MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm pointing to multiple compromised WordPress upload directories, suggesting an attempt to host malicious content. The ML classifier and ClamAV detection indicate a high likelihood of malicious intent, specifically identified as a phishing trojan. The primary attack pattern involves luring users to these compromised sites, which likely serve as a distribution point for further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.8477
Heuristics 5
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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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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://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/16094d49916691---38621355279.pdf In PDF document text
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/535ba31db0330649092aabf2a86b652b/14828917203.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b422c87cb44---35424439462.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c04d15943a7---jematovi.pdfIn PDF document text
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f45f4b53c2---fobarabowegokozuzarab.pdfIn PDF document text
- http://gruppocreta.com/userfiles/files/watojikilefaxafero.pdfIn PDF document text
- https://dnmpaint.com/sdcc/images/file/vufakonejosujo.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8b76a3ac4---67911383276.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f74d336074---getopoxuzijaguwaf.pdfIn PDF document text
- http://omnoiptv.com/outscapes/admin/ckeditor/uploads/ck/files/61537827876.pdfIn PDF document text
- https://ckmusicdesign.nl/userfiles/file/jetuxifonogatad.pdfIn PDF document text
- http://aal.tw/uploads/htmlupload/files/zomil.pdfIn PDF document text
- https://cuisinescartier.ca/upload/editor/file/87872589304.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1608125154ef41---xasasibasajerufi.pdfIn PDF document text
- http://gachbinhduong.com/upload/file/jopovijalam.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090034bdaffb---tizaku.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a496d76da2---pomodavozowuvaxeradi.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/4h9a5rc0qec6c4tobdfhavegcq/selagegonafobomi.pdfIn PDF document text
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b0299a37f8b---90724360545.pdfIn PDF document text
- https://oliogalanis.com/file/64877838102.pdfIn PDF document text
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/1b797a517aa2d4f6107cc9233a610b40/xuwoziverolo.pdfIn PDF document text
- https://baxsporthorses.nl/userfiles/file/72470250408.pdfIn PDF document text
- http://thedewakohchang.com/image/upload/File/exukixiruduxeruro.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160a28cec22e32---rufuwadara.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=green+olive+color+codePDF link annotation
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e705616fa3---6405260917.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f62f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF62F | 19156 bytes |
SHA-256: edd5538c00f202b58850a96f17d7e6afb0d641e6f998fee949f14fed59a8c15b |
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