MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The document contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm to distribute phishing content or malware. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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=ccna+cyber+ops+secfnd+210-250+pdf
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607065b4455d8---wuriwaxadujowotovusigubim.pdf
- http://playbabydoll.com/userfiles/file/87157776522.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608da6e8193f3---kifipinuzewizifizibupato.pdf
- http://esangsok.com/upfile/files/rukaputozokoj.pdf
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609f6dd2800d5---vasaxirutarusejiloxofo.pdf
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160d4c85b69e43---38379145888.pdf
- http://globeksa.com/ckfinder/userfiles/files/bemijuladubuzulipinoxiri.pdf
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/b580923f78d68f952b175d19eeb44163/26485497060.pdf
- https://kme.pl/global/app/webroot/uploads/file/16306312535757.pdf
- http://aite-materials.com/upfiles/file/dolekebenazizaxakuda.pdf
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/160872d5e58710---97444165334.pdf
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1608579f55be2f---73120948203.pdf
- http://syarmarka.ru/userfiles/files/91217451699.pdf
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd3b50b80ab---43756900312.pdf
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075cc8ac5d14---8908197332.pdf
- http://www.lebedosapartotel.com/data/yukle/files/boxaxinesazenurozeki.pdf
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/16083592f54d8c---95293695557.pdf
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/1606fb114f41ba---30745192761.pdf
- http://opuspointpartner.com/ckfinder/userfiles/files/vekigekiwopuborufilin.pdf
- https://pianotuningdarwin.com/userfiles/files/22362195978.pdf
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/59d625c3222304b4cd342eeb16e06299/99279644856.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_off0000b2ff.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2FF | 16792 bytes |
font_01_sfnt_off0000cb16.bind45dac0c0328993396f4249ed7452e29ca49967932d56c48fea76fe6f1e03bab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB16 | 11124 bytes |
font_02_sfnt_off0000e522.bin1455dcc68f5f9e2ffda06e7c969146f649f4ae250b854b9143c0284b0bb5d6be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE522 | 16564 bytes |
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