MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised or disposable hosting. The heuristic 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' indicate a pattern of using these sites to host or redirect to malicious content. The embedded JavaScript likely facilitates the redirection or further payload delivery, contributing to a phishing or malware distribution attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://juentai.com/userfiles/files/veriditakufezo.pdf
- http://santamariamikado.com/uploads/files/48798216303.pdf
- http://domingo.hu/ckfinder/userfiles/files/resofigaf.pdf
- https://ofcourselc.com/admin/uploadsfile/51199626723.pdf
- http://girisimcilikproje.com/resimler/files/watimezisodovitazovawozil.pdf
- http://bobas24.pl/Upload/file/watefezodoboj.pdf
- https://www.chablis-gautherin.com/ckfinder/userfiles/files/38999200567.pdf
- http://srtprogetti.eu/userfiles/files/45394280116.pdf
- http://handgun.ee/media/file/rered.pdf
- http://gardens-spa.com/user_pict/file/sivaxuselug.pdf
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/161321d74dc570---29233763934.pdf
- http://duoctruongxuan.vn/userfiles/image/file/42843595190.pdf
- http://logiccpacma.com/ckfinder/userfiles/files/77776346262.pdf
- http://gaestehaus-am-erlkoenig.de/img/editor/file/kovokefedawiwikoxu.pdf
- http://nagakuratrading.com/js/upload/files/75962941765.pdf
- https://basealimentare.it/webroot/files/fck_uploads/File/90991820422.pdf
- https://institut-arabe.org/ckfinder/userfiles/files/86713260263.pdf
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/d806818bd3173efcb54e46977e9fa845/gazejafonidif.pdf
- https://copyjokertw.aw6.tw/uploadfile/qu4_qu106_com/files/lowufetugukulujejuka.pdf
- https://kemxoithanhhang.vn/app/webroot/files/images/pages/files/68126730998.pdf
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/161330f8ba8103---40519119490.pdf
- https://yuvasarkar.org/userfiles/file/79069010077.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=kaspersky+internet+security+for+android+premium+apk
- 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_off0000e3c7.binb99ac9df9ab7b6db53860a8262f975588ad941cb90931c951b0fa0f02661a41a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3C7 | 17884 bytes |
font_01_sfnt_off0001120d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1120D | 16792 bytes |
font_02_sfnt_off00012a24.bin45d76ef9cb0b22865278eb9945a2679dd173f713d9d9b6328cd538ead6c7f1f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A24 | 11032 bytes |
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