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 a machine learning classifier as malicious, specifically as a phishing or trojan. It contains numerous links pointing to compromised CMS uploads and disposable domains, suggesting an attempt to redirect users to malicious content or downloads. The presence of a link farm and the use of compromised hosting indicate a phishing or scam-related attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://oniceh.ru/uplcv?utm_term=the+l+word+free+download+season+1 PDF link annotation
- http://celcg.pl/uploaded/file/vevizola.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/gq983gclngh6ouai3evc4qhg32/52288650100.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/n35hoitknbf90l1hu55d47p42b/63990727012.pdfIn PDF document text
- https://anukulagrotech.com/userfiles/file/numalifokajonutoram.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b950a0c59fd---sizeriduwax.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f60cb080fb---30347953897.pdfIn PDF document text
- http://ingmontagna.com/userfiles/files/puputotulikovowul.pdfIn PDF document text
- https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/cammpe9gme2enur8si7o3qpuf5/xezinitasonarudezasujuvo.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085725a92f57---89366309253.pdfIn PDF document text
- http://asiadomainstore.com/userfiles/file/badabufixefasol.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/l0s5k862pc3el2acj0jqmdnnfe/mopasijakeremulezuwogar.pdfIn PDF document text
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/7b9q34k0j31766nga7af5fgl75/24340219959.pdfIn PDF document text
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/8b5a21505a69e7b51324bcfdc5265bd4/30129175804.pdfIn PDF document text
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/ggilijjohl7ujksbdatd5o6vr4/10131032960.pdfIn PDF document text
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/c69ug517p5g3brng9l442qhtoo/59697062879.pdfIn PDF document text
- https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/61ea771abe0156b841a2ea3532657f54/juzavojisodinilipenopowu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f895.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF895 | 5088 bytes |
SHA-256: bf7483cdedb760f2be61974c20f5d071173b721636e0f7c148dc23ab531f6603 |
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font_01_sfnt_off000109f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109F5 | 10716 bytes |
SHA-256: eff0781204cfd1b91de0249c6f4ca8aeb102e504b795e1e861fbb824cf3be257 |
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