MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains a link farm pointing to compromised CMS upload storage and disposable hosting, suggesting an attempt to redirect users to malicious sites. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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 http://analogsys.com/uploaded/file/101378781660c704df57e58.pdf In PDF document text
- http://shinex-auto.com/userfiles/file/9758179839.pdfIn PDF document text
- https://www.cpro.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606c88f30ff23---dazerawebukuf.pdfIn PDF document text
- https://www.visitrwanda.com/wp-content/plugins/super-forms/uploads/php/files/073ed43fe4356e90ac129f512348066a/kabar.pdfIn PDF document text
- http://partnerplus30.ru/images/fornews/files/62418520698.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/p0mvj0h1fu371lm43cff77ned0/vomopivepariwoma.pdfIn PDF document text
- https://menu2uplus.com/images/file/rinobizuxuruzukugeritagod.pdfIn PDF document text
- http://ilturismoinitalia.it/userfiles/files/zesaxapime.pdfIn PDF document text
- http://fairmonteast1975.com/clients/0/01/014dde3c838f86fef2ac1d31a86c415b/File/finopumubozabewixo.pdfIn PDF document text
- https://ekselantechnology.solutions/ckfinder/userfiles/files/lugaz.pdfIn PDF document text
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/841f00b0196de817069c27fbcaed1381/mabizora.pdfIn PDF document text
- https://greenfuturevietnam.com/Upload/files/54088540466.pdfIn PDF document text
- https://asiastudy.in/ckfinder/userfiles/files/denipefufawafur.pdfIn PDF document text
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/304317b0554b529d725a22ee2395d204/nefelataxifavegepebel.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160949cb6b5ef8---59013267602.pdfIn PDF document text
- https://goodline.by/userfiles/file/63872124144.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/h7uv2e80ahhkef4bfhp57frv98/vesizok.pdfIn PDF document text
- https://songhong.info/userfiles/file/wosenun.pdfIn PDF document text
- http://palami.by/images/file/xomemusuxo.pdfIn PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609df97a2d4ab---29284617213.pdfIn PDF document text
- http://msiutilities.biz/documents/83120267589.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e4a29fedafa---kagewogegosawor.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/16081b7665a0e6---39484893977.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/a33527b8d77cb26b567d779dfedf6afb/43205915183.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/vnlpg8ebq2bed948tmj2tto9ka/48054577762.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=what+are+the+five+symbols+of+the+holy+spiritPDF 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_off000101a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101A8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000119bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119BF | 10832 bytes |
SHA-256: fe915a57e069abf69fcecbcc033fda52013109358f99957c416dde4e8499f4cd |
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font_02_sfnt_off00013291.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13291 | 17456 bytes |
SHA-256: 80f30cc80200f5c6ec7337e3c427bb4fb0587987c799b4f1e188e09160604922 |
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