MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://infrive.ru/uplcv?utm_term=jio+music+app+download+caller+tune
- http://akicgiyim.com/userfiles/file/sekopobivelag.pdf
- https://legouic-peinture.fr/userfiles/file/90806147364.pdf
- http://botosani.ro/img/uploads/file/gulobamipora.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/r2mt8cutnul5pp0gblqibg2sv3/50474877113.pdf
- https://beysukonaklari.com/ckfinder/userfiles/files/fugamumuwexuvemumupix.pdf
- http://imoroz.by/upload/file/20497640408.pdf
- http://elverum-revmatiker.no/images/file/tigudivu.pdf
- http://razzledazzleevents.in/userfiles/file/51679011790.pdf
- https://aildf.in/userfiles/file/44504299676.pdf
- http://tucholainfo.pl/userfiles/file/kopilibetuwe.pdf
- https://insinkerator.us/images/uploaded/file/66788120608.pdf
- http://gopherandsquirrelcontrol.com/admin/images/file/tubonaturaxapaberarosomo.pdf
- http://fiumaradelsossio.it/userfiles/files/jupij.pdf
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ad84218891---subiwolobav.pdf
- https://guanlai.tw/uploads/files/202109102312133238.pdf
- http://arisutour.com/ckupload/files/82609347279.pdf
- http://ejmk.com/ej/upload/files/53678261003.pdf
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1613930731ff6e---75256323440.pdf
- http://malovanesklomh.cz/images/file/89718929565.pdf
- https://cottingham-group.com/cufiles/files/71257079967.pdf
- https://alhurwallpaper.com/Files/files/35074709401.pdf
- http://gima.ge/admin/ckeditor/ckfinder/userfiles/files/96215504712.pdf
- http://blpest.com/UserFiles/file/pabofawixonemasuw.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/vol77q644dnsktfos9lamegim1/52273579078.pdf
- http://vhktn.at/images/content/files/dewizu.pdf
- http://newtrichur.com/userfiles/file/31275055048.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e9f6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9F6 | 16792 bytes |
font_01_sfnt_off00010208.bin4d36b6112d67e781e66732560df442176b4a137fc748bf9d4d8206b7efdbe5cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10208 | 17964 bytes |
font_02_sfnt_off00013099.bineac100781daab0f330d179f3be99babd906eba76a4c5460fa3af4019c1be35b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13099 | 10852 bytes |
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