MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is a PDF containing numerous links, many of which point to compromised WordPress sites and disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of a link farm suggests an attempt to redirect users to malicious content or phishing sites, aligning with spearphishing tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7fe1511b18---xaliwelaxivoxeki.pdf In PDF document text
- http://hotararicedo.ro/files/files/43867536241.pdfIn PDF document text
- http://studiopignotti.it/userfiles/files/zapofikuvipo.pdfIn PDF document text
- http://taiwanglassgroup.cn/userfiles/file/kilukitazaduvi.pdfIn PDF document text
- http://mfahk.com/upload/files/jozivulemolawifolis.pdfIn PDF document text
- http://daoltrading.com/userData/board/file/dazizewoxasenerufufopok.pdfIn PDF document text
- https://sportyou.fr/ckfinder/userfiles/files/wobidabuniferisulojezime.pdfIn PDF document text
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16079d63789e7f---mubim.pdfIn PDF document text
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1609842a9ed57a---wijobinekemaluzosovaju.pdfIn PDF document text
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/65aac35604349cf0545cac1d1aab2e75/zoxipogit.pdfIn PDF document text
- https://abofahed.com/userfiles/file/40342121018.pdfIn PDF document text
- http://lorofilmes.com/Uploads/ckfinder/userfiles/files/ditixasudixizobefas.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af89ff82777---pofexugovuxekonus.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fb04b28419---17272064187.pdfIn PDF document text
- http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/danofenumuxiv.pdfIn PDF document text
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/0a6e555c299beaa64f43cfa7051a79d3/22521087316.pdfIn PDF document text
- https://soft-print.pl/app/webroot/media/files/nakemewatifuwoludat.pdfIn PDF document text
- https://www.temsilcifirsatlari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b4535653e2---29889647336.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160bd22d7569e3---44051901083.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce4ce796fc---fatavavijug.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16096c02d99c0b---ritixalilikeguguwezixosut.pdfIn PDF document text
- https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/527692e1e06599843fc34a60654ca46a/21600214981.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160866c7791e68---supipukikadikolavasotore.pdfIn PDF document text
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/u6hk0d0kovbs5kmk1ne28alh13/wetutuvupa.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=bloody+nipple+dischargePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000163f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x163F3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00017c0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17C0A | 10860 bytes |
SHA-256: 9313e1d5aff5e15c6b8aed3796d5420615496b0d737841b8eeb5056d630e139d |
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font_02_sfnt_off000194da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x194DA | 18988 bytes |
SHA-256: 00e586361dc0c674a77af3b23375d5e44231ca0b912434b0e36da341146883df |
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