MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous links to external websites, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to distribute malware or lead to phishing pages. The embedded URLs like 'https://inwebjor.ru/uplcv?utm_term=language+package+for+android' are likely part of a lure to trick users into downloading malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://inwebjor.ru/uplcv?utm_term=language+package+for+android PDF link annotation
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/d5554c665c366816bd6e92db0acc6224/sefewelorerabuzepod.pdfIn PDF document text
- http://bdpq.hungminhits.com/files/uploaded/files/5146355378.pdfIn PDF document text
- http://noxsun.com/jingkelun/userfiles/files/20210907020014.pdfIn PDF document text
- https://wanfutemple.urwaydesign.com/data/file/userfiles/files/lufosepi.pdfIn PDF document text
- http://leadingedgecorporate.com/user_images/file/sabevelisu.pdfIn PDF document text
- http://xn--80aaa1acmiejxr6d7fg.xn--p1ai/data/files/21309021769.pdfIn PDF document text
- http://dolphinkorea.com/files/files/dupexapiwizizezi.pdfIn PDF document text
- https://factorysales.com/userfiles/files/nurivirunuvelulixalozaru.pdfIn PDF document text
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aab468bcac---pumukarezaxetewe.pdfIn PDF document text
- https://0a3exp.com/upfiles/editor/files/35589791161.pdfIn PDF document text
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/eca387627ee4c27bdda018306c062e9a/sutixodivofobipokun.pdfIn PDF document text
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee7ae441d4---bipovusurifiteb.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613813b3c3bfb---36971114943.pdfIn PDF document text
- https://eyescare.vn/app/webroot/upload/ckfinder/files/gaxok.pdfIn PDF document text
- https://newtech-utm.pl/userfiles/file/71059299190.pdfIn PDF document text
- http://advairtech.eu/assets/userfiles/file/dagitariborovesoponedulew.pdfIn PDF document text
- http://dichvugiayphep.biz/upload/ck/files/28146164713.pdfIn PDF document text
- http://americasbestwingspa.iorderfoods.com/uploads/files/49355598947.pdfIn PDF document text
- http://rickgrisolia.com/userfiles/files/19387406574.pdfIn PDF document text
- https://heyratacademy.ir/file/naxezepu.pdfIn PDF document text
- https://slide-bearing.com/d/files/2598689216.pdfIn PDF document text
- http://phdpecs.hu/userfiles/files/73569840838.pdfIn PDF document text
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133b99c67db7---sexixenozamikuxasilozuf.pdfIn PDF document text
- https://rtvpuls.com/ckfinder/userfiles/files/gezonulez.pdfIn PDF document text
- http://ffarchitettura.it/userfiles/files/vumofigabadosedalagimu.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_off0000bbbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBBD | 10632 bytes |
SHA-256: e408ea3e7cdcf050ff741c65753ad096a38a5d47b5489ab06a93d210751ab527 |
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font_01_sfnt_off0000d3ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3EF | 17420 bytes |
SHA-256: f2809f91e5a1ca3c537bb0776829409121b86e83af0891cc28903c9a5a74474b |
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font_02_sfnt_off00010113.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10113 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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