MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan distribution attempt. It contains numerous external links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and appears to be a lure related to a book download.
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://archism.ru/uplcv?utm_term=il+gattopardo+libro+completo+pdf+gratis PDF link annotation
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/26b0856e381d5fd8c68cb021e088a84d/90423429726.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/1c50e3e8596e31df64edd307ebaeb708/kakuzetedukib.pdfIn PDF document text
- https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/0d896c2bb9909e64fc7742c7dd1ae12b/vokaposez.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a3ea724f1b8---68856871315.pdfIn PDF document text
- https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/a22b14caf8e37294a100d02c6b64144f/78817777732.pdfIn PDF document text
- http://www.ecostroyservis.ru/File/bikogifexe.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608b44bf41d0e---80667909589.pdfIn PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160984835713f0---sonowozezofisojuzuvikibif.pdfIn PDF document text
- https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/c17f63d66b74d148c08eb2380da4cd77/mepofitonufegador.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608deeab88488---liwuxixagubupawumivurezos.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075349494b5c---sinifufivujerori.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1d480c481---10001726421.pdfIn PDF document text
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608380199b2ef---zurulasadakawofo.pdfIn PDF document text
- http://netinflux.net/userfiles/file/82914423067.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
- 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_off0000d989.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD989 | 5552 bytes |
SHA-256: 157da9ea85942176dcc157d9183819ff50395f436c346fcd4a308eaafd378ef5 |
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font_01_sfnt_off0000ec53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC53 | 12692 bytes |
SHA-256: a2c25fdaf6bfc49e807e62cbc6a24eb22ffb5ada699febb1b212fb1b3bbc133d |
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font_02_sfnt_off00011360.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11360 | 16204 bytes |
SHA-256: e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15 |
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