MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious or phishing content. While no scripts were directly extracted, the nature of the embedded links and the 'link farm' heuristics point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9886
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://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085e4fddcfb1---15050386951.pdf In PDF document text
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/dd6a0bfca9179db2d8a2bd82e8b81428/63551230593.pdfIn PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/8456ec08f4f50eccb196397e63e96d67/99415693061.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c19e1b02d46---31860113983.pdfIn PDF document text
- http://agnieszkapawlik.com/userfiles/file/51927800690.pdfIn PDF document text
- http://uticachemical.com/files/upload/files/jimixevonolikuxawixepu.pdfIn PDF document text
- https://autoandtruckrepair.net/nbloom/fckuploads/file/pexemu.pdfIn PDF document text
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160aa9f124a44b---92620790063.pdfIn PDF document text
- http://alpanelektrik.com/depo/sayfaresim/file/pajovoxovurefavatebewilu.pdfIn PDF document text
- http://toonesk.com/upload/lajulokonijono.pdfIn PDF document text
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f9cb989e86---81731627291.pdfIn PDF document text
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160ade73e8af73---59402633895.pdfIn PDF document text
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/61f2f5d9765eb71d6ca2155621bc6132/35856283426.pdfIn PDF document text
- http://barcelonasixtytwo.com/userfiles/file/nikifejino.pdfIn PDF document text
- https://deniz-sogutma.org/img/userfiles/file/35353923359.pdfIn PDF document text
- http://americanpetrochemicals.com/customers/CMS-IMAGES/file/ponosaxorib.pdfIn PDF document text
- http://allmedicus.com/userfiles/file/tofonipifen.pdfIn PDF document text
- https://havanic.com/cache/fck_files/file/bopebenibiz.pdfIn PDF document text
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ecdc03d711---degedadonalavo.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb6a8a61e6---jiforamogalixixibibalil.pdfIn PDF document text
- http://rayanchem.com/d/files/vegotuwasimovinoxekopuros.pdfIn PDF document text
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607e8326c40c2---rosiwadowi.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bcc2a9fb6d---nexememejebumezulapij.pdfIn PDF document text
- http://businessplan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/68165119568.pdfIn PDF document text
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/q56nrhl85cqmj1aedpk3qb6gt1/bonupiwipibowejos.pdfIn PDF document text
- http://tahi.hu/ckfinder/userfiles/files/putererila.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=peridot+meaning+in+the+biblePDF 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_off00015a8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15A8C | 17720 bytes |
SHA-256: e499b3257fa5796b7d201dbe3e7ed9fd63a3327532d882efbe1fce3ff0008a1b |
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font_01_sfnt_off0001889c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1889C | 10668 bytes |
SHA-256: 37d43694958c2dfe88eddf0be2b3690c8cb45a67246a56655c37800f25b1e211 |
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font_02_sfnt_off0001a08c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A08C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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