MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document is flagged as malicious by ML classifiers and ClamAV, indicating it's a phishing or trojan delivery mechanism. The 'SE_BROWSER_INSTALL_LURE' heuristic strongly suggests the document's content is designed to trick the user into installing a fake browser extension or update. While no scripts were extracted, the presence of numerous links to potentially compromised WordPress sites and disposable hosting points to a link farm used for distributing malicious payloads or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160987d3c2ff39---sidimomosepakurizo.pdf
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091372a2a60a---20661693046.pdf
- http://erfaspot.com/resimler/files/43709567133.pdf
- http://abnicum.com/files/file/79638123540.pdf
- https://stiff.pl/ckfinder/userfiles/files/kuvanireve.pdf
- https://sy-tech.eu/file/wejuvupizikagijikuzelo.pdf
- https://rebel-guitars.com/wp-content/plugins/super-forms/uploads/php/files/46d8239ace463169299b8af64d117a65/nuroludoweduto.pdf
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/cb68921c2fe0ef7cfde9d1dec6ce8dee/44448286129.pdf
- http://indecomavo.pl/inc/14065172284.pdf
- https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/2535c00cd17747639c22381912732d47/29067765644.pdf
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083e71ab0b85---19631347920.pdf
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/160749237b4217---bobilosurabagojijalaxa.pdf
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d792fb38bfd---73069573685.pdf
- https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/93ba061b34ff50b48211592e93815208/jexamokakiwuzuvopodor.pdf
- https://zlato-eu.sk/upload/files/9607186631.pdf
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160889a687a6f5---69569914918.pdf
- http://aygroupmuh.com/image/files/nofafurebuguvixuvuseku.pdf
- http://1parareunion-club.com/clients/4/48/482fc251494624b09083a87f212a12d7/File/xitimus.pdf
- http://puppiesjust4u.com/clients/c/c8/c8a8d0e690f73854b1e7a5fbb9521f82/File/94273050891.pdf
- http://stroisvias.ru/userfiles/file/nogasoguwamekudokokiwe.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=mx+player+pro+mod+apk+download+for+android
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee44.bin6ee91104163662252c0ff2d3e1b3c41421b5b2c2e79c5040d5ba69739f7caed0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE44 | 10780 bytes |
font_01_sfnt_off0001071d.bin429a455df7408c6d4f5d1b181582924dca7f2f7eb6ee24faaa9ae4660396fa2d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1071D | 29636 bytes |
font_02_sfnt_off0001425e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1425E | 16792 bytes |
font_03_sfnt_off00015a6f.bin9d5144547e0b729630886a3ad3ce48e7da84b0115899dd9c2390406af6f0fecd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15A6F | 16092 bytes |
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