MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting, suggesting it functions as a link farm. The primary purpose appears to be redirecting users to potentially malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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://medvor.ru/uplcv?utm_term=how+to+unlock+induction+hob+schott+ceran PDF link annotation
- http://gotween.com/userfiles/file///vovugosadatisisej.pdfIn PDF document text
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/473b939162c3128731f9da1849557836/dogizuvoxedomalevaku.pdfIn PDF document text
- http://ebiocell.com/uploadfile/file///2021052514335489.pdfIn PDF document text
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/94eae45a5bb875702937fbc82fe6f63b/93998607127.pdfIn PDF document text
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/1k519a38g3qvoulcrnhps6ksls/25889793558.pdfIn PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607758ee8c005---16870235791.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a8751b9039f---gitajigopabim.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/8k5058b39b8j622dho1bk31i3j/67777129643.pdfIn PDF document text
- https://hotelgaric.com/upload/datoteke/31344915409.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/be02eab2c9536de5d2faabe58d8f03e4/39623449386.pdfIn PDF document text
- https://kemxoi.vn/app/webroot/files/images/pages/files/52957391214.pdfIn PDF document text
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/8vn7mcl9v3l2gg7c14ea2orl56/23335249343.pdfIn PDF document text
- http://aimecostruzioni.it/userfiles/files/bimodudilaxigidikep.pdfIn PDF document text
- http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fcce373a40---65485174300.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160825b55ea953---jofiwenofibim.pdfIn PDF document text
- http://holidayservicemarsala.it/userfiles/files/parunesonolif.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c07184054f9---75260982576.pdfIn PDF document text
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/6e7172792d7d1a8c33db728435053d6c/zowedobibupok.pdfIn PDF document text
- http://1night2daytour.com/ckupload/files/74401799820.pdfIn PDF document text
- https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dee4baeb331---57561418893.pdfIn PDF document text
- http://ozdoby-betonowe21.pl/Upload/file/33414125539.pdfIn PDF document text
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8f43cf06a---pobanulemejogowe.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/ehju5jt9cb8qfkdppheel8r1as/dogimusuz.pdfIn PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160930aeada4ec---37481368881.pdfIn PDF document text
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/30cb9007029c787a16d7964a7aada536/1772387129.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_off0000ca93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA93 | 17224 bytes |
SHA-256: 4f71081f88fbab8fde53ccdbc7b0a373d24091b3f83c40f9e793c31a8a949a24 |
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font_01_sfnt_off0000f772.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF772 | 10876 bytes |
SHA-256: 1d13aae69e4b144ce6d6437f6fd282dc1029f66e892d5be792b5e1cfbb7838fa |
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font_02_sfnt_off0001108e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1108E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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