MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for delivering malicious payloads. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded JavaScript likely attempts to download and execute a second-stage payload from one of the numerous URLs found in the document, many of which point to compromised web servers or disposable hosting. The presence of a link farm heuristic further supports the idea that this PDF is designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9910
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://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/676ef5583907a41a049e31474b1bc887/xepuxit.pdf
- https://aprilboya.com/userfiles/file/86109644555.pdf
- http://ahkjt.com/upfile/file/17549793268.pdf
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ad9b339c78d---posufudelobor.pdf
- http://ipsgroupjjn.org/userfiles/file/13513301583.pdf
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/upnc4r1g0aj8mqmgetgdomhrdg/fikofi.pdf
- http://leesfeest.nl/leesfeest/sites/default/files/file/xegizadexikakafireju.pdf
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16088f07087d75---6238286765.pdf
- https://dm288.rs/slicice/file/basujuzupela.pdf
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/cnc443rvtbabnqj4hi2rgnvkg4/49298969610.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c85a8c14f4---bamegow.pdf
- http://rainbowcaterers.in/userfiles/file/53759374713.pdf
- http://plusk-car.com/js/upload/files/mosusowuxawotu.pdf
- http://abpaluso.com/upload/file/vemat.pdf
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160990975d991a---8522912261.pdf
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16093df2f7efcb---52617810569.pdf
- http://apexibd.com/uploads/fck_uploads/file/18152032782.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/1048eb4321a2385101503fd80f41f54c/88085913923.pdf
- http://centrons.com/uploaded/file/137986202560b5099a153ea.pdf
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/5914741c5c02ba2c480150600fb4a550/27050763738.pdf
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ceec5b6312---detorabu.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=pivot+meaning+in+telugu
- 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off00014018.bind9f5e66163d907df9b2c2f031b8906ab183602eda4757f3e8ef428a9cf922d60 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x14018 | 18328 bytes |
font_00_sfnt_off0000dd47.bina8161c2f5ba9235eb51b4fcc43b6bb219725019365cb8d38f9ec25dfe5ce54ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD47 | 3464 bytes |
font_01_sfnt_off0000eac7.binfcc44b0b6678294f3a3de08b4c32ab963764324d30ddad953efa523073f2eded |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAC7 | 10352 bytes |
font_02_sfnt_off00010222.bin837568af4ef065da4055340718ffd64123f4a33dd21ed953bd5a2ea29e0f0b92 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10222 | 25252 bytes |
font_04_sfnt_off00015db9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15DB9 | 16792 bytes |
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