MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating it is likely a phishing or trojan delivery mechanism. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a link farm designed to redirect users. The presence of multiple PDF link farm heuristics reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.7679
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 https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/9b0691c89a96c677ec80e2bb9792e147/32489129683.pdf
- https://balajitutorial.com/admin/userfiles/file/vawoses.pdf
- http://dui-antidote.com/images/userfiles/file/zebekunakuruvu.pdf
- https://ppuhperspektywa.pl/files/edytor/file/50092201783.pdf
- http://www.maderas-navarro.com/ckfinder/userfiles/files/dobolumukomamize.pdf
- http://michalbaryza.pl/ckfinder/userfiles/files/vumopetipedozupusuxuzenat.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/eecfb9b9dc46b0f559c8f4db8f7ce2ab/zeruzovik.pdf
- http://kochamsushi.pl/UserFiles/file/87968424763.pdf
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/2583eeac191a32a808e173cf31f96a6d/82184253525.pdf
- http://a-pluset.com/userfiles/42507337166.pdf
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/5d3893d24c90d0d6a9b64bc59e179d10/56188446926.pdf
- http://pphu-joanna.pl/fckpliki/file/37890924328.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6845c65d65---girafotuko.pdf
- http://blessingsngo.in/userfiles/files/91280751570.pdf
- https://bacninhonline.com/webroot/img/files/19736995933.pdf
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/e1a5109803cf8c04157de5317fd10086/tapafakolipaxoso.pdf
- https://cambodiaangkorhomestay.com/userfiles/file/26965579386.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16076da0c03425---37955843149.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c8945f31031---pigojetizeziwonudeso.pdf
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9bf9cea652---lijowu.pdf
- http://dotacjedlaoze.pl/userfiles/file/wazoterimexu.pdf
- http://mitsubishilongbien.vn/images/ckeditor/files/75414838397.pdf
- https://avigailpekelman.com/sites/default/files/file/marejekedefanura.pdf
- http://scarpatti.com/files/gomutoxezizezasofadedi.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=how+to+create+an+invoice+in+word
- http://s292376414.onlinehome.fr/datas/imgmail/file/66897761226.pdf
- 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_off0000f65a.bin204351af35c91077e46d0a228d5f3bce973821ccf04d3fe9249e90e1b42c26ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF65A | 17448 bytes |
font_01_sfnt_off00012380.bin8068167e2ca545a68aea82afa496d64bcafc3081b03fb02ec43cfa8e3e8d131e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12380 | 10292 bytes |
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