MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript and numerous external URIs pointing to compromised WordPress sites and disposable hosting. The heuristics indicate it functions as a link farm, likely intended to redirect users to phishing sites or download further malicious content. The ClamAV detection and ML classifier strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://oniceh.ru/uplcv?utm_term=from+the+inside+out+chords+pdf
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/160706223036f5---12831899373.pdf
- http://matstravel.ru/userfiles/file/94415539295.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160731e9c79f18---34502091621.pdf
- https://aawyx.com/sites/default/imageuser/file/pudexivokinulatabesa.pdf
- http://movesearchesuk.com/userfiles/file/23019571114.pdf
- http://progfin.pl/userfiles/file/dubetaxozupujagunegewa.pdf
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160db727c3d289---35542345394.pdf
- http://vuatoyen.com/uploads/userfiles/file/22927639950.pdf
- http://casaatlantida.com/userfiles/file///41404429725.pdf
- https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/0fef823891a81b6714795ac02cce8127/49489514227.pdf
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/a65503373a7474543952ef43099173d3/wimezututozezolidozoboke.pdf
- https://www.elitelawnsolutions.co.uk/wp-content/plugins/super-forms/uploads/php/files/ucebcea6r1qof880r448fe21rb/zusate.pdf
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/ab69774a0b1bb12a5c807b341f43555a/jajunuwilokirisola.pdf
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609868899141a---wunaxetakajidijasegifi.pdf
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c30252ce1bf---girusowep.pdf
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fac758c3ebd---41372521845.pdf
- http://kqcme.yiaiwang.com.cn/upload/files/63025017222.pdf
- https://gimenezricarte-deltabogados.com/ckfinder/userfiles/files/funabudasu.pdf
- http://cableesmaltado.com/d/files/84231624938.pdf
- http://jiangsutravel.kr/userfiles/files/20210630_225704.pdf
- http://blevy.com/ckfinder/userfiles/files/guwilodinekaresekejeb.pdf
- https://alcoolassistance-creuse.net/www/site/js/ckfinder/userfiles/files/94914015232.pdf
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/te38rohls11kav9dvh3vthoqmb/tubugokiretaripipu.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_off0000da41.bin13392dd7f6b99da534d9496dcaef24d327ab7a072bdf5d9aa5ccdd862422c3e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA41 | 17096 bytes |
font_01_sfnt_off000106f7.bina41fd3ca1099b540265bc0c8c9f66118c323722bb2deec71e1c9de5f7d0a41d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106F7 | 10752 bytes |
font_02_sfnt_off00011f83.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F83 | 16792 bytes |
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