MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to compromised WordPress upload storage and other disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of a 'download button' lure further supports a phishing or social engineering attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://reitinguok.lt/userfiles/file/33266397905.pdf
- http://lukoilmarine.com/ckfinder/userfiles/files/47381374660.pdf
- http://thunderstar.cn/userfiles/file/20210906051318537392475.pdf
- http://apexibd.com/uploads/fck_uploads/file/50121321.pdf
- https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613eb8642c20c---felizepagapufogojinuwode.pdf
- http://sadiqandsons.com/userfiles/files/mepakederuwejatik.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141c11e25dca---46846686981.pdf
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140d461239cf---27461037070.pdf
- https://lolakarimova.uz/ckfinder/userfiles/files/jofezozuvikaxobijuwobig.pdf
- http://apsons.eu/files/file/wixonavezebedixikozetovum.pdf
- http://www.lbtfilm.com/uploads/files/17727215791.pdf
- http://thegioixedap.net/upload/files/74324827445.pdf
- http://savvyais.com/userfiles/file/63871552966.pdf
- http://lotusromeo.fr/app/webroot/files/userfiles/files/nivesimajerojowu.pdf
- https://laptopserwis.com/app/webroot/media/files/75379644552.pdf
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/292c862d70060fd02e49fdc48e6cfb8f/81854472678.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/161393d6debf14---91009618863.pdf
- http://www.anaja-inter.org/public/file/89246977065.pdf
- https://kiptep.ru/file/97267911569.pdf
- http://esen.life/userfiles/file/ruvebetupumigib.pdf
- http://windowsplusllc.com/ckfinder/userfiles/files/bowek.pdf
- https://satbietthu.com/luutru/files/xirutedalitijexapepe.pdf
- https://seedcambodia.org/htdocs/cljr/data/files/75571934205.pdf
- http://alhambra.kopanramen.com/uploads/files/papajufifo.pdf
- https://xn--80aaijzh9b.xn--90ae/documents/file/65850273256.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/afb3e06de18eef0035af3c2618792451/56151554249.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=tubemate+apk+download+2020+version+free+download
- http://cluster006.ovh.net/~greeters/namur/ckfinder/userfiles/files/15082416342.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_off0000e36c.bina69f1843c7fb2f8071e97b1792f06cbe0cf2444d5a1a302d3f56a5dae4ea9b30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE36C | 19420 bytes |
font_01_sfnt_off00011560.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11560 | 16792 bytes |
font_02_sfnt_off00012d77.bin34de34d96d41d46877466d433c68328258ec87ebd79864c533cf61928dcfb5e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D77 | 11348 bytes |
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