MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed to redirect users. The presence of these links suggests an attempt to lure users to malicious or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/jadegelulu.pdf
- http://aptwash.com/userData/ebizro_board/file/3846387030.pdf
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613193e67ff8f---59530828016.pdf
- http://xn--or3bi2da319p.com/upload/fckeditor/file/raduxenus.pdf
- http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.net/ckfinder/userfiles/files/tinuboforerisidu.pdf
- http://anhuizhkj.com/upload_fck/file/2021-9-4/20210904230526304219.pdf
- https://dabanbep.tanglehadong.com/upload/files/vojaxa.pdf
- http://gandolfiarchitetti.com/userfiles/files/55007797732.pdf
- https://atlaskvartir.ua/data/uploads/files/30968035664.pdf
- https://ichapps.peaceofworld.com/ichapps/ckeditor-ckfinder-integration/uploads/files/99192681671.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e929a23ba5---6039835329.pdf
- https://kaptenhoki.net/contents/files/15484557149.pdf
- http://cichanski.com/Upload/file/najimu.pdf
- https://truongthanhco.vn/webroot/img/files/xamewujokasorevowari.pdf
- https://gesema.com/UserFiles/file/69719569093.pdf
- https://www.utn.ac.cr/sites/default/files/files/nitobedetujutojabeponar.pdf
- http://bkdesign.ee/userfiles/file/28520612987.pdf
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/defv5adhqp78svv6ubfth4ooqc/53849569339.pdf
- http://hoteldanang.com/uploads/images/files/96815125101.pdf
- https://apra.pl/files/file/61295411007.pdf
- http://truhlarstvisollner.cz/data/file/34004257730.pdf
- http://nuestratierrapremios.com/campannas/file/48420731529.pdf
- http://hanasushichoice.com/uploads/files/92200606013.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=pokemon+cloud+white+3+download
- 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_off0000be8f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE8F | 16792 bytes |
font_01_sfnt_off0000d6a1.bin47bda34ddaf36634d5a22e3876718b52c9216234fabacf5bb1263c81b7e4f96d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6A1 | 19496 bytes |
font_02_sfnt_off000109dd.bin021d1f2b24b0322f243f436c212407ea54bd69bf1ab13cad81b057ec36b90cbd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109DD | 10820 bytes |
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