MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://prodottoitalia.eu/userfiles/files/tizatomexagoku.pdf In PDF document text
- http://hongshengfish.com/uploadfiles/2021052600215687315.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/cne1qbq7io7r9umigp8eprq4o9/17785637056.pdfIn PDF document text
- http://abwferrellpkwy.com/uploads/files/28227230024.pdfIn PDF document text
- http://murito.fr/ckfinder/userfiles/files/widedezu.pdfIn PDF document text
- http://www.alquilerbares.com.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1606d333835617---telebote.pdfIn PDF document text
- http://sieuthibongda.net/ckfinder/userfiles/files/rukazolidetoka.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1608b488014374---312352066.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a92926108a5---vesakedunibuxuf.pdfIn PDF document text
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/rpld9g3mb64b14bpm1kurvkpmc/54386672301.pdfIn PDF document text
- https://novamakine.com/upload/ckfinder/files/65735136044.pdfIn PDF document text
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160829fada098e---domeposokevagurozaz.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/16074a80e4c3ef---32528571497.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/2f225302ff4ea14a4ceae4fd74a29778/wikejo.pdfIn PDF document text
- http://eventechsite.com/files/files/53659606176.pdfIn PDF document text
- http://xn--80aaffebba2apgigwiiececnggk9e4k.xn--p1ai/pict/file/46126902689.pdfIn PDF document text
- http://architettotamborra.eu/userfiles/files/40360573331.pdfIn PDF document text
- http://kingsap.com/file_media/file_image/file/44350471850.pdfIn PDF document text
- http://sjar-tech.com/uploadfile/file///2021070314594070.pdfIn PDF document text
- http://mnogonomerov.ru/uploads/file/mapozakebipor.pdfIn PDF document text
- http://argyleliquidations.com/userfiles/files/towasowemipoduweg.pdfIn PDF document text
- https://auto-rujo.com/images-editor/file/kunugawaxigata.pdfIn PDF document text
- http://cloverpark1959.com/clients/51168/File/talivesikuxejolotonoliged.pdfIn PDF document text
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095a37007d04---lazibekebe.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=index+of+jane+the+virginPDF 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_off00010429.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10429 | 17124 bytes |
SHA-256: fdbef854f99936de7af174266eb290132dc052ad92d47b402fdc77af3ada67f3 |
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font_01_sfnt_off000130e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130E9 | 10668 bytes |
SHA-256: 7333bf1806a048f0908e35d1d0778b5942613c025ccce5363208d32549e56095 |
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font_02_sfnt_off00014919.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14919 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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