MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to websites hosted on compromised CMS platforms or utilize disposable hosting, indicating a link farm designed to distribute malicious content. ClamAV detection and ML classification further support its malicious nature, likely serving as a phishing lure or a downloader for further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://poornasreehomeoclinic.com/ckfinder/userfiles/files/41652379237.pdf
- https://cosplay-expo.it/ckfinder/userfiles/files/topubav.pdf
- https://www.varisistanbul.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071894e42172---66919642411.pdf
- https://amthanhanhsangchinhhang.vn/upload/files/makinuvafuje.pdf
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160edf2c26bf9c---jisesolulegu.pdf
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608603875ec0a---66800016002.pdf
- http://www.centralperdana.com/file/4006887323.pdf
- http://fotostudiovaccari.it/userfiles/files/41103723138.pdf
- https://stvorki.ru/files/file/84397254172.pdf
- https://cakenepal.com/userfiles/file/dejatedotoworid.pdf
- http://beijingteye.com/upload/files/18534800294.pdf
- https://biroestarsa.hu/uploads/file/43860222655.pdf
- http://www.greddy.com/admin/common/ckfinder/userfiles/File/5273017608.pdf
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a90438023c6---41904477783.pdf
- http://flambotour.it/themes/userfiles//files/wokizunajudesotatafojexig.pdf
- https://ooo-kenk.ru/userfiles/file/33811385124.pdf
- http://itineraire-consulting.com/ckfinder/userfiles/files/tubozovizupazabexukegamo.pdf
- http://suachuadienlanhhoaphat.com/hinhanh_fckeditor/file/60461351814.pdf
- http://studionegrelli.it/userfiles/files/92139143634.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/gncvg6suj7i4uqnj043lbt3v2g/fikomi.pdf
- http://techbico.vn/uploads/image/files/12128114500.pdf
- http://brlairport.com/images/file/89106340121.pdf
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/70eab0d2bcdbf063177b7e219f316321/xuzidipidodizilom.pdf
- http://touchpanelpro.com/upload/files/11386238595.pdf
- https://alice-immo.com/userfiles/file/wurevafigoputadofu.pdf
- http://bioaec.com/userfiles/files/17740771930.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=applied+statistical+inference+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d120.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD120 | 16792 bytes |
font_01_sfnt_off0000e937.bina29beb5115bc07977072207c810be4f8db78242af3568b92603dafced6de09ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE937 | 10472 bytes |
font_02_sfnt_off0001011f.binf754a4daeac1eda0fd62e32f4f69642be1dfd905b4187213abb6a774f0467c0c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1011F | 19512 bytes |
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