MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users to malicious content. The presence of multiple external URIs and link farm characteristics strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://bestcaps99.com/ckfinder/userfiles/files/88528011096.pdf
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/o2j6c75bf2npsn3fmrivhant43/39484525693.pdf
- https://damiel.eu/userfiles/file/58373975972.pdf
- https://jewfri.kr/files/image/files/54904188538.pdf
- http://candientushinko.com/images/file/33172810345.pdf
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161610362a9923---nafosujatu.pdf
- https://euronuts2009.ge/files/files/wubezetozebe.pdf
- http://archpiudue.com/userfiles/files/56413075129.pdf
- http://rubivina.com/Images_upload/files/90886102808.pdf
- http://heichapuzi.com/uploadfile/file/torevixopafi.pdf
- http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/lipujogorugevabakezem.pdf
- https://cfaegaianascente.pt/portal/userfiles/files/82669348094.pdf
- https://elminhaj.org/userfiles/file/medit.pdf
- http://camberwelltaxi.com/survey/userfiles/files/roluponosoperize.pdf
- http://fatename.com/uploads/files/202109231350569020.pdf
- http://patrick-vallot.com/upload/files/mirijubavafaxuwir.pdf
- https://funke.be/data/file/76141783078.pdf
- http://konberdbio.com/upload/files/53161657536.pdf
- http://hodori247.com/uploads/files/ponumafelokejosev.pdf
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/19d141de1dfc75231d4c8dac642570fb/13301624640.pdf
- http://robalton.es/Albums/images/file///40735418248.pdf
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615756b92b638---xisalo.pdf
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16142dd7d5d519---repogobigupa.pdf
- http://laser-piskovani.cz/democms/userfiles/file/wurefururirufiduwopixe.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=fangirl+rainbow+rowell+read+online
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c356.bin108c3d1fa33fef12a8b64578fe5eaf6a9feece6b32fbf546df79c20b4b1fd02a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC356 | 10360 bytes |
font_01_sfnt_off0000daa2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAA2 | 16792 bytes |
font_02_sfnt_off0000f2b4.binc3be062205d1e13b2b3ffd9c82a35618fa795953cda4ec7f628cec5b95dec35c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2B4 | 17592 bytes |
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