MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier. Heuristics indicate it functions as a link farm, directing users to compromised WordPress sites and disposable hosting domains. The embedded URLs, such as 'https://nomylo.ru/uplcv?utm_term=international+removal+costs', likely serve as lures to further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://nomylo.ru/uplcv?utm_term=international+removal+costs
- https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/f96656fb40cdb03d1211b3caac8f2eb8/93454844622.pdf
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/16079dd1cb72fb---39895921678.pdf
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/fecf6a1a0de3bf3d40ef5593ca21b6f0/45593571917.pdf
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc024e07b2---19139086601.pdf
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16074b6e01045c---zebedibed.pdf
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/160839b28604c6---5207486862.pdf
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/160d8a8be561e0---8263508818.pdf
- https://deniz-sogutma.org/img/userfiles/file/jenunuzorawulokakixasej.pdf
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608b8264dea65---42500867966.pdf
- https://sardavetri.it/userfiles/file/66864375555.pdf
- http://www.la-rocca.pl/app/webroot/files/files/77856273345.pdf
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7b24bdf7d8---koledibos.pdf
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16071d0e5bc245---zekoperomexuzumo.pdf
- http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/lenaxefuseradiwure.pdf
- https://harrisitalia.it/uploads/file/76731712980.pdf
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074917c58583---tixarijilesazomodimuf.pdf
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16078be9b758f3---17607440352.pdf
- http://cleanyachts.it/writable/public/userfiles/file/binawab.pdf
- https://triangle-electronics.com/assets/userfiles/file/pisuwijume.pdf
- https://cardion.dk/gfx/fckimages/file/24451170032.pdf
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/2e3fc5568d44fc4ec9f01a1ddf5125eb/nakebijobekiwiwiwuv.pdf
- http://lucann.com/Upload/file/buges.pdf
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160827cdb4ffa6---16625171752.pdf
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7400bd55aa---biwotiferenolo.pdf
- http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/85529438698.pdf
- https://bloc-immo.com/images/19099105053.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f50a.binb419a8f35d1b538bc693d604ebc3b3053a952f304d2dfce37143d2eae585ac4e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF50A | 10408 bytes |
font_01_sfnt_off00010c98.bina9a1faa71d3a1cd34f6b4e145b0de7eccc2ccca55bade40f674bf0c094e4a759 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C98 | 17312 bytes |
font_02_sfnt_off000139a1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139A1 | 16792 bytes |
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