MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous external links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a phishing or redirection scheme. The presence of embedded URLs and the nature of the links indicate an attempt to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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=turn+off+talkback+setting PDF link annotation
- https://kubermatkaplay.com/ckfinder/userfiles/files/98916492048.pdfIn PDF document text
- http://filtrydokoparek.pl/img/all/43405409537.pdfIn PDF document text
- https://castilloexterior.es/ckfinder/userfiles/files/fakibasenix.pdfIn PDF document text
- http://www.horakgolf.cz/ckfinder/userfiles/files/jivujobemile.pdfIn PDF document text
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16141620ed9edd---puvoxixawo.pdfIn PDF document text
- http://lakesnwoodskerala.com/uploads/file/ridukufawidadisagadapigi.pdfIn PDF document text
- http://tecs4.com/intranet/ckfinder/userfiles/files/miwalize.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136e24322b0f---lumapesasidokuxu.pdfIn PDF document text
- https://eastmangroup.org/ckfinder/userfiles/files/13387876639.pdfIn PDF document text
- https://yellowstonewildlife.com/46221081562.pdfIn PDF document text
- http://newmob.it/userfiles/files/76442291560.pdfIn PDF document text
- http://solee.cn/ckfinder/userfiles/files/pufesimekip.pdfIn PDF document text
- http://nirmalapublicschoolerumely.com/userfiles/file/lilifedaladawilu.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134857eccc81---bikujedukur.pdfIn PDF document text
- http://jandenzobv.com/image_uploads/file/xogezofezorusidirod.pdfIn PDF document text
- https://ozanetiket.com/TasarimAcarnet/serhali/upload/files/21005465168.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613223f22d287---66667250334.pdfIn PDF document text
- http://chamdure.com/DATA/files/sisumanunagofaso.pdfIn PDF document text
- http://angelofthewinds.net/ckfinder/userfiles/files/36940756752.pdfIn PDF document text
- http://skene.es/userfiles/file/32768598067.pdfIn PDF document text
- https://myarchitect.es/ckfinder/userfiles/files/59200244750.pdfIn PDF document text
- http://epmachine.ru/d/files/16733043624.pdfIn PDF document text
- http://mrcookie.tw/upload/editor/file/03051110514.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_off0000d46a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD46A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ec7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC7C | 16728 bytes |
SHA-256: ad94f3faa261f00bc7b8a7d3f67703251870651abcaa5e1812ccc842a0f9efb3 |
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font_02_sfnt_off000117bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117BC | 10808 bytes |
SHA-256: 6b4ce733a64269826146e59c05b6b32945c6b356b195559c8711b4a378bdc5a3 |
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