MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of creating numerous links on distinct, potentially disposable hosts, often with UTM parameters, which is a common tactic for phishing or distributing malware. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://catamma.ru/uplcv?utm_term=hiraskar+book+pdf
- http://civicwomen.com/ckfiles/files/negutozugawetepinajas.pdf
- http://cnhhgj.com/upfiles/userfiles/file/wamafamonodovikeme.pdf
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16138c0205685d---19197681943.pdf
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/0777246ebd737ac7817257e41e99a4c5/99542462183.pdf
- http://neodentpetrosino.it/userfiles/files/53281205393.pdf
- http://xn--80aaa1acmiejxr6d7fg.xn--p1ai/data/files/31378487441.pdf
- https://thehideawayresortpattaya.com/userfiles/files/jurozovipimudexowekuvu.pdf
- http://basse-normandie.annuaire-regional.com/ckfinder/userfiles/files/feduvabalefowifudeb.pdf
- http://architettosbaffo.com/userfiles/files/fosixijibiz.pdf
- https://yaofangpeixun.com/upload/files/libewakomexanebovo.pdf
- http://faradbox.pl/files/file/vuvagatoxiwokazamomo.pdf
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/38599721300.pdf
- http://ctmmaximoravenna.com/ckfinder/userfiles/files/7302272861.pdf
- https://novitas.ro/files/15216152883.pdf
- https://www.iieng.org/editor/ckfinder/userfiles/files/10425517302.pdf
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/de8873e6ae84f3a89bacb2826fbbfe76/81272674617.pdf
- https://clubelsendero.com/img_pag/file/76198583263.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/ab95be3b677ca86ec76fa893d64024ed/dijifo.pdf
- http://mictrogiang.com/userfiles/files/tekakininop.pdf
- http://baltyk.recykling-rejs.pl/imgturysta/files/wefakek.pdf
- http://vindindex.nl/images/uploads/33613933272.pdf
- http://punaide.com/userfiles/files/bajunazupixisuvujumew.pdf
- http://allgeology.ru/ckfinder/userfiles/files/rizasawaxebegisumekaxibi.pdf
- http://hanifeugur.com/image/files/67019879099.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_off0000e08c.bin52cb64753003368ba787ed9033cbb8a21e4b24503ffc365df61384f8f1a5c0e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE08C | 17804 bytes |
font_01_sfnt_off00010e86.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E86 | 16792 bytes |
font_02_sfnt_off0001269d.bind9c4d039043b69703ce2699ebe777d54d530272cdc8445d939de67ea1ff0a676 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1269D | 10332 bytes |
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