MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or SEO poisoning campaign. The embedded URLs likely lead to further malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://pistant.ru/uplcv?utm_term=place+value+warm+up+games PDF link annotation
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/t441hqk0cmcoj3sbhq6jcvk7pa/71202598353.pdfIn PDF document text
- https://wotfiles.com/ckfinder/userfiles/files/wawesubebanevelumamopeved.pdfIn PDF document text
- https://misbahelmudii.org/ckfinder/userfiles/files/mapuxaxowosaju.pdfIn PDF document text
- https://yuanfuconstruction.com/ckfinder/upload/files/87814568913.pdfIn PDF document text
- https://wegofa.com/userfiles/file/tilijaxonapuvugewitules.pdfIn PDF document text
- https://axlthailand.com/imagexx/files/waradugipevovuwerusububu.pdfIn PDF document text
- http://co-wemart.com/careeruserfiles/file/zezazob.pdfIn PDF document text
- http://inwama4.vn/webroot/img/files/dadutuwurelap.pdfIn PDF document text
- https://valgott.com/images/userfiles/file/jebefapezeguped.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9bfcd642e---xosarabudupotowi.pdfIn PDF document text
- http://dglytbt.com/upfolder/e/files/20210905020037.pdfIn PDF document text
- https://silverstonedevelopments.com/ckfinder/userfiles/files/kovavalujip.pdfIn PDF document text
- http://xn----9sbbnbtte4cyg.xn--p1ai/ckfinder/userfiles/files/zomudebexixogisifinumu.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/161367831c369e---jotegodeturubexevero.pdfIn PDF document text
- https://agrilaui.com/userfiles/file/75918778647.pdfIn PDF document text
- http://barbusci.it/maisUserFile/file/63315143173.pdfIn PDF document text
- http://xn--b1agjlwjc3g.xn--p1ai/ckfinder/userfiles/files/72516384961.pdfIn PDF document text
- http://mudrkanuch.sk/editor_uploads/system/files/tikadijid.pdfIn PDF document text
- http://helenhotel.vn/upload/files/tobugetivozelis.pdfIn PDF document text
- http://unewstoday.com/task/userimages/file/47984661611.pdfIn PDF document text
- http://getrade.net/uploadfiles/file/gavukiwi.pdfIn PDF document text
- http://mustang.tom.ru/jsplugins/ckfinder/userfiles/files/numifixedovusemugonovod.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_off0000d8cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8CC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f0e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0E3 | 10556 bytes |
SHA-256: eb5db7b40aa1bf1fa81f8ebd08a653931dac99471f3f9e1fa3cc3519038f61b7 |
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font_02_sfnt_off00010910.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10910 | 18124 bytes |
SHA-256: 7a6aff0d521820c20dc347ce4b1781bb1eec8b85bf876400f5158c61dc92b120 |
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