MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to potentially compromised or disposable hosting. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicate a pattern of hosting malicious content on such sites. The embedded JavaScript likely facilitates the redirection or download of a second-stage payload, as suggested by the 'PDF_JS' heuristic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 8
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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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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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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://mackbeks.com/files/file/wovuvasolugovarakodepu.pdf
- http://naosgym.com/userfiles/files/96684192731.pdf
- http://xn----7sbezcba9a5aggb3j.xn--p1ai/ckfinder/userfiles/files/14250488472.pdf
- http://masan315.net/board/imagefile/file/nixiwexetunoxi.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161360ebc45044---pekidekisunox.pdf
- http://moje-stranky.eu/userfiles/file/javibijotikipipuz.pdf
- http://goldendazzle.com/upload/quangtri/files/7974702549.pdf
- https://pakistanchristiancongress.org/userfiles/file/vilebuxi.pdf
- http://wronba.com/uploads/wysiwyg/file/lekavawisiganuzu.pdf
- https://galerie-louise.be/userfiles/files/4671813360.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161334fc46a1aa---xotiditawumijalabuxat.pdf
- https://global-brand.net/userfiles/files/53294841156.pdf
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16131d9be16dc5---28191532130.pdf
- http://electrogalicia.com/electrogalicia/recursos/archivos/pomamunew.pdf
- http://jjinline.org/file_upload/file/55814542384.pdf
- http://luxcottage.ru/stroykamen/userfiles/files/fogutifekodisu.pdf
- https://adverto.ee/userfiles/file/goworugowajijaporigabas.pdf
- http://www.ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/18590094870.pdf
- http://www.miyadenthai.com/image/upload/File/dureramukibutowu.pdf
- http://hyundai-dongdo.vn/images/files/pavalapiwelaluzum.pdf
- http://abwcolley.com/uploads/files/3210826611.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=structure+of+dicotyledonous+stem
- 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_off0000b275.bin8b973de1b9dd93168400bcffd8433e90c0907125270f09b4143388f9009a9538 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB275 | 15612 bytes |
font_01_sfnt_off0000da56.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA56 | 16792 bytes |
font_02_sfnt_off0000f26d.bind3a28d5e8653bdcdb0d9a66d94c36ada6520f256304b57c52fba114839ec48a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF26D | 10764 bytes |
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