MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous links pointing to compromised CMS uploads and disposable hosting, suggesting it functions as a link farm to distribute malicious content or conduct phishing. The presence of external URIs and link farms indicates an attempt to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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://inwebjor.ru/uplcv?utm_term=drop+dead+gorgeous+in+spanish
- http://allamericannursing.com/userfiles/file/44207326727.pdf
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/e90c0c4facfbfaf5c54d6a946df3a831/66896448825.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608f806bb5018---85198478521.pdf
- https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/12bea302744484393a310600b3fa7f98/fifamiziporagukegoxom.pdf
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/k3njq79amebunnn9ld620dpa1j/25389212180.pdf
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab2f742c468---vogajup.pdf
- https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/vmjar9sn6d0cip00sru7jlihhn/vezerasovuwarut.pdf
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d620e7397ba---80412876519.pdf
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/1nccvp7d8cv2t7fv4lvstjdml0/juwijepozuneli.pdf
- http://sobinco.cz/ckfinder/userfiles/files/3651328137.pdf
- http://novichiha.ru/pic/file/pebisa.pdf
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16070685c27c37---norofotoku.pdf
- https://amitadevnani.com/userfiles/file/30766166309.pdf
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/lda2dj7vjkk4ud12ish7pm3b41/kevupinusijako.pdf
- http://ridendo.cz/files/file/zufuvonekudazi.pdf
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7abd6d0301---gavefinuzeseni.pdf
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa1f94ec84---jumukojuno.pdf
- https://itracmediav5.com/ckfinder/userfiles/files/kokosuvebiwoxiguximinusiz.pdf
- http://servmed.net/userfiles/file/zenodisunozuk.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec10.binc2071aba6839a394ffb5ab6eefcb4567e9120daef7595931e53fb831f7da4dd6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC10 | 17164 bytes |
font_01_sfnt_off00010570.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10570 | 16792 bytes |
font_02_sfnt_off00011d87.bin16577dd2ba7ba3b3ae5da54758f19180d6d4192b5f9c88614e01c2f1b505788e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D87 | 10628 bytes |
font_03_sfnt_off00013573.bin25cf6db1f2410b6b37c8328e5d8045c39ee94332211c8ff87edeecd84a95ca69 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13573 | 19276 bytes |
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