MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress sites, suggesting a link farm or phishing lure. The PDF structure and embedded links are consistent with attempts to redirect users to malicious sites for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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=mingle+with+someone PDF link annotation
- http://robbinsfamilyhealthcare.com/clients/2/2c/2c787fa606fc56c3a3a24dfc5409695f/File/84807293418.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/f4cb968c2719cf4875f84b0b13774793/67950741154.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c091a1919ce---62941246267.pdfIn PDF document text
- http://work4shop.cz/userfiles/file/jurajovapetizozobipen.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/8ugfpvhfjc0hob6crnuj5tf100/17576619321.pdfIn PDF document text
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/f5ce6152f6099d57a75ab3595602d7e0/buzoj.pdfIn PDF document text
- https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/i1l6pigsv0upatldpt68tjncj6/92761218268.pdfIn PDF document text
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a345c24eb9d---botejudirasibemamodota.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609abc13e0784---mapudojujekewurakaz.pdfIn PDF document text
- http://cnpair.com/userfiles/file/nadikisekudumisilobexer.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c74900b40ef---62113648004.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607fc3e13c2d7---bavom.pdfIn PDF document text
- http://staples1981.com/clients/b/ba/ba027a536d51c1d997ee76cae6dc9017/File/33228356223.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bb55e23026a---mifirerivo.pdfIn PDF document text
- http://arabic.cz/ckfinder/userfiles/files/mokug.pdfIn PDF document text
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087b6c45fa6d---waponilutulutixex.pdfIn PDF document text
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7c857f2aa---gegubifimuzojiluvizum.pdfIn PDF document text
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/7ab24b85c8648fbd1b131b67edc01dd0/91089802289.pdfIn PDF document text
- https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/1c6d50v7okboag2ecjpcu3o3sj/ruvav.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c41d6c04034---xedijikuxowadodobifunu.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/0d13615bb735b2f03bdd5a778b0bf0b2/lumubelagarorif.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3743e71a9---sexajoboxarujewi.pdfIn PDF document text
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/695f04d008f2e2dcc0442d81b907099a/zivosinov.pdfIn PDF document text
- http://hasici-pristroje-eshop.cz/files/file/vifevero.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/9a3dc7d49a6b81ef452383fa1e12c728/divotepasobu.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_off0000f567.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF567 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010d7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D7E | 10372 bytes |
SHA-256: 447aff87ea7ec690e92dc6bc22a62a504d7b4ac8b2254bfb12dcbb0a3988bf1c |
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font_02_sfnt_off000124c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124C2 | 18008 bytes |
SHA-256: 76182b2110292643ec1aa8c9e344d11ea2671ba136d6e1d8d4f9e617f31d8e00 |
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