MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm or phishing campaign. The ML classifier strongly indicated maliciousness, and the presence of multiple external URIs supports this assessment. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://allytemp.ru/uplcv?utm_term=do+i+need+to+play+birth+by+sleep+before+kh3 PDF link annotation
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e25cea3b55---42907472732.pdfIn PDF document text
- https://infypos.com/infyposcms/media/77946118327.pdfIn PDF document text
- http://slbreakingnews.com/ckfinder/userfiles/files/xaserizipumasupipujumajud.pdfIn PDF document text
- https://journalofcritique.com/ckdosyalari/upload/files/zular.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/161436c0e88e26---kazoponabubipulafevetuj.pdfIn PDF document text
- http://musorcentrum.hu/files/article/file/duwumep.pdfIn PDF document text
- http://watdoenwevandaag.nl/upload/30758629558.pdfIn PDF document text
- http://www.anapharmata.hu/ckfinder/core/connector/php/files/31660156877.pdfIn PDF document text
- http://ateliergermain.club/sites/default/files/file/33793610113.pdfIn PDF document text
- http://aibasylhet.edu.bd/app/webroot/ckfinder/userfiles/files/totajig.pdfIn PDF document text
- http://kiko168.com/UploadFile/file/20210918065142708.pdfIn PDF document text
- https://processwork.archerhuang.com/ConImg/files/ruloluzulow.pdfIn PDF document text
- http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f6dbbe7e6f---75515499466.pdfIn PDF document text
- http://touchpanelpro.com/upload/files/4128689013.pdfIn PDF document text
- https://nyig.com/files/file/detox.pdfIn PDF document text
- https://syteq-pro.com/userfiles/file/jejugumajopu.pdfIn PDF document text
- http://expertworker.paraleumarian.ro/app/webroot/files/userfiles/files/14480686886.pdfIn PDF document text
- http://cortocircuito.trialpanel.com/images/Upload/files/86294410494.pdfIn PDF document text
- https://cosmopolitanhotelbg.com/uploads/wysiwyg/files/45922497405.pdfIn PDF document text
- http://medtravel.pro/images/hand_uploaded/files/65765643794.pdfIn PDF document text
- https://autoprofi.ua/userfiles/file/47924400814.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_off0000e066.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE066 | 11116 bytes |
SHA-256: 1f6a36a9b6bdcbcf4d84ce938da6edbde788cce8ff360456d9d666c9c5e6ed7f |
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font_01_sfnt_off0000fa0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA0F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011221.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11221 | 18656 bytes |
SHA-256: bdb890c2d1ccba9af21ca47ce5450dd947b19279f17fa8a1b51d07ea1d593ac6 |
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