MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. The file's structure and URL patterns are consistent with a link farm designed to lure users to potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://coretry.ru/uplcv?utm_term=best+vr+games+for+android+without+controller PDF link annotation
- https://gberwanda.com/gbe/useruploads/blogs/files/kuvojofinigarazabaworipo.pdfIn PDF document text
- http://eyela.kr/uploadfile/fckeditor/file/pofisagogosizoxikanud.pdfIn PDF document text
- http://yuanhebiotech.com/upload/files/zusosiwaw.pdfIn PDF document text
- https://somogyplusz.hu/files/zidota.pdfIn PDF document text
- http://kochamsushi.pl/UserFiles/file/87658494974.pdfIn PDF document text
- http://modaxch.com/userfiles/files/9066067566.pdfIn PDF document text
- http://laptopcuhaiphong.vn/upload/files/solotawifosu.pdfIn PDF document text
- http://guoyangmoju.com/userfiles/files/65448459256.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/161442d1c84028---vefusiravamisiru.pdfIn PDF document text
- https://nisahanpin.com/calisma2/files/uploads/paboxopijazuwazizib.pdfIn PDF document text
- http://sonarkella.com/userfiles/file/vafod.pdfIn PDF document text
- http://surausa.com/uploads/files/tanokatorokomani.pdfIn PDF document text
- http://schokofontaene.de/idata/76237561544.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/d96o420iuu7jd702djmln2ioq6/pefagerowoj.pdfIn PDF document text
- http://captainkillmite.com/uploads/files/202109070420246192.pdfIn PDF document text
- https://kolegium.inaheart.org/upload/files/88924473288.pdfIn PDF document text
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613106fbd8b09---86893528426.pdfIn PDF document text
- https://radmangroup-ye.com/rgfiles/file/nivexuxepovamumarolafigik.pdfIn PDF document text
- http://araonline.hu/uploads/file/letarupupoxugimofukapizit.pdfIn PDF document text
- http://geologicatoscana.eu/userfiles/files/44916879525.pdfIn PDF document text
- http://yogo110.com/userfiles/file/darafiritikaliwogubif.pdfIn PDF document text
- http://aotem.com/data/home/qxu1780220113/htdocs/uploadfile/files/97477178288.pdfIn PDF document text
- https://rallstarawards.us/nbloom/fckuploads/file/96567221599.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_off0000e4f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4F3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fd0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD0A | 11228 bytes |
SHA-256: 484588f2aac64b565d613b0bd4d5e9f56e3ac0764b385f69abeafad266b62e2d |
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font_02_sfnt_off00011714.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11714 | 17600 bytes |
SHA-256: c6f9a42bc879d44db8bcea747a8f175ce872f86437ced7523579d24b017d37e2 |
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