MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links pointing to compromised WordPress sites, suggesting a link farm or phishing lure. The presence of these links indicates an attempt to redirect the user to malicious content or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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 http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/2e47cbcafe098258febeae59ea5570fa/bolagozolaruxitak.pdf In PDF document text
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160877f88260ac---mevowawevavikifogemevila.pdfIn PDF document text
- https://aimara-bg.com/userfiles/file/gixabizet.pdfIn PDF document text
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1608fbf7102ca3---juwotu.pdfIn PDF document text
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/b400660fa2077ea09928e0868da1e84a/zaxabakiwasixosawosawaba.pdfIn PDF document text
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae9d408ff7c---33515637737.pdfIn PDF document text
- http://fresh-j.info/images/uploadedimages/file/77703702424.pdfIn PDF document text
- http://aliglobshop.com/userfiles/file/70407746031.pdfIn PDF document text
- https://sasalidayanisma.org/uploads/file/44242934803.pdfIn PDF document text
- https://hostingalani.com/calisma2/files/uploads/96201674447.pdfIn PDF document text
- https://chmelo.hu/sites/default/files/file/61774624943.pdfIn PDF document text
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160783baedd927---zebemaxazumigipo.pdfIn PDF document text
- http://alimentosldm.com/userfiles/file/94910597297.pdfIn PDF document text
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606f38f619e1a---11160824418.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4rs61rngc3cg0d4t961on97qa2/worafawadufuniwago.pdfIn PDF document text
- http://biotop-zamosc.pl/userfiles/file/gaxakezekovibivijofinixo.pdfIn PDF document text
- http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/349d834830e75a557f0b7993ae4b204a/jovapagegazababewivelaze.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=female+mammals+have+mammary+glandsPDF link annotation
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce9effcb804---susixenajoxemesigakafepu.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_off00011921.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11921 | 10540 bytes |
SHA-256: 4cd755136326a82743d906bd8dd0b36933afaa1ad835e077952822ed6ef18d9c |
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font_01_sfnt_off000130bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130BF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000148d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148D1 | 18588 bytes |
SHA-256: 4344ed340f87fe70fe2c056bb36c1fe8920dd8c1c38791709ee21e72be06cee1 |
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