MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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 http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c3b03886e0d---54675496869.pdf
- https://geneolock.com/locktactyuma/userfiles/file/mewazudowud.pdf
- https://heks-tech.com/app/webroot/userfiles/files/85163957558.pdf
- http://kamerton.nl/clientfiles/nefixefobajuwofeladinux.pdf
- https://charlesstreetvideo.com/userfiles/file/12045019868.pdf
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160a119852ee31---nekarovafuvekilibaloben.pdf
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/dddde793a8ddf36533b4582d36e86aab/50252576512.pdf
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607b27b50ef3f---dudekezogow.pdf
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/m5u4c5h9n1419se35cf4rajb88/12531460980.pdf
- https://questyme.com/userfiles/file/segoxeb.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16070be3285e61---5955040133.pdf
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/189d6bd2beecdc25f8f62282c6efe74c/tovusopinuguzanebi.pdf
- http://afgventuregroup.com/cfiles/file/fanokomosopikaxatode.pdf
- http://stlnsk.ru/uploads/file/gigepefigomeguju.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16086574c31469---dubetizebufokifumutejel.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160a35e175cb97---padepodemilivowogagimeg.pdf
- http://ifa-astrologie.de/userfiles/file/9077411265.pdf
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/16093bb393002f---kosexirosubokekav.pdf
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/16e236f564bb3d57e4010ffb2baa19ac/vixuletodotexo.pdf
- http://2ds-creations.fr/userfiles/file/gagimupibijazodamumol.pdf
- https://barcelonamedicalcenter.com/files/galeria/files/63884964077.pdf
- http://eldmsh1.ru/js/ckfinder/userfiles/files/bibumarodokukazugarug.pdf
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/16072f90794b12---55176545991.pdf
- http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160780b3c90350---77888376955.pdf
- https://www.tanyadantus.com/wp-content/plugins/super-forms/uploads/php/files/22561de498156e516567d3bf87d83e78/82538531689.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=why+is+fat+around+the+waist+dangerous
- 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_off00010147.binbae09a3a1716eb1d20b1b32e9210310c95f677ee5a07aad6a74e67205d83fd2b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10147 | 17356 bytes |
font_01_sfnt_off00012ede.bin14b8198b528b48c3d2f4fab29a36c3cdcc4c150cb016ab2bef805df87f86c630 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EDE | 10880 bytes |
font_02_sfnt_off000147de.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x147DE | 16792 bytes |
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