MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS uploads or disposable hosting, suggesting it functions as a link farm to distribute further malicious content. The presence of external URIs and link farm heuristics strongly supports a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://uchid.com/uploads/file/loropebawokanukolubezezij.pdf In PDF document text
- https://xn--22ck6bdp5cach0mc23a.com/ckfinder/userfiles/files/92714681691.pdfIn PDF document text
- https://www.fishhabitatnetwork.com.au/application/third_party/ckfinder/userfiles/files/89344581302.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134da7021dfc---zedasogudetesero.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613d09f090d51---lirivikatenenumoretep.pdfIn PDF document text
- http://valencia.thepokeluau.com/uploads/files/26507592708.pdfIn PDF document text
- http://m-s-g.ru/userfiles/files/85954290041.pdfIn PDF document text
- https://economiadecomunion.net/ckfinder/userfiles/files/38736599492.pdfIn PDF document text
- http://miraesusan.com/ckupload/files/6630116755.pdfIn PDF document text
- http://lobi.md/userfiles/file/lepisatapumotafofukute.pdfIn PDF document text
- https://ka-base.no/images_content/file/84763324842.pdfIn PDF document text
- http://orsini-blasioli.it/userfiles/files/nemojetumopopemobatif.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134d919f0940---xudaj.pdfIn PDF document text
- https://gulfsupremesa.com/ckfinder/userfiles/files/64117309098.pdfIn PDF document text
- http://kadh.kr/bobod/upload/file/lanokigunupujoredezet.pdfIn PDF document text
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/f5f371f570d4e5999a2c5bdcdc875fb2/navexeterilexafijake.pdfIn PDF document text
- http://businessdevelopmentcenter.pl/uploads/userfiles/files/5769119835.pdfIn PDF document text
- http://autobedrijvenindex.nl/images/uploads/78760427264.pdfIn PDF document text
- https://gad-elhak.com/userfiles/file/23094203269.pdfIn PDF document text
- https://www.privathospitaletkollund.com/ckfinder/userfiles/files/vitiwov.pdfIn PDF document text
- https://barrierball.cl/ckfinder/userfiles/files/jesajaxixipon.pdfIn PDF document text
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/16133f7596bbee---60593692739.pdfIn PDF document text
- http://rivebistro.net/ckfinder/userfiles/files/74248264619.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=ookla+speed+test+apk+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_off0000b815.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB815 | 10396 bytes |
SHA-256: 9f3d60251a55fe8079c4a0ee1c0e0e662aa10197f0bac7a4d92c714204984ef0 |
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font_01_sfnt_off0000cfdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFDD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e7ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7EF | 15596 bytes |
SHA-256: bc0af151254b6baaf9786c37300f136e4180e3276e3b5a511987a8e117ed774e |
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