MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous URLs, many of which are hosted on compromised or disposable domains, indicating a link farm designed to redirect users to malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this is a phishing or malware distribution lure. The ML classifier and ClamAV detection further confirm the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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 https://pistant.ru/uplcv?utm_term=lightroom+cc+app+free+download
- http://gitimohammadilakhimpur.org/ckfinder/userfiles/files/mudinutisedifeviboleludop.pdf
- http://phaptangpgvn.net/app/webroot/upload/files/pajafebuzidebofafi.pdf
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613be00838619---fewusefojosixapuwuji.pdf
- http://gfk-schwimmbad.de/i/File/tijobironolo.pdf
- https://sevenhillsgroup.net/ckfinder/userfiles/files/60530878772.pdf
- https://meesens.be/KrMee/Tekstverwerker/nizadadowewi.pdf
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b6ad82fabc---10643202318.pdf
- http://cn-polylysine.com/d/files/20505260423.pdf
- https://iphone-odklep.si/vsebina/tetuzeji.pdf
- http://locthanhwindow.com/img_duhoc/files/sevurakajarovalov.pdf
- http://louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/7741145213.pdf
- https://durgabas.coop.np/ckfinder/userfiles/files/bokusexudutamizukaxojivo.pdf
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16134dbec0afa8---fetit.pdf
- http://roletyhanarol.pl/files/file/roxajabapefu.pdf
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/0d38942bd385a82dad7dbee06ff18241/77122586694.pdf
- http://blpest.com/UserFiles/file/82086122427.pdf
- http://fullx.net/files/2246367740.pdf
- http://orderbestwings.com/uploads/files/12158093299.pdf
- http://cmorshomecareassociates.org/uploaded_files/userfiles/files/96924632838.pdf
- http://greenld.com/userfiles/sinerinilelewexulomew.pdf
- http://vizugy.hu/uploads/files/50323602347.pdf
- http://ues-rb.ru/themes/ues-rb.ru/files/78478376044.pdf
- https://learningsolution.ca/userfiles/files/borumozak.pdf
- http://speednewslive24.com/assets/ckfinder/core/connector/php/uploads/files/60276436105.pdf
- http://musclecar-taps.com/js/upload/files/leneminaj.pdf
- http://ttworld.hu/uploads/content_files/files/18287076160.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_off0000d773.bin861615a86bf673f8b98e7b6db1adb5733e13889b82268992d8e451aa65ab7cd1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD773 | 17000 bytes |
font_01_sfnt_off0001031a.binfb597a642ebea64989d9ae272254a231d8b55f14e8d07d026ed57b2bd224cbe5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1031A | 10940 bytes |
font_02_sfnt_off00011c20.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C20 | 16792 bytes |
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