MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and embedded links are consistent with phishing or malware distribution tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://rentator.com/uploades/fckeditorfile/80027746652.pdf
- http://candientuvibra.com/images/file/13100397812.pdf
- http://rracc.com/file_media/file_image/file/fugusotekamawu.pdf
- http://klaaswester.nl/img/file/wufuzasavabejefugozu.pdf
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1614b18dd2af1b---92757334035.pdf
- http://myucpb.net/userfiles/file/tijusijipufefes.pdf
- https://812423.situshoki1.com/contents/files/gesapetoruliwi.pdf
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613877c60a2d4---55299080372.pdf
- http://mdknoodles.co/uploads/files/gugagovuzosetan.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161399b62005fb---bitafatogoboveb.pdf
- http://diagnosticaedilizia.com/userfiles/files/palapizotebowinuba.pdf
- http://abwingssuffolk1.com/uploads/files/pevejupimamufikobav.pdf
- http://lonerangerfanclub.com/ckfinder/userfiles/files/jegunupefewolaxiwulokepug.pdf
- https://beldapin.com/calisma2/files/uploads/vemimi.pdf
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613672218e3b5---kigelusepisux.pdf
- http://themetamorphoseprogram.com/userfiles/file/lajalepaw.pdf
- http://pomodorolennep.de/gfx/userfiles/files/95569422348.pdf
- http://membranekeyboard.de/_data/file/81325898263.pdf
- https://artofsurfing.com/preview/ckfinder/userfiles/files/22562551305.pdf
- http://dh-cell.net/ckfinder/userfiles/files/40720842182.pdf
- http://neilreardon.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/25772057879.pdf
- http://rydelko.pl/userfiles/file/97514565150.pdf
- https://namdolove.com/FileData/ckfinder/files/20210904_F25E41DD15538CA4.pdf
- http://www.vandiestbrandstoffen.be/uploads/files/25810676232.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=best+city+building+games+on+android
- 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_off0000b122.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB122 | 16792 bytes |
font_01_sfnt_off0000c939.binae1f285b5bd37d50160702473e3cdb1cc11f83a5deb2a50c3b437857c372839f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC939 | 11120 bytes |
font_02_sfnt_off0000e2ff.bin3105b2ec46f3896a530a66537f664f29d27eba2c044c9cfab7fce16bd84aa509 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2FF | 17032 bytes |
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