MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF contains embedded JavaScript, which is often used to redirect users to malicious sites or download further payloads. The PDF also contains a link farm pointing to compromised WordPress upload storage, indicating a phishing or redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://kiavysocina.cz/UserFiles/File/75968741882.pdf
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/c796b0e1dbbd354501e9c57bf5e63913/kenofufopakafosej.pdf
- http://azbuka-d.ru/ckfinder/userfiles/files/65629799504.pdf
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16087f957dd0f8---45920660333.pdf
- https://www.spitalmoldovanoua.ro/ckfinder/userfiles/files/9356974716.pdf
- http://pospatrans.cz/UserFiles/File/kavifujotupexewafiwe.pdf
- http://dcbestwings.com/uploads/files/xezafazadafi.pdf
- http://mcutech.net/files/89051174335.pdf
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e9a5c8ed79---muvowebadumekav.pdf
- https://psiakocky-potisk.cz/webpagebuilder/ckfinder/userfiles/files/tiwagudenifalal.pdf
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612c05235fe01---lasitumutufafobasa.pdf
- http://phenix-security.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16073e04241582---47525708714.pdf
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a5743c4caf1---tepajaveresurodifinabeje.pdf
- https://pcetravel.com/files/file/26018381166.pdf
- http://sparan-art.ru/ckfinder/userfiles/files/mosojewirilafo.pdf
- http://morgancountyoh.com/userimages/mededaxopereralan.pdf
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e1d14458a2d---32594541715.pdf
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/js7bt74nmr36ae116m4hi2qub6/61443984700.pdf
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ebc5fd9bd0---guxalekudugolomofenimewi.pdf
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8ddf921a44---3581619864.pdf
- http://divorce-difficile.fr/userfiles/file/7308613215.pdf
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/5315345f2195495691803784971d26ac/3537989462.pdf
- https://konferencii.ru/js/ckfinder/userfiles/files/siziragopozaxa.pdf
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b957236eb1---pimewevatefugeselokev.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+use+a+manual+light+meter
- 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_off0000e275.bin12be45bc720264f742b9547a5e6f62496e319630dd72d772568d2253552b9d9d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE275 | 17176 bytes |
font_01_sfnt_off00010ea3.bin3a20ceae570b2bdb4a8c690129c32d81276a3bc2d9113963e131c4827a77f482 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EA3 | 10732 bytes |
font_02_sfnt_off00012718.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12718 | 16792 bytes |
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