MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. The presence of external URIs and link farms points towards a tactic of luring users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://emilygrilltogo.com/uploads/files/wakodeweje.pdf In PDF document text
- http://navigator-nsk.ru/userfiles/file/tugeronotininojaduxede.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/161393094cf69c---29570770793.pdfIn PDF document text
- http://wwsm-us.com/files/file/75933260758.pdfIn PDF document text
- https://dhesient.com/media/lupememadowata.pdfIn PDF document text
- http://efuegypt.org/userfiles/file/jubatipikapibolaxepu.pdfIn PDF document text
- http://zawodydrwali.pl/app/webroot/userfiles/file/zixuladegitovudin.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/16135c14249ff0---43213309659.pdfIn PDF document text
- http://studiosantese.eu/userfiles/files/ledimutasosulerit.pdfIn PDF document text
- http://maketmaster.ru/admin/ckfinder/userfiles/files/vogamuzemifutiviza.pdfIn PDF document text
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/lejonadapazukuv.pdfIn PDF document text
- http://geostudio.eu/userfiles/files/tadafuwanepizapolagem.pdfIn PDF document text
- https://myagenda.myagenda.cz/pictures/editor/files/gagegofizobojevezotuvi.pdfIn PDF document text
- http://ccswcd.com/userfiles/file/suzukimiziwunisesajive.pdfIn PDF document text
- http://cuacuongiare.vn/upload/files/libemodunonepejo.pdfIn PDF document text
- https://mannerfeltdesignteam.se/ckfinder/userfiles/files/wuvonu.pdfIn PDF document text
- http://eluvial.com/sites/all/sites/eluvial.com/files/jonomupu.pdfIn PDF document text
- http://inwallendorf.de/userfiles/file/93386078835.pdfIn PDF document text
- http://zhjpharm.com/upload/files/63405005218.pdfIn PDF document text
- http://hueide.com/upload/files/kisalofi.pdfIn PDF document text
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/bpcvau1ouc25mdjtagj9qhmr27/vuvizowukorakit.pdfIn PDF document text
- https://www.educazionesessuale-scuola.ch/ck/ckfinder/userfiles/files/47398120619.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=photo+grid+app+for+pc+free+downloadPDF 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_off0000ded3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDED3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f6e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6E5 | 18172 bytes |
SHA-256: 1a2a34d66d80a9015ace563620f3152bb9747470896ad9da645d504c6d52b1a7 |
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font_02_sfnt_off0001261b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1261B | 10820 bytes |
SHA-256: 0f50bd8782b039f1184fa64d99a382276fab03df16a876cd5d56c0bbd5c18576 |
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