MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS platforms. The presence of numerous URLs, including those with 'utm_term' parameters suggesting tracking, points towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://garglob.ru/uplcv?utm_term=best+call+recorder+app+for+android+phone PDF link annotation
- http://fence-alarm.com/userfiles/files/luzajitezobaduxinev.pdfIn PDF document text
- https://cooperspick.com/files/87655938467.pdfIn PDF document text
- http://sungder.com/upload/subimabujep.pdfIn PDF document text
- http://www.village-gaulois.org/gestion/ckfinder/userfiles/files/wanuvefirulilasixuper.pdfIn PDF document text
- https://medarbindia.org/ckfinder/userfiles/files/3933605989.pdfIn PDF document text
- http://thecountryclub32055.com/userimages/73982850708.pdfIn PDF document text
- http://195exim.com/datas/files/24136885673.pdfIn PDF document text
- http://cuboni.com/uploadfile/hong202109072218299732.pdfIn PDF document text
- http://purel-biopharm.com/upload/files/kadal.pdfIn PDF document text
- http://bishnutoursandtravels.in/userfiles/file/bexejimikejevowa.pdfIn PDF document text
- http://inbond-cn.com/userfiles/file/kiwenupixasa.pdfIn PDF document text
- http://abwingssuffolk2.com/uploads/files/73970011849.pdfIn PDF document text
- http://bibrka-school.org.ua/ckfinder/userfiles/files/daviwapilupomila.pdfIn PDF document text
- http://artgrafika.cz/userfiles/file/levizozoxemekerobadiwiz.pdfIn PDF document text
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/cadac47d130b87e1c7a5b53de822fdb5/29674498431.pdfIn PDF document text
- https://carrieres-pierre.com/userfiles/file/35938954282.pdfIn PDF document text
- http://hacsbathtarntaran.org/~/userfiles/file/figovokolanipopogovo.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/161329dd86e085---52668113688.pdfIn PDF document text
- http://www.tiande-global.com/ckfinder/userfiles/files/jebujetotukomosojonugawa.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/978703a4d7b0f117ecfbea5ff2d66e01/defutenelo.pdfIn PDF document text
- http://tecksco.com/upload/files/29086573924.pdfIn PDF document text
- http://neonatal-surgery.ru/userfiles/files/77197087732.pdfIn PDF document text
- http://infiniti.e-library.tw/uploads/files/rewatitono.pdfIn PDF document text
- https://northwestconvention.cz/data/files/18382461921.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_off0000d534.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD534 | 16484 bytes |
SHA-256: b246fb17248b6f5b21f643239e5296e4bc5cfbf1b844a67bfa27d93cf90176fa |
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font_01_sfnt_off0000ffd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFD1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000117e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117E8 | 10768 bytes |
SHA-256: 6939238df9046db9223a1326505e294275111f8e4f249b9628c66f61d2476b22 |
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