MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV and an ML classifier as malicious. Heuristics indicate it functions as a link farm, directing users to multiple disposable domains. The presence of numerous unknown-reputation URLs, many hosted on compromised CMS uploads or disposable hosting, strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://sbriz.ru/userfiles/file/pakobifesidirojufa.pdf In PDF document text
- http://deaprogettazioni.it/userfiles/files/ruparitupibarinonugukufi.pdfIn PDF document text
- https://weborder.cloud/userfiles/file///32262054392.pdfIn PDF document text
- http://elskup.pl/images/assets/file/biladolotedakijisawak.pdfIn PDF document text
- http://hurtmar.pl/Upload/file/bepiwudaxivafumoro.pdfIn PDF document text
- https://bjjewels.net/nbloom/fckuploads/file/pezedipufapilepazavow.pdfIn PDF document text
- https://mintedimages.com/ckfinder/userfiles/files/kajemidudivod.pdfIn PDF document text
- http://satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/17744573069.pdfIn PDF document text
- http://seoaudytor.pl/userfiles/file/pijuxujoruzeke.pdfIn PDF document text
- http://gokea.org/upload/editor/files/zidado.pdfIn PDF document text
- http://leaguengn.com/userfiles/file///tuligojuk.pdfIn PDF document text
- http://www.dfdtrading.sk/ckfinder/userfiles/files/89530905354.pdfIn PDF document text
- https://radekslodkiewicz.pl/files/file/siwesibifoxuzo.pdfIn PDF document text
- http://trinitysportsandleisure.ie/userfiles/file/katixoverozukake.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/161483d67183a4---zurapomumemo.pdfIn PDF document text
- https://karlholmbygg.se/UserFiles/files/62445190284.pdfIn PDF document text
- http://marmaraisg.com/images_upload/files/69591473413.pdfIn PDF document text
- http://www.mecateengenharia.com.br/ckfinder/userfiles/files/81177316424.pdfIn PDF document text
- http://xn--54-dlcdkamdj4btild5b.xn--p1ai/ckfinder/userfiles/files/ketitugejod.pdfIn PDF document text
- http://evrokomplekt.ru/userfiles/file/wubusodiwubu.pdfIn PDF document text
- https://dursunguney.com/userfiles/files/bosejekubovuwavedero.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613847df68b1f---jigovis.pdfIn PDF document text
- http://mtcnx.com/upload/fckimagesfile/fefijojirodupukodumofaf.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612f254c4bba0---71505461118.pdfIn PDF document text
- https://petala.gr/userfiles/file/21420520926.pdfIn PDF document text
- http://tuclubcr.com/campannas/file/69105851330.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=lock+on+android+phonePDF 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_off0000e867.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE867 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001007e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1007E | 10348 bytes |
SHA-256: 141d8de5980827f66bdd284a978ddf82ec658e1206a45326823c4f092b7b5bcf |
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font_02_sfnt_off000117b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117B2 | 17620 bytes |
SHA-256: a3d3682e2bef07b59a3971af59177c2e3b26cf79ebe996d578673c84a92377e8 |
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