MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1190 Exploit Public-Facing Application
The PDF contains embedded JavaScript and numerous external links, many pointing to compromised CMS uploads or disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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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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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://allytemp.ru/uplcv?utm_term=essentials+of+educational+technology+pdf
- http://longarmacademy.net/fckeditor/userfiles/file/54355342040.pdf
- http://wawabed.pl/uploads/userfiles/file/kozofezawimi.pdf
- http://gerd-pollak.de/userfiles/file/ruwawexumabusawubikajiz.pdf
- http://tsuiteru66.com/userfiles/file/68374378432.pdf
- http://nuklearmedizin-amro.de/userfiles/file/sosilulixisef.pdf
- http://papaicountrylodge-longstay.com/user_img/files/xepujamibobi.pdf
- http://mcutech.net/files/23399350219.pdf
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613cd75dda5be---xilerogufesimubegijurona.pdf
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16151cf08f3e34---12145729284.pdf
- http://coyada.com/up_images/up_images/jimixufogal.pdf
- http://tion.hu/upload/file/vuvemorilovuzes.pdf
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16139a51f89ec3---43217808518.pdf
- http://merwepizza.com/upload/file/tusagipuveda.pdf
- https://zufiks.pl/uploads/userfiles/files/pubopekolikadaroxaziku.pdf
- http://caogenzhiben.com/filespath/files/20210923150450.pdf
- https://semagro-msw.ru/pics/images/file/sebawujosawere.pdf
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/1614e1b008c600---pevukepexegabagi.pdf
- https://robert-zauer.cz/userfiles/file/56017960107.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/8605fe83ae239b86dfc233d7301b57ba/sovabusipuxujonab.pdf
- http://battlegrouponline.com/app/webroot/js/ckfinder/userfiles/files/gixotivuratodunaju.pdf
- http://kamerton.nl/clientfiles/xulivozovejeniximopa.pdf
- http://sujitonweb.com/userfiles/files/vizoxopozomifawuposusal.pdf
- https://eco-translation.ca/upload/editor/file/maxepegosasis.pdf
- 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_off0000b4da.bin4169e9e589ed6df083746bdde363019d1842ce9b4e925ba3f1ca288718df21b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4DA | 17832 bytes |
font_01_sfnt_off0000e29b.bincbf0c33dc2d5f74e48cb0cba0f6868d80deb7a39832ad3120f7de7b24d872f1d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE29B | 10996 bytes |
font_02_sfnt_off0000fbf2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBF2 | 16792 bytes |
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