MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple distinct hosts, many of which are hosted on compromised WordPress sites. The presence of numerous external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16076a8be94f0c---nekevo.pdf
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/af09f861438105ddc886986e79a0ca25/25411136201.pdf
- https://internationalmedia.com/userfiles/file/depikizotuxorifipusuk.pdf
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d930a909999---supegimibajade.pdf
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079088c80078---sizekababebebudera.pdf
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/033c9291c83159c4993368cde3618365/gobuvav.pdf
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/16085dca9e4aa3---xavaxisamazodumemaro.pdf
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8134e4f60---nosogisexabipogazew.pdf
- http://aj-logistics.com/stock/userfiles/file/musudowupinijupoka.pdf
- http://pnmanagementsolutions.in/uploads/29708405219.pdf
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/fd2ad84e5d0d14b01e45c91e5e692211/sepavut.pdf
- http://acpiindia.com/userfiles/file/36305929928.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090d91516cb3---91355780010.pdf
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/137e20bf9238e738bd3940894911b4bc/jewilanedatajalarame.pdf
- http://monktonlionsclubkidscamp.com/clients/9/99/99b8b5517e5fb663501b7ee5137ebf55/File/magujokexafejoraguf.pdf
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609086e737d91---72762422048.pdf
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607479c6374d6---65521132121.pdf
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/a4213e01ac55c48299241b6ebe80374a/vopuputejiteso.pdf
- http://ligneus.hu/upload/file/manejasa.pdf
- http://niestachow.pl/data/aktualnosci_imgs/file/lexoviwalivotapuwovobeziv.pdf
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c166991fe2---vopamunibu.pdf
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a4fea21e504---86184548330.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=feeling+motion+sickness+at+home
- 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_off00012ddb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DDB | 16792 bytes |
font_01_sfnt_off000145ed.bin49e3e78fa00fcda5317e90998370ba960d46cfd98e374a572ae875a01ccde518 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145ED | 17912 bytes |
font_02_sfnt_off000174e3.bin50408cb137e031348f730a906f2d2b5eca7e4470b85ecb05762e8b2a6051a3f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x174E3 | 10648 bytes |
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