MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting. The primary IOC is a URL hosted on a compromised WordPress site, suggesting a lure to a malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613f17d74330f---35242912816.pdf In PDF document text
- https://energiadirect.pl/application/resources/ckfinder/userfiles/files/dejemuramovuwivatigepi.pdfIn PDF document text
- http://shangyi-pump.com/uploads/file/120534209420.pdfIn PDF document text
- http://wronba.com/uploads/wysiwyg/file/degabuxajawozumugejabe.pdfIn PDF document text
- http://bastola.org/userfiles/file/durataludawokoterim.pdfIn PDF document text
- http://homokkepek.hu/editor_up/60906359522.pdfIn PDF document text
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1614285c36f5da---70586143477.pdfIn PDF document text
- http://apismorava.eu/docs/72619261575.pdfIn PDF document text
- https://kfk-dekoration.dk/images/uploadedimages/file/63326754051.pdfIn PDF document text
- http://floral-design-lindgens.de/userfiles/file/50007058254.pdfIn PDF document text
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161377b5624311---14834022842.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/kcem19bvgo18sj6aid0cdlioi5/wugunib.pdfIn PDF document text
- http://kojeneckezbozi.eu/userfiles/file/lonizikulizudobofamalur.pdfIn PDF document text
- http://abwhopewell.com/uploads/files/tadatojirilotewatovoxegez.pdfIn PDF document text
- https://comptables-publics.fr/userfiles/file/85764284471.pdfIn PDF document text
- http://rungrawin-itt.com/userfiles/files/zugeludajodivefajo.pdfIn PDF document text
- http://lltsg.com/uploadfile/file///2021091112114994.pdfIn PDF document text
- http://tivati.com/uploads/userfiles/file/lovopuzudajaludujexuvuxuw.pdfIn PDF document text
- http://studiotecnicopinto.it/userfiles/files/wufuzebesekoropefe.pdfIn PDF document text
- http://aaz.sk/editor_uploads/files/21406409133.pdfIn PDF document text
- http://auto4-spb.ru/public/images/ckfinder/files/sasagovav.pdfIn PDF document text
- http://jun-travel.com/userfiles/file/purubiwog.pdfIn PDF document text
- http://hypotekaprezamestnancov.sk/res/file/42348756877.pdfIn PDF document text
- http://ch-bovi.com/upload/files/37187209360.pdfIn PDF document text
- http://studioesflores.pl/obrazy/file/23173743323.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=ppsspp+offline+games+for+androidPDF 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_off0000f0db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0DB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000108f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108F2 | 10744 bytes |
SHA-256: 021c30ebe47be288f94d2bae62f463e30016e84e3abdb5425dd6392813fb1f9c |
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font_02_sfnt_off0001215b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1215B | 16904 bytes |
SHA-256: 7ce1c4710571b78ff5a0e6bbc3335d5f1a4729fd44823032799c189c99ec9be1 |
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