MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV confirming it as Pdf.Phishing.Trojan. The file contains a link farm pointing to compromised WordPress upload directories, suggesting an attempt to distribute further malicious content or phish users. The presence of external URIs and link farms indicates a probable phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/bd33d8e9cfde3b33cb63ebb1b4067191/romeredi.pdf In PDF document text
- http://camelliafb.com/uploads/files/202109170955505576.pdfIn PDF document text
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/876ad0c2667890d98e2b1524d73a413c/xadujefarogojiwovuwixe.pdfIn PDF document text
- http://urgentcarepb.net/userfiles/file/77313789849.pdfIn PDF document text
- http://runwellconsulting.com/file/file/ranekoxezezifor.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/161383af1eee73---zudosinolabasupi.pdfIn PDF document text
- http://sayurmateng.com/contents/files/6571615074.pdfIn PDF document text
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f2194ef273---zokasimujagiwelida.pdfIn PDF document text
- https://franchisefarm.franchiseharbor.com/files/files/57646127006.pdfIn PDF document text
- http://lpsa.cz/userfiles/file/vekevemuranixo.pdfIn PDF document text
- https://fallsplat.se/bildbank/file/jegexisakapewalolekanofuf.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134d0585556b---72071387970.pdfIn PDF document text
- http://phongthuyphatloc.com/luutru/files/66245768003.pdfIn PDF document text
- http://altadirezione-consulting.it/userfiles/files/3002747657.pdfIn PDF document text
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1613245de91d2c---javojidixowadu.pdfIn PDF document text
- http://wellogo.in/userfiles/file///98898821063.pdfIn PDF document text
- http://madiran-cruduparadis.fr/ckfinder/userfiles/files/78124858351.pdfIn PDF document text
- https://playindiano1.in/ckfinder/userfiles/files/11995106353.pdfIn PDF document text
- https://zhansq.cn/upload/file/sugogeporadog.pdfIn PDF document text
- https://chsins.tw/uploads/files/202109160342299066.pdfIn PDF document text
- http://irastuff.com/admin/ckfinder/uploads/files/97557867881.pdfIn PDF document text
- https://samsunyapi.com/userfiles/files/71320970331.pdfIn PDF document text
- http://kamerton.nl/clientfiles/5433125049.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=daemon+startup+failed+android+studioPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bdfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDFD | 20720 bytes |
SHA-256: 5c267c49f94fe98d3d7e9094509dd5740354a3f8fa8be2be58d30da434f17151 |
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font_01_sfnt_off0000f49a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF49A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010cb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CB1 | 10760 bytes |
SHA-256: 781a926e0232bded16abfa2438318fcb797a92e68ebb910b7a06d7f08a71fef4 |
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