MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links pointing to compromised WordPress sites and other disposable hosting, indicating a link farm designed to manipulate search engine results or distribute malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 5
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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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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.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607886f1d586b---punonawuzovitasolaputot.pdf
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7e6291206---zakezesunebo.pdf
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/649907ophqd0r06sf7fmiijqi3/gatudivuwujubosa.pdf
- http://cayxaotamphan.net/userfiles/image/file/nowipe.pdf
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/0ku4fujgcmqfdoioblcrstmhc1/11044057082.pdf
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/rpd0pb4tqjldpqe06l42lo1jt4/memelaw.pdf
- http://crisismobile.com/ckfinder/userfiles/files/meponixonege.pdf
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607c036177dff---popafomepabewapopoletis.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/365hoao5ild7fg083e1aucpf92/18985119981.pdf
- http://brkvinc.com/userfiles/file/61404480442.pdf
- http://chinasoftcore.com/userfiles/file///wazoji.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160768bddb59d1---xifoxetileroramawozagaj.pdf
- https://rzfmuhasebe.com/userfiles/file/jubaw.pdf
- http://photou.cc//ckfinder/userfiles/files/37228546027.pdf
- http://lempreintedubois.fr/userfiles/lempreintedubois.fr/file/96237135074.pdf
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/987f6583b38119b7198b024353e3c567/jitikawabijeduwiroled.pdf
- http://com123.vn/uploads/file/wisefuzorexizon.pdf
- https://acavacecio.it/userfiles/files/wapamobutamezew.pdf
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/871ed424c079254f2a64c5251a749d75/81221058943.pdf
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/1c9r6ms0gj74brlekj1vh72231/kukuvitimurixapitaroko.pdf
- https://vansuloi.com/uploads/userfiles/file/lejepurajinebidiso.pdf
- https://idd.no/ckfinder/userfiles/files/mazaxuwosuzulanexomorabeg.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=formula+for+total+mechanical+energy
- 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_off0000ec05.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC05 | 16792 bytes |
font_01_sfnt_off00010417.binbd6d3157e4234b98341d0afe91d6cc3a5b2f8b046f53a0a4b9abcd1bb7c06e00 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10417 | 17224 bytes |
font_02_sfnt_off0001314a.bin01a03efb9dfd3136209b03b7c53d4f0333b66bb113b539ca7ba8d100e13532af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1314A | 10808 bytes |
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