MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting it functions as a link farm. The presence of these links and the overall structure strongly indicate a phishing or SEO manipulation attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://principesgs.com/userfiles/file/70627006308.pdf In PDF document text
- http://acpiindia.com/userfiles/file/34729124763.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d9c4a121c0---90299784334.pdfIn PDF document text
- https://crbz.ru/userfiles/file/50878197289.pdfIn PDF document text
- https://heatingboiler.ca/fck_upload/file/75187717977.pdfIn PDF document text
- http://laarakkers.com/ckfinder/userfiles/files/99811657626.pdfIn PDF document text
- https://suma.ca/upload/editor/file/kizaxokakosisikatefefobe.pdfIn PDF document text
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c472167619---4633251109.pdfIn PDF document text
- http://venusland.vn/app/webroot/img/files/powuxegurirojuxakavafoza.pdfIn PDF document text
- http://studiofapas.it/userfiles/files/zogunefemato.pdfIn PDF document text
- https://avayemehr-carpet.ir/data/file/gazoximigev.pdfIn PDF document text
- http://chaodontuonglai.vn/uploads/ck_upload/files/mojonufefomivapireb.pdfIn PDF document text
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/efec47c8b5b7f69a1709f6af5c4c4478/13867639086.pdfIn PDF document text
- https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/1a2590b5f0264131fb64d08ee1016017/10853660554.pdfIn PDF document text
- http://klasykarozrywki.pl/public/images/fck/file/jomazilijefak.pdfIn PDF document text
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/160962ad99d8b4---buwopuxir.pdfIn PDF document text
- http://spl-designs.com/ckfinder/userfiles/files/xudutofakelifajenatis.pdfIn PDF document text
- https://ivanda-commerce.hr/userfiles/file/74449031547.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/f05m848i3c3d949tc8m6jc1427/leligutasiribijamesikuk.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=compare+and+contrast+worksheets+3rd+grade+pdf+freePDF 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_off0000cd8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD8B | 11312 bytes |
SHA-256: c0d16d8ce076107eacf61d7cda4e73e742f0f2efd41aac8ff21726ed98d4f1c9 |
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font_01_sfnt_off0000e7df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7DF | 17204 bytes |
SHA-256: 98f0ede92a8a7def8d605aa82e5556254827a9d0410f414165a5b60cb5e4283e |
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font_02_sfnt_off000114b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114B9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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