MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to compromised WordPress sites, likely intended to host malicious payloads. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document is designed to trick users into downloading a password-protected archive, a common tactic to bypass gateway security. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f50b21c434---bosubewupil.pdf
- http://accessiblevehicleservices.com/userfiles/file/9370077053.pdf
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/9d0bba45292c5878ad5d349165880c2d/78400473444.pdf
- http://wildpflanzen-planung.de/file/31547118715.pdf
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8a3312a394---gidovinurezag.pdf
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608696b44f04e---gudevesi.pdf
- http://digemnd.com/UserFiles/file/13787151444.pdf
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b5d47f0db2---11250544556.pdf
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609224835a28b---28729326101.pdf
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2a52b09ed7---36625469030.pdf
- http://aksaaydinlatma.com/img/editor/image/file/90469262928.pdf
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a0592a0b288---nosokomelutotivojud.pdf
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a419868a9fa---rekegiraluxedalijulogikor.pdf
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/a79f49d654b941899ba46f48b6c28c21/83289451768.pdf
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/1055f9a861d0d7b4fc7fadd303c63f26/babitubimiwevuvatulubom.pdf
- https://anandamsanyal.com/userfiles/file/nuwijel.pdf
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16077b04d47d2f---25941287531.pdf
- https://krassimirtaskov.com/userfiles/files/muxiwixatopot.pdf
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb76a30e3d---bawotuzusoxekepatotifu.pdf
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d095de8ec24---92936609695.pdf
- http://corporacionnoa.com/UserFiles/file/45952790819.pdf
- http://velocimapper.com//webfiles/file/sopubibotulo.pdf
- https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/0mqftridodcovl2pvb47aav7j5/tufapibuvibozaxigabod.pdf
- http://picfs.com/1acmwz
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=computer+graphics+by+udit+agarwal
- 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_off0000f91e.bin5780863831401c269b2abde84f13537fd4603a51669d6e0cd1d1247a0b6d5087 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF91E | 11328 bytes |
font_01_sfnt_off00011379.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11379 | 16792 bytes |
font_02_sfnt_off00012b8b.bin54e1439e65fecb84503fb6c3953bf0d20f070257aae4556bd261ca20993e85ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B8B | 16992 bytes |
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