MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and the overall structure indicate an attempt to lead the user away from the document to a potentially harmful destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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 http://www.bufolari.com/public/immagini/file/talopigelubiraxowal.pdf In PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c677b1bbf5b---nizodez.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160912b1decd5d---87466188092.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c279a68bc4a---71001369099.pdfIn PDF document text
- http://studiotecnicoarduini.eu/userfiles/files/nitunaga.pdfIn PDF document text
- http://hutergroup.de/userfiles/file/23769896285.pdfIn PDF document text
- https://caribemed.com/userfiles/file/41209684618.pdfIn PDF document text
- https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/bdec2260e525a7eb7fbd9cf12399dc78/koveriwewowuwuwun.pdfIn PDF document text
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/mn3giar5ns5rko1emhi2uf8u73/goxuxufajeragagoxab.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/f682c87166fbea3af7a58eeec490bbc4/7560086561.pdfIn PDF document text
- http://betaempire.com/uploads/userfiles/file/file/tagololarob.pdfIn PDF document text
- http://sochi-vitrazhi.ru/ckfinder/userfiles/files/8987497469.pdfIn PDF document text
- http://svsteinfurth.de/radsportfiles/file/22725985780.pdfIn PDF document text
- http://lycee-elm.org/userfiles/file/73873758986.pdfIn PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/5b7b6836311492afd8eb9794fcf49568/xumitikezaveniseta.pdfIn PDF document text
- http://okmarin.ru/userfiles/file/4010670913.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160959695cfe35---jasofidedemuxem.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/qqpast45uucbmdnqs93msq7tb3/ketezuf.pdfIn PDF document text
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/f3f71a6f14a26bae091a43fc8a66c66a/nazubobelowoxa.pdfIn PDF document text
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/31f9cc72e0d1b8ad238abd49d1b0bd08/zadebul.pdfIn PDF document text
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073274129832---zagagetibixaludigefew.pdfIn PDF document text
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160bda00b48205---96771038992.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=convert+pdf+to+text+iphonePDF 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_off0000e62f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE62F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fe46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE46 | 10416 bytes |
SHA-256: 8c28d4afe629a29e0c61beb47c70080af3276b5fff91df6b8c9cbd16c322cfa5 |
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font_02_sfnt_off000115d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115D3 | 17368 bytes |
SHA-256: a20e9ccd5e00d58cc15dd7dcba3a5b7033df9961d6b0f734b065eda1e22e11f7 |
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