MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution attempt. It contains numerous embedded URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is unreadable, but the heuristic firings strongly indicate a malicious link farm attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1613f55c37e939---74995473633.pdf In PDF document text
- http://agriturismolionsfarm.it/userfiles/files/wubebexisaxujebelogomawe.pdfIn PDF document text
- http://studiodebiaggi.eu/userfiles/files/68979007024.pdfIn PDF document text
- https://doctorchina168.com/upload/files/rizovaku.pdfIn PDF document text
- http://ajivikafinance.com/userfiles/file/tejagofigikasumumamepe.pdfIn PDF document text
- http://onelove.cz/file/44597891042.pdfIn PDF document text
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140457655ed8---20892005552.pdfIn PDF document text
- http://dymenahealthcare.com/upload/fckeditor/file/14917943815.pdfIn PDF document text
- https://egyiksem.hu/uploads/file/sanefasodiged.pdfIn PDF document text
- http://krasneclanky.cz/uploads/tivagepepamemakizedefutov.pdfIn PDF document text
- http://mlsy.cz/images/file/files/vefodenetonowevufizuvom.pdfIn PDF document text
- http://bahtiyardishekimi.com/fckfiles/file/bidojawo.pdfIn PDF document text
- http://clinicaveterinariabilancino.it/userfiles/files/zalorisibipirelegizemek.pdfIn PDF document text
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/3223167b61b2726350eb486f9a5abd1a/xubajefasapiwopeg.pdfIn PDF document text
- https://theptaynam.vn/upload/files/mirepujogetojoze.pdfIn PDF document text
- http://suachuamaydemtien.biz/userfiles/file/9940178460.pdfIn PDF document text
- http://anaminfo.com/attachfile/file/12655438885.pdfIn PDF document text
- http://taxicityplus.ru/userfiles/file/laxonawafawosekutozoko.pdfIn PDF document text
- http://spbmedax.ru/sites/default/files/uploads/mitakupamotegimoz.pdfIn PDF document text
- https://viboot.com/ckfinder/userfiles/files/pifekekezavomowigutogo.pdfIn PDF document text
- http://npcbalkan.net/ckeditor/ckfinder/userfiles/files/baxuwejutepugusibivavin.pdfIn PDF document text
- http://xn-----6kcaheblih5ab0a6afqbzoqe.xn--p1ai/ckfinder/userfiles/files/61740674441.pdfIn PDF document text
- http://www.coverseg.com/uploads/ckfinder/files/4776934671.pdfIn PDF document text
- https://jewfri.kr/files/image/files/51044182056.pdfIn PDF document text
- http://theseadiaries.com/ckfinder/userfiles/files/48857979808.pdfIn PDF document text
- https://nls.vn/upload/files/44183350098.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=vlc+for+android+boxPDF 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_off0000dfb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFB1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f7c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7C3 | 17748 bytes |
SHA-256: ecfd3e7166e7e0185f70a452cecf0754ff184734a98c2297ed419d3072352e64 |
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font_02_sfnt_off00012668.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12668 | 10284 bytes |
SHA-256: 7e28ed2738252c359d7177547264809ac73ae2330937f0b86d643af6dcb0f044 |
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