MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to exploit vulnerabilities or redirect users. The presence of a link farm pointing to multiple distinct hosts, many of which appear to be compromised WordPress sites, further indicates a malicious intent to distribute further payloads or phish users. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
Heuristics 6
-
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.
-
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.
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/7010063354.pdf
- https://tresonance.org/uploadfiles/47001991065.pdf
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070405cbe398---59506157360.pdf
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/fc2bfeb34abef8c5d470b005a4a42cab/xawibegufuvewujirase.pdf
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1f9042353---64812139858.pdf
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/e4e8fba7406f941ef8a8556ba879552b/94007830854.pdf
- https://atkarisuli.hu/userfiles/file/39966275441.pdf
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/632imd05cj1lcht2rogkscktc6/75444459693.pdf
- http://aardbeienfeesten.nl/uploadimages/files/62141614557.pdf
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084536cf006d---wuzokomebife.pdf
- http://raffaelecavazzoni.com/userfiles/files/mawusupeweb.pdf
- http://bomtvplus.com/data/board/file/20210520032456.pdf
- http://project-lovcen.me/userfiles/file/20098664268.pdf
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1608c50cbd143d---linotasijevalumopo.pdf
- http://gesundimjob.at/images/content/files/wujos.pdf
- https://karapinarinsaat.net/userfiles/upload/file/litujazane.pdf
- https://raiporjai.com/piceditor/file/53542958972.pdf
- https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/m7nffg6se6iccvrg51l3imrd03/ruzijavolikamusiw.pdf
- http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/b62ebdb28b69346929efa26e8bc0b21d/3077704323.pdf
- http://sushinamu.com/uploads/files/xigofupategikewulo.pdf
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/415805c32ff66648e2333fcfcedd216e/72189498281.pdf
- http://lucann.com/Upload/file/23006583835.pdf
- https://33mobility.net/uploads/files/64979445960.pdf
- http://barnesfamilyconnection.com/clients/f/f3/f37d50667a1bb99e511e26172889fab9/File/78962948134.pdf
- https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6b3ed24a1---24945964847.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=the+hero%27s+journey+by+jessica+mcbirney
- 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_off000100b6.bin58b24540237cb8f915d258fc27535db9c500beba74be06d49c2990da24878244 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100B6 | 10832 bytes |
font_01_sfnt_off0001198d.bin60c98a340ad917ec325ebe3df9727bf7e99f7f7f76dc7916187855c576c22146 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1198D | 18296 bytes |
font_02_sfnt_off000148c5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148C5 | 16792 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.