MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/c1536804f37741fa58babc447ecbc9dc/mirotobalerozesigip.pdf In PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e59541ed8c9---xitakuzusitawadi.pdfIn PDF document text
- http://clintonseniorhighclassof77.com/clients/e/ec/ec6cde7faca09d53f5ba1fe44cd32e38/File/zaxaxipedalerolafakix.pdfIn PDF document text
- https://lee-trading.tw/archive/upload/files/76615363969.pdfIn PDF document text
- http://niezapominajkowo.eu/userfiles/file/8135393787.pdfIn PDF document text
- http://shssailors1969.com/clients/3/36/366f78b21138e0f8005dfe6cc5e09e30/File/pukuradogubexegowugizeju.pdfIn PDF document text
- http://orourkelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/10747282858.pdfIn PDF document text
- http://agrobud.net/uploaded/file/menenizobidupemiwe.pdfIn PDF document text
- https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/408961aa8809ea6a3188e3c2d99927a3/sumageluzasinusib.pdfIn PDF document text
- https://digireg.si/upload/sasukefewesetatabenenat.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/ff3b968832922f3b0c8393701f78ca24/pigobaxelapigos.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c806a4750f---nutopojuvop.pdfIn PDF document text
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/7qco0ud1afjob2609mdad08m41/sajinutepuroxirenupejuduk.pdfIn PDF document text
- https://uzmanwebci.com/calisma2/files/uploads/bewovajok.pdfIn PDF document text
- http://challendor.com/fckeditor/upload/file/povilutewisowumunodevu.pdfIn PDF document text
- http://charivne.info/images/file/59525122574.pdfIn PDF document text
- http://ibtaker.ps/userfiles/file/17568946544.pdfIn PDF document text
- http://pajurioverslas.lt/ckfinder/userfiles/files/bidevoravipewaj.pdfIn PDF document text
- http://amphorabeautyclub.com/campannas/file/86069583653.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/aeaa3a9e6148fd2ccbf8f50302744b52/boliladaxafujapu.pdfIn PDF document text
- https://autoteam.in/ckfinder/userfiles/files/vomimupepafadonokofavej.pdfIn PDF document text
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/8da5ebe2502aca3f02bf9ceebaab8602/39665417878.pdfIn PDF document text
- https://etre-cheval.fr/Applications/MAMP/htdocs/etre%20cheval/news_pix/file/lobomavuzunin.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/po3hdhn47d37vvmmh4f9bkk9pl/76164349806.pdfIn PDF document text
- http://travelci.ru/ckfinder/userfiles/files/xuxidotopisogoxe.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=high+quality+movies+download+in+tamilPDF 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_off0000fdbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDBC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000115d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115D3 | 11100 bytes |
SHA-256: ea5b2a58ea22c7bb948fcf2cd0beedc1b7ff9332311a8d6b61f9529ab1636290 |
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font_02_sfnt_off00012f09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F09 | 16828 bytes |
SHA-256: 5f6dd8dbe372e2b73dbe2e0fc1edae97fb952a3b25c462d133644cc7bcf610d2 |
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