MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, a common technique for executing malicious code within PDF documents. This script likely redirects users to external URLs, as indicated by the numerous PDF_URI and EMBEDDED_URL heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://gppacdatabase.net/userfiles/file/fuwesugaxeroputixawab.pdf
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/459ac3a106ad2d8a8c2a707b65679200/86589398116.pdf
- https://netwindowvn.com/uploads/userfiles/file/ponaz.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613491ee426fe---88593141896.pdf
- https://locoffice.ru/userfiles/file/kisinagulumexowomenaxaret.pdf
- http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/xepixenubiwuzabafemajater.pdf
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/9vvefvqq31p2i5t8qd3m37r8re/12995274113.pdf
- http://askort.pl/Upload/file/kobavatogozivofig.pdf
- http://cukiernia.eu/upload/files/rizuworaniluwikazunuj.pdf
- http://bkht.vn/userfiles/file/katevakexuwifog.pdf
- http://blessingsngo.in/userfiles/files/1661406302.pdf
- https://at-studio.tw/app/webroot/userfiles/files/20210905_040915.pdf
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/3b21b1b6346d2affbd32f0214f1a0cb1/jedixumarawit.pdf
- http://loca-granderoue-montaletang.com/ckfinder/userfiles/files/gafagoporu.pdf
- http://doanekeyes.com/userfiles/docs/50978611237.pdf
- http://pedraferro.com/files/files/bimotenomagenoforeneze.pdf
- https://alnahamgroup.com/userfiles/file/30804844665.pdf
- http://tatugigo.com/ckfinder/userfiles/files/94953902473.pdf
- https://akamercedes.com/images/uploads/files/88096799567.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/9673749afb3c64b8fd4614613a074a75/zuwarakabetoweduduwizeb.pdf
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/58c6c35230d57a106729d2de25e7b68b/17908590046.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=wrc+game+apk
- 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_off0000bc7d.bind05bc56d2f610d57d0030ed6a9b23026c62adaf82634e2597cda35a347d837d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC7D | 10172 bytes |
font_01_sfnt_off0000d34c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD34C | 16792 bytes |
font_02_sfnt_off0000eb5e.bindf69277d302e7c217008c3616068cc6da5c4837328d3475615b8c8b62316279d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB5E | 17604 bytes |
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