MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to redirect users to malicious or phishing content. The presence of external URIs and link farm heuristics indicates a likely spearphishing attachment used to distribute further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/41a8713543ebd4fb0b800f83b123afd4/zemezunesezotelofufazufap.pdf
- https://samsungvrvklima.com/upload/ckfinder/files/41404944123.pdf
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/6r35uaseb1iktgstt7hrabgu94/68842661928.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f6c91358fa7---vunovanekobikiwu.pdf
- http://oaklandscreche.ie/userfiles/files/lakavisavogepekinuz.pdf
- http://cuatudongbinhduong.net/uploads/files/vixegexipogesumozip.pdf
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/3mpaag52aoat4va8582aojm4ee/15662139417.pdf
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609236638db08---11298505436.pdf
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160866f885d791---47791253158.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c168822e910---73490244387.pdf
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/1415a7c071781b1b7f813ea3d4fd4875/luzawusazutiduralivabu.pdf
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/37okojei4bhc2p5tkjuqqst9i0/33633498617.pdf
- https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/40afdb3137d6069b29918b4f7a12dd87/11273193613.pdf
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/16106dfe2f3114---meredilexurigo.pdf
- http://stacjaregeneracja.pl/userfiles/file/324299732.pdf
- http://ptairsupply.com/userfiles/file/49615616490.pdf
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/94ndge7rvtr3dkbp3fc7u6k7o0/42378633982.pdf
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/992de66333052af69accd115052e314f/gazifovirerujoguvolakib.pdf
- http://asianaccounting.com/admin/fckeditor/userfiles/file/86151212201.pdf
- http://www.dfdtrading.sk/ckfinder/userfiles/files/15374768666.pdf
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609c9ced95c8e---katozifujozonadaw.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/pk496erk1j9l5c6b23hs0r7ork/63184275522.pdf
- https://e-room.co/userfiles/file/rabuwufaxotagapujugovevo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=jungheinrich+eje+120+error+code+list
- 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_off00010769.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10769 | 16792 bytes |
font_01_sfnt_off00011f7b.bin4db3b09b0211ee74e8a8e1fd4a5a568a18f69fc05c9432473d5c6ddd7a4c93da |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F7B | 17676 bytes |
font_02_sfnt_off00014d8e.binecd1ef79eba61d2f4ac1b6370fa9e24b07d8a8c112c75280f691bac9dff4996c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D8E | 11004 bytes |
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