MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The ML classifier strongly indicated maliciousness, supported by heuristics identifying the PDF as a link farm on compromised or disposable hosting. The embedded URLs, such as 'https://crysiq.ru/uplcv?utm_term=formattazione+sd+per+android', are likely intended to redirect users to malicious sites for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://crysiq.ru/uplcv?utm_term=formattazione+sd+per+android PDF link annotation
- https://finliz.lt/i/File/10584415499.pdfIn PDF document text
- https://shreenathtechnologies.com/userfiles/file/75736236794.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/2e8d5b9abd3429221af66484ef8c0a23/61443906186.pdfIn PDF document text
- http://gabinetpro.gabinetpro.pl/kosmetyczka/krakow/files/bimaruja.pdfIn PDF document text
- http://www.fdconsult.qa/public/uploads/cms_files/27909804799.pdfIn PDF document text
- http://www.armstrongre.com/files/files/bujujokurev.pdfIn PDF document text
- http://schokofontaenen.de/idata/pirapugurujuz.pdfIn PDF document text
- https://jairdefreitas.com/ckfinder/userfiles/files/55133565120.pdfIn PDF document text
- http://teplo76.ru/uploads/file/vixinenowif.pdfIn PDF document text
- https://alhasooncorp.com/Files/files/janiwiwi.pdfIn PDF document text
- https://www.weboonline.com/ckfinder/userfiles/files/97635680073.pdfIn PDF document text
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/btcs2m4rjkfqcarmoao0daaki0/10063459129.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/161327087a2e5d---87475603489.pdfIn PDF document text
- http://sitoad.com/bbqjoekey/files/202109061754025822.pdfIn PDF document text
- http://jjw-led.com/userfiles/file/fudopujigetusinafado.pdfIn PDF document text
- https://northwestconvention.cz/data/files/16762931740.pdfIn PDF document text
- http://wdnederland.nl/file/vixuvotisek.pdfIn PDF document text
- https://hankilfood.com/userfiles/file/20210906002012.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/161392d264da03---4934161209.pdfIn PDF document text
- https://zemtechnika.lt/public/site/0files/82888053986.pdfIn PDF document text
- https://izr.fr/files/dofegiputonusox.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/161328c99e3c11---mobetobuvevu.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161364145a137b---konawasapubokafusikigaput.pdfIn PDF document text
- http://gapp.fr/medias/files/92229493659.pdfIn PDF document text
- http://tomgiongvip.com/uploads/files/file/wujamewofo.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_off0000d35e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD35E | 17980 bytes |
SHA-256: 5ea0cf934ad108140ac67a3a72ab433af2c6b1856aab311451fa836451554796 |
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font_01_sfnt_off00010212.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10212 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011a29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A29 | 10544 bytes |
SHA-256: cb642049c018b5a5616c3f096dd88bb00c0322297176b5ea2f4976f2d130b70a |
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