcomputers.ro/2664/uploads/zipitirerokabipumipo.pdfIn PDF document text
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/66c0ffc12f3e28220fb9e175fc14df31/15269710201.pdfIn PDF document text
- http://erdivigado.hu/userkepek/file/xijubatuvokafaziwawepiwi.pdfIn PDF document text
- https://www.parquesanalbertohurtado.cl/ckfinder/userfiles/files/41609525863.pdfIn PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/7a28141b4a0dbb596aa2893ac472569a/89571119673.pdfIn PDF document text
- http://tykhestudiodesigns.com/clients/7/73/7311521ca682816632878891c231d107/File/jibanikomepo.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/n6n7cld3hj3s95qh1tqsuik0h7/rajerokiwenodozinuv.pdfIn PDF document text
- http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098b138e85f2---79657795705.pdfIn PDF document text
- https://hazeloyun.com/calisma2/files/uploads/87039950701.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/pnccf02a06a7506tuj0129t3r0/wasumolotifidu.pdfIn PDF document text
- https://consurs.ro/ckfinder/userfiles/files/8615258962.pdfIn PDF document text
- http://pytextiles.com/userfiles/file/vonabomo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=electromagnetic+waves+worksheet+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_off0000bec1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEC1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d6d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6D3 | 16060 bytes |
SHA-256: 0cea1c5ead39a8e61be8690eb155ad1798a7e5912d99f9b2e244e2a80773b0c1 |
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font_02_sfnt_off00010055.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10055 | 11296 bytes |
SHA-256: 81dc13b1f9d1d1d4fce04a165f37c1994feec653aaeea913788ef6046601d8ac |
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