MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a link farm designed to redirect users to malicious content. The heuristic firings indicate this PDF is part of a phishing campaign, likely using a lure related to file conversion or organization. No scripts were extracted, but the overall structure and URL patterns are consistent with malware distribution or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://infrive.ru/uplcv?utm_term=put+all+pictures+in+one+pdf PDF link annotation
- https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/fe0f2d17e90cd1c4ffc0ebe4ebf61d69/zemopuw.pdfIn PDF document text
- https://roweryelectra.pl/app/webroot/uploads/file/16211016330331.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073b3f515d1b---96261239750.pdfIn PDF document text
- https://strechybenesov.cz/content/bavuferevukalajezujof.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/f21ac2218fb5c2df1f37f6b43d499aac/97924791677.pdfIn PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607861c1199d8---rasefagatunerelagiseji.pdfIn PDF document text
- http://run2endalz.org/clients/2/2b/2b4973775a35d8819257a28a16fdea67/File/57962727635.pdfIn PDF document text
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/jpsra9807829csat6njidt0hk2/tojovesupazeb.pdfIn PDF document text
- https://akproauto.com/nbloom/fckuploads/file/64588677611.pdfIn PDF document text
- http://mariopresto.pl/userfiles/file/rokalotevevuvaza.pdfIn PDF document text
- https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/a6ee9ae7844c51380426a4584e445cd3/30823943857.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a40577f3207---pejoxu.pdfIn PDF document text
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/h6vppink879uq8pda92p53hd1n/zogafevixirasepa.pdfIn PDF document text
- http://ahsaipu.com/v15/Upload/file/202154814145085.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/f2a9dd70002f29fabfbafd3ac3741fd0/dizutepotozu.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/619ce0af800433f79d252adedbbdbb47/63263599114.pdfIn PDF document text
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/0c75056a7116ac335c7cad471b2c7320/pisujalokele.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608db30e1f888---49412604740.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160ade9af0d74d---fesenedulifisaje.pdfIn PDF document text
- http://kirilmazbardak.com/userfiles/file/padufuxuxete.pdfIn PDF document text
- https://ovalpolycoats.com/media/94671736638.pdfIn PDF document text
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/ded2efa7e08828bb4c1d12cf7e9eb945/55771407307.pdfIn PDF document text
- http://www.sport-konyv.hu/userfiles/file/loxagizup.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/v89u9p7vclu2kk5trh4c7bis36/gejoxelubiwuwitug.pdfIn PDF document text
- http://alexhoffordphotography.com/temp/files/file/64506090699.pdfIn PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607b80c506cdd---wolob.pdfIn PDF document text
- 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_off0000dc50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC50 | 10712 bytes |
SHA-256: 1bf930087da897ce0f050b9a3e9be8412e137eb43c5173b1becee1fa36dab212 |
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font_01_sfnt_off0000f506.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF506 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010d18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D18 | 16948 bytes |
SHA-256: 255076f2cd39c9a24e1ef3e71b291501444312a0e7fab7e4e3c2157bce0123f5 |
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