MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to compromised WordPress sites, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent. The document's structure as a link farm, combined with the compromised CMS upload links, points towards an effort to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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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://wastran.ru/uplcv?utm_term=telemetry+practice+strips+pdf PDF link annotation
- http://ctkupavna.ru/upload/file/wupilinepasesotikapuri.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/9e2a9g5agq4kqcbgukq5tmgkh2/37157256616.pdfIn PDF document text
- http://alimentosldm.com/userfiles/file/81440185896.pdfIn PDF document text
- https://infosantiere.ro/userfiles/file/61737062994.pdfIn PDF document text
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607908bf9759f---62473197272.pdfIn PDF document text
- http://studiogiovannone.com/userfiles/files/soporuru.pdfIn PDF document text
- https://gulfsupremesa.com/ckfinder/userfiles/files/dexolaluralizibuwevi.pdfIn PDF document text
- https://agrilaui.com/userfiles/file/42875782344.pdfIn PDF document text
- http://msinziniering.com/userfiles/file/rozolowebalum.pdfIn PDF document text
- https://euroquimicadistribucion.com/zabaleta/data/imagenes_contenidos/file/84562296153.pdfIn PDF document text
- https://mraos.com/web/userfiles/file/39252890680.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/73403986778.pdfIn PDF document text
- http://schooldistrictservices.com/clients/f/f6/f6ab1571d2cdf5e569af7b76e288b17c/File/tikovuvupiligozifis.pdfIn PDF document text
- http://xy-interior.com/uploads/files/202109051518173024.pdfIn PDF document text
- https://drvishweshwari.in/userfiles/file/88565388881.pdfIn PDF document text
- https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/b6665ec36a5dcbb5f8733c9bc8a6b0d4/vatikozerasumudivip.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/do1af69ob4e46qvg195s75q865/19867321139.pdfIn PDF document text
- https://nikosdimos.gr/userfiles/file/fowubipuraji.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abf38ff3030---dilanur.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/16118b72723d7c---11584433583.pdfIn PDF document text
- http://www.videocopilot.net/assets/public/ckfinder/userfiles/files/samibitajabarag.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_off0000d328.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD328 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB3A | 17552 bytes |
SHA-256: dbc7f3d153696afe363954d8e0382a4c423e49c3148b5e1201fc821a3cfc0756 |
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font_02_sfnt_off000118cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118CD | 10636 bytes |
SHA-256: f71a81304e0073327fea409ba31285063c667a2d9a55580d61ded3d5b2696f41 |
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