MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains a link farm that points to multiple compromised WordPress upload directories, which in turn host other PDF files. The primary purpose appears to be redirecting users through a chain of links, likely to deliver a phishing page or a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/qdk0n5no1smqfu4t407a4ef9u3/sokevumumiv.pdf
- https://petrovsky14.ru/docs/files/vaxuwoko.pdf
- http://andlupa.com/userfiles/file/vozitakukelimir.pdf
- https://adepotcustom.com/UploadFiles/file/20210428222246132.pdf
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/6641a7b7684696e3805913bdcfb4e855/kupisuvomusobanasoxosut.pdf
- https://vmwarts.com/ecovic/file/50093189596.pdf
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/d0472e5ea7234756e44fabca0dbf6909/84565811090.pdf
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/dc9e5c4fd9e2c660310eaf1fe4fc7b3f/37841498443.pdf
- http://cukorbetegshop.hu/files/papagosodoja.pdf
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/c3e66a04594a002625c2bf5be8e6ee0c/82762340050.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160964190c7641---gewumek.pdf
- https://mls.lighting/wp-content/plugins/super-forms/uploads/php/files/6399d3a88b5cd3ee2af0f36438b08c73/43475865851.pdf
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/7796da59308744525ada6df4415a7fe7/jefovodevukiputegi.pdf
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f4620fa1e0c---95573709641.pdf
- https://pypconsultores.mx/userfiles/file/12793014687.pdf
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/1cc25b277b428225d790098939a38c51/rixuzole.pdf
- http://31kouqiang.com/userfiles/file/1626553364.pdf
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f85d6c8833---28086660372.pdf
- http://agcslohian.com/userfiles/file/ratisu.pdf
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16084c24b4c2ba---barefu.pdf
- https://infotechb2blite.com/bot/ckfinder/uf/files/56626529756.pdf
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/1ab4ae528dd73c036cfb905247d5e922/87267559481.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=how+to+find+x+formula
- 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_off0000d2d1.bin54c2e8222d248896331521990e2b716bb9cb1822a5a6b76a34df77f168a5ba6d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2D1 | 17560 bytes |
font_01_sfnt_off00010116.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10116 | 16792 bytes |
font_02_sfnt_off0001192d.bin1843e16b663f36c8e9365bbfbdf32792e99bc62fcfc108517e12f97da1a4fbbc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1192D | 10496 bytes |
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