MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to malicious sites or download further malware. The file's structure as a link farm on disposable hosting further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9827
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://cavusofis.com/images_upload/files/tidodugiruvafedipisenel.pdf
- http://locthanhroyal.com/upload/files/74350135806.pdf
- https://onecre.com/images/content/files/vifovesifusosos.pdf
- http://hosungtour.com/FileData/ckfinder/files/20210904_5F0C624D42BAFBCF.pdf
- https://muzpony.de/obrazki/file/wutogowuriwuzaxubod.pdf
- http://sutinlawkrabi.com/ckfinder/userfiles/files/sewefigidapotelina.pdf
- http://domki-kopalino.pl/pliki/21974482087.pdf
- http://proxima-design.cz/files/file/69909830502.pdf
- http://logicamail.it/draft/media/mebupaponuvufuxuwixipuvup.pdf
- http://lblussana.it/images/file/filuxuxifukujo.pdf
- https://saya.ro/app/webroot/files/userfiles/files/955745167.pdf
- https://honghow.com/ckfinder/userfiles/files/88657716868.pdf
- http://denis-lefebvre-services.com/fichiers/file/xewoxovorujokotubux.pdf
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/850feb4b2337dba19272118fd498979f/marexupi.pdf
- http://citra.cl/userfiles/file/dojetaxikezoboxebivukopo.pdf
- http://mextro.de/upload/files/resumuwewisotogome.pdf
- http://dungcubepgiangtrinh.com/webroot/img/files/35367123261.pdf
- http://conomiya.com/images/uploadedimages/file/borobogodepemobogewaguv.pdf
- http://christopherspubandgrille.com/userfiles/files/xinifivevamigu.pdf
- http://metalzilemboeventi.com/userfiles/files/xipuzipotoxosusi.pdf
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/161403190d7e75---vasajasezis.pdf
- http://lor-rostov.su/userfiles/files/28183828170.pdf
- https://mediaget.ru/userfiles/files/keledok.pdf
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161309b8297e34---mijitetazosejerexesotigig.pdf
- http://verzorgingsindex.nl/images/uploads/60403776948.pdf
- http://njuhome.pl/ckfinder/userfiles/files/83026837685.pdf
- https://seeandhearbetter.ie/img/shop/contents/vetefodivodiwinorexejem.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=android+google+maps+navigation+api
- 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_off0000c69c.bindb5e1a521f3ffe2109996b5ad467fefc32cf12992dd23e35991cafe3ebe0ec0a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC69C | 10780 bytes |
font_01_sfnt_off0000df40.bine729157d46204cb0ca2a8ffedd30b2efbe8fb65987458935b5afd9fefad64a1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF40 | 17004 bytes |
font_02_sfnt_off00010ace.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ACE | 16792 bytes |
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