MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was identified as malicious by a ML classifier and ClamAV, and exhibits characteristics of a link farm. It contains numerous URLs pointing to compromised CMS upload directories, which in turn host more PDFs. This suggests a multi-stage attack where the initial PDF serves as a lure to download further malicious content, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/32bba2470dff6032370934bc1764d762/9842946883.pdf In PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6a3fe7523b---datevipuzufaxegixiwu.pdfIn PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/7c5d0ab0bb4782bd605a0d19dbc2bea8/46899719349.pdfIn PDF document text
- http://zuche0551.com/upload/file/31629218135.pdfIn PDF document text
- http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607524dab1340---66283917153.pdfIn PDF document text
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/t0t72td2aq36ocavbsqrvhco8f/simugu.pdfIn PDF document text
- http://www.chatanakonci.cz/userfiles/file/pevapojemexosesozowufib.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ad81f453783---busojib.pdfIn PDF document text
- http://padgettlawreunion.com/clients/79772/File/vawujapabonekapof.pdfIn PDF document text
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611b028ae8bf4---53720900759.pdfIn PDF document text
- https://tasteadmin.com/ckfinder/core/connector/php/custom/wysi_uploads/files/56770247572.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a3fdb92fd40---jizit.pdfIn PDF document text
- https://thedestinbeachhouses.com/wp-content/plugins/super-forms/uploads/php/files/71a7939abfe634ada51cc35d49e8795a/42180253504.pdfIn PDF document text
- http://bighost.vn/uploads/userfiles/file/53689666339.pdfIn PDF document text
- https://szallas-karpatalja.com/upload/rekotovapukuxagegowepepil.pdfIn PDF document text
- https://tahubunting1.com/contents//files/ratotufipux.pdfIn PDF document text
- http://vallovin.it/userfiles/files/fefubuposimigarozu.pdfIn PDF document text
- http://dalaichau.com/files/97203569877.pdfIn PDF document text
- http://criminisiepartners.it/userfiles/files/1980178250.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609b57cbe987a---72785512079.pdfIn PDF document text
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/395bdd2794440824ab5b917743d12325/65478905066.pdfIn PDF document text
- https://birutelorasin.com/contents//files/gojinegutexal.pdfIn PDF document text
- http://hotelbelleepoque.bg/userfiles/file/suzipoj.pdfIn PDF document text
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1610e45a09f9a8---mufesuzizedudebixuzogivej.pdfIn PDF document text
- https://swagath.co/new/ckfinder/userfiles/files/86949005802.pdfIn PDF document text
- http://podlahyadvere.sk/editor_uploads/system/files/vametulerewusikunonud.pdfIn PDF document text
- https://bnbcostaverde.it/userfiles/file/83108137620.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=thuppakki+full+movie+download+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_off0000f0c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0C5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000108d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108D7 | 16816 bytes |
SHA-256: d912ca2ee9deaf99a1a5351b25287178c70960ea71a5dce36eeed0456f6c7351 |
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font_02_sfnt_off0001349e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1349E | 10800 bytes |
SHA-256: fd56f235da34e8e3f1f01e8e6e200bbef6d9821b04f72ff014b898a6a02c0263 |
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