MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF contains numerous links, many hosted on compromised WordPress sites, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. The presence of multiple unknown URLs points to a broad campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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 http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16081ec5235308---guvudabijapazemaxiwapeva.pdf In PDF document text
- http://dui-antidote.com/images/userfiles/file/paguvexefonagewutusozo.pdfIn PDF document text
- https://muratay.nl/userfiles/file/fasojukijo.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160fcb200df056---77218925683.pdfIn PDF document text
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/01dace8880e9e97bba1569eaa0b446c7/82217161933.pdfIn PDF document text
- https://globalmediaminds.com/uploads/files/tosamunavamesulugelovi.pdfIn PDF document text
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/qfaaan6salntu3s527sh7fsv4c/88395534650.pdfIn PDF document text
- http://dansecyr.ca/pdf/file/96813903056.pdfIn PDF document text
- http://merrygoldholidays.com/ckfinder/userfiles/files/ravefududuxara.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078d8a203e21---wesumegekopadojoke.pdfIn PDF document text
- http://bibrka-school.org.ua/ckfinder/userfiles/files/tidenesi.pdfIn PDF document text
- http://graham1978.com/clients/79565/File/kumoloximokidosasim.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c4cb81933e2---fadovulexomavanimakab.pdfIn PDF document text
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/u88q3cpra1jso3vk60kncq69su/44721619664.pdfIn PDF document text
- http://nabisori.com/userfiles/file/buzipojuvatomenilusumo.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16071e44514bc5---banewuluvomotojokabanopog.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb60a414f83---82022013223.pdfIn PDF document text
- http://gsxr.hu/userfiles/file/zewuseperoregosusudidu.pdfIn PDF document text
- https://muratay.nl/userfiles/file/wevaxusazunafeduwi.pdfIn PDF document text
- http://ozgu-yapi.com/firma/files/50427732389.pdfIn PDF document text
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ee30ad88620---82687632073.pdfIn PDF document text
- http://rolmech-strzelno.pl/Upload/file/sixepazeluxatunelana.pdfIn PDF document text
- https://medtek.vn/storage/file/89001966924.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=photoshop+elements+2020+tech+specsPDF link annotation
- 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_off0000f22c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF22C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010a3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A3E | 17164 bytes |
SHA-256: 89965f9a3b5de2499bb7da78e53548b77ee934ecb8fee8a10247693abda0f37c |
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font_02_sfnt_off00013728.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13728 | 10528 bytes |
SHA-256: 8380e27c0a364a081a446cd08b9e1dfc5ba1445fbaaf45e751b1ae4ea3f0d9c9 |
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