MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a large number of links, many pointing to compromised WordPress sites and disposable hosting, indicating it functions as a link farm. The embedded URLs suggest an attempt to direct users to potentially malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.5210
Heuristics 5
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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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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 http://dainichiji.com/upload_ckr/files/35489790731.pdf
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/45c47c25a82b9625cc2ce3016295874b/44450958786.pdf
- http://palaciodelosnavas.com/userfiles/file/6306519623.pdf
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607e830a682bc---17828887280.pdf
- http://qianlong99.org/ckfinder/userfiles/files/40557226020.pdf
- http://ahcxdq.com/uploads/file/031711542537.pdf
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16125552b37252---fafafesubod.pdf
- http://baruraprotidin.com/assets/ckfinder/core/connector/php/uploads/files/93514230030.pdf
- https://www.colours-of.com/wp-content/plugins/super-forms/uploads/php/files/6p2qn77s33g0qv5iee3e8ncu2u/fiwomamosejakidunutitoj.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608057e9844a4---13786613517.pdf
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1dd49bb2a8---zevewajukofiz.pdf
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1611455a658fc9---34211345085.pdf
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/nuoeo2kd972eahfvks1oggqibv/popeseganefinuxuzowa.pdf
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/71406ea175573deba1685f9c19f11513/pewisufupesiketijeworoz.pdf
- https://hongmao.tw/uploads//files/202108040037433923.pdf
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160b6161809d30---20671977713.pdf
- http://nhatrangpalace.vn/app/webroot/upload/files/gepawomiz.pdf
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098317245693---kozuk.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16126935a21454---jitilonoza.pdf
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/4bfuq83cp3pie7ri6ra87ce8o0/telumi.pdf
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16095b480954f7---bajifofejarizokexen.pdf
- http://schokozentrale.de/idata/63497057100.pdf
- https://infiniteprospects.com/FCKeditor/file/15584440503.pdf
- https://www.seblocation.com/ckfinder/userfiles/files/65284481309.pdf
- http://akkoryazilim.com/userfiles/file/xebuvanuzumujasemevi.pdf
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/f7dc4abccc96fb675de895eb466d311e/47159386377.pdf
- http://beloezoloto.ru/userfiles/file/7486246465.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=stop+check+coolant+service+manual+skoda
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001027c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1027C | 16792 bytes |
font_01_sfnt_off00011a93.bin7cdc0dda9ed6ba0dd673e1cad128b7a334964d22bb0d092b951ecff189a04523 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A93 | 11112 bytes |
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