MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised websites and disposable hosting domains. This pattern suggests an attempt to distribute malware or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9733
Heuristics 6
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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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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://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/d4e682cdc3dd2fbc0b31cb47c9e87a3c/9615343912.pdf In PDF document text
- https://alihuata.com/userfiles/file/vanososesupukav.pdfIn PDF document text
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/84c586ca1bd6a58866f963de5f8fdd4b/vigonatebor.pdfIn PDF document text
- http://imailbox.nl/images/uploadedimages/file/tufomawusef.pdfIn PDF document text
- https://kar360.com/resimler/files/17307764432.pdfIn PDF document text
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/1ac374478743f165de70ac2dc09d5b68/82530234165.pdfIn PDF document text
- https://thesaddlebank.com/wp-content/plugins/super-forms/uploads/php/files/o08qqh61rujg3mmob3dkmvmcol/lubem.pdfIn PDF document text
- http://xoblates.com/clients/e/e0/e08cfb93fb97b00c28394d0532709dc9/File/54228343545.pdfIn PDF document text
- http://librojuridico.com/aym_images/files/30467639719.pdfIn PDF document text
- http://whkmradio.com/userfiles/file/zamudunewofixesataje.pdfIn PDF document text
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/2b4ffe610c4a44177b3b396abb32e487/nelirawewilojub.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092607eb0470---sawir.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/72713934233.pdfIn PDF document text
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/3585443f9e69fb26a5f9f952be713d20/1421561771.pdfIn PDF document text
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/vp3d7nj3bj2t6uel3uthnkiht3/baredu.pdfIn PDF document text
- http://hubbardfamilycircle.com/clients/62940/File/13350394004.pdfIn PDF document text
- https://xlspandoek.nl/userfiles/file/51572912434.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085dafd5725e---zigepozotaparuje.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/e095f4dd86afb6170cadc36e1ecc65e2/48557926021.pdfIn PDF document text
- http://akinmedikal.com/uploads/file/30255744130.pdfIn PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bd3162df73f---2183388589.pdfIn PDF document text
- https://abugfreemind.com/userfiles/file/79950345994.pdfIn PDF document text
- http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160a3fcd16bfe0---24728633964.pdfIn PDF document text
- https://ngonluathan.vn/images/ckeditor/files/jopakafinoratewuperozut.pdfIn PDF document text
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/160e00eafc16fe---78289448910.pdfIn PDF document text
- http://carnavaldemarbella.com/Senegal_5/Content/files/userfiles/file/ziwijeruxivafupixikesa.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=engineering+properties+of+soils+and+their+measurementPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ffbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFBB | 11028 bytes |
SHA-256: ab75ab0d7233c9a6736b8bf500428e571e90a02a60900d6dd8d3f888067c7077 |
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font_01_sfnt_off000118f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118F0 | 16772 bytes |
SHA-256: 2b27f7b2e650661bdea486bb8ffb7205513a3cc97f8484e4c8c6c0ba3ee77999 |
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font_02_sfnt_off0001311a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1311A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off0001492c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1492C | 17604 bytes |
SHA-256: 0b52325be85e4de4e5b3eecda272538fc791672b8e01b9fe09c571466a924414 |
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