MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting. Heuristics indicate this is a link farm, likely intended to direct users to malicious content or phishing sites. The ML classifier and ClamAV detection strongly suggest malicious intent, consistent with a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9893
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://queure.ru/uplcv?utm_term=spousal+sponsorship+canada+forum+2020 PDF link annotation
- http://satisfytech.com/ck/upload/files/89832128868.pdfIn PDF document text
- http://ketphatthinh.vn/upload/files/17352811092.pdfIn PDF document text
- http://coeb.eu/userfiles/files/wowilajo.pdfIn PDF document text
- http://aajude.pt/backoffice/ckfinder/userfiles/files/kumubuwivinepip.pdfIn PDF document text
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136c80198649---wazurozokajumutujomem.pdfIn PDF document text
- https://egc.ecrom.work/syo/files/vupetuvimijosutewitafekeb.pdfIn PDF document text
- http://www.videobezopasnost.ru/ckfinder/userfiles/files/27857911072.pdfIn PDF document text
- http://nato-denkmal.de/uploads/file/roboxoxefidiloti.pdfIn PDF document text
- http://herve-coiffure.ci/files/26629402997.pdfIn PDF document text
- http://xn--80aguejfegacgj0ad.xn--p1ai/pict/file/38663133796.pdfIn PDF document text
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/4d32699f7b3cff7c43d6c67986960489/30034762197.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/3emam9n34rdo6nob8f8tijejat/ruzadudisesufelitineg.pdfIn PDF document text
- https://eventaipei.com/upload/files/44187481377.pdfIn PDF document text
- http://babywagen24.de/userfiles/file/21096172085.pdfIn PDF document text
- https://pragatitic.org/ckfinder/userfiles/files/mufilol.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16133b2534935f---70183604310.pdfIn PDF document text
- https://jagamimpi.com/contents/files/vofafelut.pdfIn PDF document text
- http://dreiseengrundschule.de/files/59106992872.pdfIn PDF document text
- https://global-product.org/CKEdit/upload/files/fuxogagawutosisi.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135226a3acfe---65153019905.pdfIn PDF document text
- https://ocw.tw/uploads/files/73402383853.pdfIn PDF document text
- http://dolphinegypt.net/userfiles/file/nimej.pdfIn PDF document text
- http://sibinetweek.ru/userfiles/file/36897178816.pdfIn PDF document text
- http://freeorden.com/media/file/54906933064.pdfIn PDF document text
- https://icon-studios.com/userfiles/file/7928821550.pdfIn PDF document text
- http://otpetye.com/images/shared/file/39354470689.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_off0000b156.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB156 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c968.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC968 | 15236 bytes |
SHA-256: 890168356845ffb118443217ac7764dc1a0278cea0bf21c1d9cf3c1cb3797c2a |
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font_02_sfnt_off0000efbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFBC | 11072 bytes |
SHA-256: 9202b81b3887e5fcbc0def2463ae3a7b113a94a61fa71b41311dfdb6af6d55fb |
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