MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code. It also features a link farm pointing to compromised WordPress sites, suggesting an attempt to distribute further malware or conduct phishing. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/jf9nejl26i5l1qi1oe5avobae5/24020508676.pdf
- https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/708c458db809170d5ae441f5ea44d2e8/73810590174.pdf
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ac8454e3545---nemubaxigoredejujo.pdf
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/c46ce60940c37d9e000ffa86a12c0e4f/91970466152.pdf
- http://smitheaster.org/clients/861344/File/sepipu.pdf
- http://ildungrice.com/fileupload/fckeditor/file/8846038380.pdf
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/kgsqbocfst3gh0jmp8c9u8e92n/gujimetulatorunamezepazib.pdf
- http://mjsolankifoundation.com/fck/imagesfile/vinivekolirekiweja.pdf
- https://kham.vn/userfiles/file/2367825626.pdf
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/17a6ba4d2f6311cce815bd4e9422f352/pewijetedatiwajekatulun.pdf
- http://www.urbanwaterways.info/files/7049353145.pdf
- http://herculesestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dibutepotosikejeragogu.pdf
- http://luxmeterthai.com/ckfinder/userfiles/files/pafunozadenosiwijupod.pdf
- http://tauben-buchmeier.de/kleinberliner-schuetzen/userfiles/files/50701534165.pdf
- http://polkovnik.su/upload/file/95178457107.pdf
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b8e8a4b47d---vunuluzerefibagovonisebo.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/90a99e345bcdf8e38e27696eb1a1ccd9/43413233622.pdf
- http://docando.es/js/ckfinder/userfiles/files/16167267288.pdf
- http://alemotta.com/resources/original/file/9695980144.pdf
- http://shiraz.sk/ckfinder/userfiles/files/xolixeweworo.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b4958a6ec9a---91783945684.pdf
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c98505ee758---77818700868.pdf
- https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/c3a344668bf2500d070d0e31cf32842b/82424936863.pdf
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/a5ec6af0290cdc142d146c1d5fc6a954/mipigepigopolireniw.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=kunci+gitar+paramore+the+only+exception
- 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_off0000e834.bin8761c53fb70c84bcfb01c66d2522ccd0dec20101ea8c6ffea27bf205e8be8d28 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE834 | 10960 bytes |
font_01_sfnt_off00010179.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10179 | 16792 bytes |
font_02_sfnt_off0001198b.binfbbd529d1fa01e5fc31a99f1b6ab4672b0b5b96f954459a2ad44d91c6b5253ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1198B | 17680 bytes |
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