MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many hosted on disposable domains, characteristic of a link farm designed to redirect users to malicious content. The presence of embedded JavaScript and ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 8
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://www.florentmaussion.net/userfiles/File/38629219636.pdf
- http://impactpluslearning.com/ckfinder/userfiles/files/65153122923.pdf
- https://laser123.com/geektic/files/nazebemepugorokoz.pdf
- https://acconpriti.com/ckfinder/userfiles/files/49653224871.pdf
- http://snailgame.ru/upload/files/20210914101521.pdf
- http://azseal.net/uploads/userfiles/file/namilogibudone.pdf
- https://otoform.com/upload/ckfinder/files/50133543595.pdf
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/16133faf477590---betupidijulodu.pdf
- http://maryalo.com/userData/board/file/wumijaruzegatigufesemelil.pdf
- http://dnestrovsk.es-pmr.com/constructor/dnestrovsk/ckfinder/userfiles/files/balutero.pdf
- https://rtaadmin.mrv-educationservices.com/content_file/files/bezetimurufozejolajoje.pdf
- http://www.psychophonie-tarbes.com/ckfinder/userfiles/files/7457062127.pdf
- https://rosewoodcity.org/nbloom/fckuploads/file/samatexofu.pdf
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/161354bdc27854---wolugisazito.pdf
- http://paitoonbox.com/userfiles/files/danixojogowirovupuruxo.pdf
- http://naosgym.com/userfiles/files/jivejakodego.pdf
- https://skvacations.com/userfiles/file/pijunugulakow.pdf
- https://matfreklam.com/calisma2/files/uploads/korutusudijaxepuzokazuwux.pdf
- https://eltonltd.ru/sites/default/files/uploads/difoxubijuzedizigufudar.pdf
- https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613fce9437ac7---84842460426.pdf
- http://4998horo.gmmwireless.com/contents/files/bivixotajuzoluzag.pdf
- https://tepihtrava.rs/files/16829705390.pdf
- http://bortran.com/upload/image/file/20210908051133.pdf
- http://speed-r.com/js/upload/files/55823464828.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=free+followers+without+password
- 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_off0000d894.bin371e053bc14892e0954192639add2f7a3bd9299ae6e158248f564d62f61a1cad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD894 | 17264 bytes |
font_01_sfnt_off000104ed.bin4b87aa823c0518f13275961a1a5fae7045929e8c2b1b6daadb39df16ec9f2f82 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104ED | 10652 bytes |
font_02_sfnt_off00011d7c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D7C | 16792 bytes |
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