MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm, directing users to numerous external URLs. Several heuristics indicate that these links are hosted on compromised WordPress sites or disposable domains, suggesting a tactic to distribute malicious content or manipulate search engine results. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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://queure.ru/uplcv?utm_term=best+android+emulator+for+codm PDF link annotation
- http://kvbm.org/pds/userfiles/files/larabadivi.pdfIn PDF document text
- http://webcertain.net/contentupload/fckeditorUploads/organization_/file/16224260752.pdfIn PDF document text
- http://inbiosa.eu/static/cfiles/files/61127220724.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/16142086141cb8---jidenum.pdfIn PDF document text
- http://vimar.ua/userfiles/files/19363580367.pdfIn PDF document text
- http://hiroshima-teishaku.com/userfiles/file/pafodetepatuxunabukula.pdfIn PDF document text
- http://probeg2000.ru/files/userfiles/files/morexevoju.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/bd337cd74785b7929444d69faa2dd4c0/5826189977.pdfIn PDF document text
- https://jjpremiers.com/files/navirinudiw.pdfIn PDF document text
- http://d2dgroup.net/upload/files/zagusububux.pdfIn PDF document text
- https://justforjetscatering.com/userfiles/image/files/gijabesivezeripexarifaka.pdfIn PDF document text
- http://gaushalango.com/uploaded_files/userfiles/files/88294041738.pdfIn PDF document text
- http://conelser.hu/fck_uploads/file/zamurevapazozetufowate.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/7014e1428e25aab7da32ad553bc6b0bd/87747994426.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16145c5ddea3a5---96055724845.pdfIn PDF document text
- http://tlumacz-francuskiego.pl/userfiles/file/59162440810.pdfIn PDF document text
- http://studioingtassinari.eu/userfiles/files/99907297497.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/161367eb3cfcc3---jozejekezorijadeti.pdfIn PDF document text
- http://studio5r.com/userfiles/files/29039693685.pdfIn PDF document text
- http://tokyoracing.hu/userfiles/file/5596897085.pdfIn PDF document text
- https://thepainter.asia/upload/files/23288818171.pdfIn PDF document text
- http://www.examnotice.in/uploads/files/durelotoguluketisu.pdfIn PDF document text
- http://szjwwj.com/userfiles/file///texekuxexesul.pdfIn PDF document text
- http://corse.annuaire-regional.com/ckfinder/userfiles/files/59871161754.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_off0000e58f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE58F | 17272 bytes |
SHA-256: 1b5cbc89c9df71298b4756c38295243ad0eb4c3fbcb1b18fbafc5a413d326f70 |
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font_01_sfnt_off0001125a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1125A | 10788 bytes |
SHA-256: 2872391e61161b89f42b9464595a1a9876d5134697bfde23945e87f162fd281f |
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font_02_sfnt_off00012b3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B3E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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