MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple heuristics indicating it is a link farm and a callback phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were directly extracted, the PDF structure and embedded URLs point towards a phishing or scam campaign designed to trick users into contacting malicious actors via phone.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://bikaji.zohukum.com/ckfinder/userfiles/files/tuxewudunisewunefiwuj.pdf
- http://startmatbaa.com/userfiles/file/92779312089.pdf
- https://pointvirgule.ca/upload/editor/file/rivifipuziwudebilupi.pdf
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160f2d63383dee---90442034874.pdf
- http://pusancard.com/userData/board/file/jerolili.pdf
- https://xuantruongtech.com/images/ckeditor/files/jezitiz.pdf
- http://szyqjsj.com/UploadFile/file/20210810175535073.pdf
- http://eprdel.cz/userfiles/file/serupemidogeronal.pdf
- http://flygarfield.net/userfiles/file/gawin.pdf
- http://jhdljz.com/userfiles/file/1628837027.pdf
- https://saunadlaciebie.pl/userfiles/file/pemagipaguzaxumabadepot.pdf
- https://roeveragri.ac.in/wp-content/plugins/super-forms/uploads/php/files/5bcd2cdf78177fff96be2480eafcdb40/badudazilezusovoboluzuw.pdf
- http://alwaysshine.com/fileimage/file/gogevatojakovobokek.pdf
- https://pmfegypt.com/userfiles/files/57341190424.pdf
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a335cf9fd50---60955662141.pdf
- http://eastcoastbiker.de/sites/default/files/file/vosefuzo.pdf
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d24020b4e3d---siziduzimemigis.pdf
- http://magooferta.pl/uploads/fck/file/vuvotazatudaputilog.pdf
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/06894f60e0c9f6e6c2c25de631853e19/61864067995.pdf
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/n9759ei9d2l21svluivd782qqi/xiredodisajuketajalusuxo.pdf
- https://oklogistic.lv/upload/file/99315924879.pdf
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607091abcf00b---22418177252.pdf
- https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/c1b1007b08262251f194416d375c56a6/65148559123.pdf
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/84563a73b38c6af2f86d6aa2f5306a58/fixakafu.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=the+48+laws+of+power+pdf+arabic
- 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_off0000c261.binee6eeefd4776453fe83e94a8476c6a9e85b8c4eae71642109096d40d6a63e8a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC261 | 18392 bytes |
font_01_sfnt_off0000f290.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF290 | 16792 bytes |
font_02_sfnt_off00010aa7.bin82da8b167c33a804c1496c7eca65a0bd7678fedc5932f8a984ec670e14a542e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AA7 | 10988 bytes |
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