MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting it functions as a link farm or phishing lure. The document body, though heavily obfuscated, contains references to 'mobile signal booster' and URLs that appear to be part of a link farm designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://inwebjor.ru/uplcv?utm_term=how+to+install+mobile+signal+booster PDF link annotation
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16079d86b236f2---73160421066.pdfIn PDF document text
- https://stayatrosetta.com/wp-content/plugins/super-forms/uploads/php/files/8om2s1mp4cntp5ho17l3v8273s/xenipiboxunul.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e3ddb83a65---lelamajurugamaxovidefix.pdfIn PDF document text
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/e6567f5a4b166d78c2652c09d8eed62f/74352319179.pdfIn PDF document text
- http://portalcom-b2b.es/img/user///file/_0381782001619806759.pdfIn PDF document text
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160768a6dc68f2---48718960663.pdfIn PDF document text
- http://arcomproltd.com/userfiles/file/pavanusuredaliwevog.pdfIn PDF document text
- https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/511a51bfbbd9a3ae96d1c9265a511127/wixukem.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/81c5bf8dc81109330788aedb5a5304f4/vukevojemasunu.pdfIn PDF document text
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/q74d9aojgnlfsfj4v3c66vkdlc/wuwomagomefelopimuwejo.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/4c1b8641502dc1c971e46b49f1ae9d4d/66788469874.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609691766bdec---49911367883.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d7ae9a8fbb---namonadufijagoka.pdfIn PDF document text
- http://vencedor.coop/images/admin/file/74412672579.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088aa54ba4c1---kigerudujub.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d121.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD121 | 5200 bytes |
SHA-256: 4e01c079a7ac7c6adf3433fecb5ed32e949469847b8ddd14a46f28a81f6a083f |
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font_01_sfnt_off0000e2ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2CA | 10444 bytes |
SHA-256: b43c384f07580e1cffde51735dbc5dab97c08505a76d2b1c711e3ad2fc1e42a8 |
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