MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous links to external websites, many of which are hosted on compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of multiple PDF link farm heuristics reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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 https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/4d3558074c48e045f3b29b59111ec70c/49749689132.pdf
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/bpmrviskgbt1hpp1ssafdujtaa/10143081378.pdf
- http://nhatngungoisaoxanh.com/upload/files/rirusaxotutidinodimune.pdf
- http://budoprojekt.eu/obrazy/file/govulexatatolojew.pdf
- https://htchninc.com/d/files/fipipesek.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086f14c20e52.pdf
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b705be0053---60065125151.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160982fee2dea5---mofuvibozo.pdf
- https://twr1115.net/files/fckeditor/file/fevozasojuwinafi.pdf
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098319d21728---35259248449.pdf
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa79999e2a1---66695568815.pdf
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c45ae8cbcee---35185199474.pdf
- http://jump360.co/upload/files/20210624161509.pdf
- https://www.lashharmony.co.uk/wp-content/plugins/super-forms/uploads/php/files/a0pbf8c0mbpgajg9v7dvi61ofh/74445901957.pdf
- http://augustaelectricalwork.com/editorData/file/54524913435.pdf
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/9fe0fc82f4c343a702a2fe3c30c80195/43352331500.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a8b16d59fec---92444294152.pdf
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/lv8kuk1hid4civr8ld1lr88iqt/niraranusuladuwo.pdf
- https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/fa23aa2baa11dedccc586ebbcd2c2e80/65668879265.pdf
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160946c2616194---gagubuvokubovi.pdf
- http://casaledellasignora.it/userfiles/files/xepebubopifis.pdf
- https://moolans.com/uploads/files/duzarofojemaruzara.pdf
- https://anandamsanyal.com/userfiles/file/wadakifos.pdf
- http://erdivigado.hu/userkepek/file/mizajizolosurifofokub.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=3+organelles+found+in+plant+and+animal+cells
- 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_off000107ff.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107FF | 16792 bytes |
font_01_sfnt_off00012011.bin755b9b6488056f2e9b683046e1df3218c10cd6152946a5496fbef9440c9b8cf6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12011 | 16976 bytes |
font_02_sfnt_off00014c51.bin86b7432383f75e7124b3af80eeab2ab05e37c3ff12e9aa97ab39e9bffe7a3efe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C51 | 11136 bytes |
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