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 are hosted on disposable domains or compromised CMS upload directories, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://atlantidegattico.it/file/98099725150.pdf
- http://lactopad.com/uploads/files/1470334606.pdf
- https://keiba-like.biz/js/ckfinder/userfiles/files/10999320569.pdf
- http://autostyle-japan.com/js/upload/files/bumikowutebaxonigo.pdf
- http://caythuocnam.org/images/files/10037708795.pdf
- https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/fijopofesogiwoganurili.pdf
- http://freewest.at/83225195505.pdf
- http://saxonrt.hu/img/userfiles/files/78341548822.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/161343fa2793fa---watepememaxiworox.pdf
- http://revize-elektro.info/UserFiles/File/14458335864.pdf
- http://natalieshuff.com/uploads/file/patokuwuvofajuzaruwalil.pdf
- http://www.terresdescaraibes.fr/file/89034899692.pdf
- http://marleenjansen.nl/images/uploadfiles/zusokominanili.pdf
- http://c-six.it/userfiles/files/mepojekejiwifo.pdf
- http://tanphatinst.com/vietkiendo/upload/file/80772765127.pdf
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161316071c072d---pikiwu.pdf
- https://mama-light.net/business_school/uploads/file/33425261742.pdf
- https://phucatgarment.com.vn/ckfinder/userfiles/files/refurunofupup.pdf
- http://tele-fonika.pl/upload/file/kusedolumazomivezopem.pdf
- http://fasson.vip/images/editor/files/41542652116.pdf
- https://aymsoft.us/aym_image/files/53500151049.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/649539be5ad7b7f890ccaf95c5a1db38/67052004775.pdf
- https://charterboatdeliverance.com/uploads/files/15205711279.pdf
- https://eijo.in/ckfinder/userfiles/files/defonebigew.pdf
- http://alotercuman.com/ckfinder/userfiles/files/78487176653.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=aurora+droid+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_off0000d7ad.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7AD | 16792 bytes |
font_01_sfnt_off0000efc4.bind9c28821f24241c8c95b020f04d16e8484466cd0164e057e39f0c533b4a6e8b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFC4 | 10008 bytes |
font_02_sfnt_off0001060b.bin521f64fbab700291c0a9c5fb380157d0c293b234fc29df2efbe9d6a049ca4661 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1060B | 17304 bytes |
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