MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ClamAV with a Pdf.Phishing.Trojan detection. Static analysis revealed that the PDF contains a link farm pointing to multiple disposable hosting domains, a common tactic for phishing or malware distribution. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating the document's primary purpose is to redirect users to external, potentially malicious, sites.
Machine Learning
- Nyx PDF Classifier suspicious score 0.2523
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://juha.be/_files/file/46517408910.pdf
- http://aotwresort.info/ckfinder/userfiles/files/deruzowamegeromuwolaguvo.pdf
- https://xtrafitcoaching.com/www/images/files/mepopunabekugadukesekowuj.pdf
- http://shopsuathientu.com/uploads/userfiles/file/23853956079.pdf
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/3e308bfa353d0dfa4bc0166f0bfcaf0b/vunanumikaxom.pdf
- http://townofwinslowin.com/flash/townofwinslowin.com/file/lurunizefarupama.pdf
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/e915f1e28ace6754a784f93c492eb120/71465004841.pdf
- https://jlgardner.org/home/jlg/public_html/ckfinder/userfiles/files/jikowud.pdf
- http://voijin.com/userfiles/files/98334807944.pdf
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/cabbb11a82c666f6cc0ad9ff1573b106/tabekiwo.pdf
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f9f20247f2---napajanutagidiret.pdf
- https://kristinanamaste.eu/files/97155616739.pdf
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/efa200e93de7beb6433acc45cf43a18b/68642191176.pdf
- http://szkolka-wiercioch.pl/files/file/27524662547.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16072d9ab2daac---fotajamibevumutirenotamin.pdf
- http://olneyjune65.com/clients/d/dc/dcef5d22f85ec69f5810ba62c2e8cf46/File/92518790066.pdf
- http://jrpst.pl/userfiles/file/folapunefabufiremu.pdf
- http://ridendo.cz/files/file/kovafofotigeg.pdf
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4138dee277---sojabikozek.pdf
- http://chukguwang.com/files/fckeditor/file/jajuneji.pdf
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6be585e3af---87467163276.pdf
- http://cpspcb.com/uploads/files/9397302806.pdf
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16086c25ebc562---nexeguzeladadugemegonabe.pdf
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ea4f8a94e1---90306473874.pdf
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/c67d9749df6ecfc68a96b3d2df4ab09e/zikakezifulotifozok.pdf
- http://hzjksj.com/images/upload/File/zupegaririg.pdf
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/160987d05264fa---davozegeridobuvinusim.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=inductive+and+deductive+method+in+economics
- 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_off0000f344.binb93efb887666871bfc5718e3edbeec40dcf53940db57a857f34fc94dbaadf41f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF344 | 17320 bytes |
font_01_sfnt_off000120c4.bin19f7908632c90f0fd53b215b1a3102ea89a69edeee85e4e210e15aa02567d2a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120C4 | 10608 bytes |
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