MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs pointing to potentially compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URI links and link farm heuristics indicates an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 6
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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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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://irlanc.ru/uplcv?utm_term=libro+macroeconomia+avanzada+pdf PDF link annotation
- https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/395a2f57664aee2cd312c9efc8ed0a84/dejebixuxi.pdfIn PDF document text
- http://maketmaster.ru/admin/ckfinder/userfiles/files/muzexab.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/eb5d4a696d6a624aa411bd20830bb764/58000987008.pdfIn PDF document text
- http://dotbamboo.com/file_media/file_image/file/33361910520.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a94e8f740c6---91779036131.pdfIn PDF document text
- http://buffagiuseppeinfissi.com/userfiles/files/lamixomoboweloj.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160a341f277d9a---2800141710.pdfIn PDF document text
- http://madmojo.com/fckupload/file/16839050656.pdfIn PDF document text
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/4282ab1e2ca302d50650979a427b4cb8/tutejosogavag.pdfIn PDF document text
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/47b56f3576e3c087528a026fce032276/23900127024.pdfIn PDF document text
- http://aj-logistics.com/stock/userfiles/file/78378897230.pdfIn PDF document text
- http://ahchala.com/img/file/bolanujixu.pdfIn PDF document text
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/7863265f183a16697685196f03d88798/53751634010.pdfIn PDF document text
- http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b1ee645e795---xodupoxar.pdfIn PDF document text
- http://manavpublicschool.org/manav/userfiles/file/44142644196.pdfIn PDF document text
- http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/53601641337.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/0ab408b1b09041e9c51e11f035fa9eba/gufol.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acdb6e29bc6---77955366540.pdfIn PDF document text
- http://sddshchb.com/userfiles/file/Fl202108071756205264.pdfIn PDF document text
- https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/272cf92cfea1906aeb57178d24dd50a6/64827522742.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/9c384450e1edc0f22d27ad555fc01fca/luvafawoferi.pdfIn PDF document text
- https://biothiennam.com/media/ftp/file/23869632448.pdfIn PDF document text
- https://drvishweshwari.in/userfiles/file/popasiledulumanuriras.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/c7bb9171a191fe738057222e8bcd9960/98244061778.pdfIn 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://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_off0000be4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE4B | 10692 bytes |
SHA-256: 52b9585724addd62b5a997795740e3e9eb8d46c3ddbb71f9678caa735432bf90 |
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font_01_sfnt_off0000d69a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD69A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eeac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEAC | 15608 bytes |
SHA-256: 1ef046b5235c3432cf7ad64c76932d7084c2ead9e9ed3a35b89492ce5185ebd7 |
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