MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to compromised CMS uploads and disposable hosting, suggesting an attempt to host malicious content. The presence of a 'download button' heuristic further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://panificioilcavaliere.it/userfiles/files/93645921072.pdf
- https://vnsteeldetailing.com/UserFiles/files/jodeganevowewima.pdf
- http://fosterfreezesantarosa.com/uploads/files/40800885249.pdf
- http://www.humillacionyestrella.org/ckfinder/userfiles/files/38409623881.pdf
- http://aktifithalat.com/resimlerfiles/sudoneno.pdf
- http://sciattella.net/images/file/difudalananije.pdf
- https://www.bakkersvlaanderen.be/resources/plugins/ckfinder/userfiles/0/files/64556595366.pdf
- https://catequesisnavarra.org/guiarte_userfiles/files/wikifofilibibena.pdf
- http://ronaldtan.nl/images/photo/nisimi.pdf
- http://itps-group.com/uploadfiles/file/15160607796.pdf
- http://edu-soft.ru/site/htmlimages/file/tafowidalorelarobotex.pdf
- http://arucax.am/user_images/file/kumununivazorob.pdf
- http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/zuwidiwezorapam.pdf
- http://tele-klass.ru/i/upload/files/25563242138.pdf
- http://taispacedesign.com/upload/files/mobidudisisijuked.pdf
- https://dmitrovka-zn.ru/admin/ckfinder/userfiles/files/bupikanebavepur.pdf
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/cf43bbf21b51c15fabf069b568179445/gorononugebaj.pdf
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/4hobtp09o39d5i0ib6ref2h817/49078570375.pdf
- https://vnjhanoi.com/upload/files/86198073604.pdf
- http://quiltingacademy.info/fckeditor/userfiles/file/dakuganuzawowixumomonitan.pdf
- http://xn--j1aii.su/userfiles/file/loregasobiberuwak.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613bab16ec058---xemamoleloxibegile.pdf
- http://filipdegreef.be/uploads/files/60650328548.pdf
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae7c524ee7---54058331150.pdf
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/161363a874bdf9---datonarekijar.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=descargar+pokemon+heart+gold+para+android+en+espa%C3%B1ol
- 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_off0000bf57.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF57 | 16792 bytes |
font_01_sfnt_off0000d76e.bineebd633ddf5b82fb4c8c54c47786feec318204f48faf2ddbe0e65a29b7aa3d06 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD76E | 11260 bytes |
font_02_sfnt_off0000f12f.bin4bfabef97b29cf26425c6ae64416b05a085237909e193c906c5961df823d127e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF12F | 18064 bytes |
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