MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress upload directories, suggesting a link farm or redirection scheme. The ML classifier strongly indicates maliciousness, and the presence of external URIs and link farms points towards a phishing or SEO poisoning attack. No scripts were extracted, but the overall structure and URL patterns are indicative of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
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://inwebjor.ru/uplcv?utm_term=naked+news+watch+series PDF link annotation
- https://erdemlerkoleji.com/resimler/files/80469141616.pdfIn PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bce5b10d09---95593742836.pdfIn PDF document text
- https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608048cf98cd5---wuromoxapoxuwavojiroj.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/92ca08305aeec3a534d2251972d18c3c/tamed.pdfIn PDF document text
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/c4e419bd93599579cc0946cba1c659c5/gedowarovulurijanotivak.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/67f8480aa8e09417568102ea2f25205e/jurapa.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4b8a319e5e---pelodonajosarofewedubu.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4096bd505e---fijepu.pdfIn PDF document text
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/4a2d2ec68cdd2c2f0f56a6fa0fb77cc3/65215891802.pdfIn PDF document text
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160bbf1c28fb16---55814572952.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160838310889f9---12441682579.pdfIn PDF document text
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/262ee757dd119c15036eec51c87fecc6/doparagatozapodabegimup.pdfIn PDF document text
- http://chupanhnoithat.vn/upload/files/gewajulobipesup.pdfIn PDF document text
- https://paklya.su/design/img/upload/file/petifowuki.pdfIn PDF document text
- https://ascinfratech.com/clientprojects/trading/file/1778622418.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf047eed195---51303292910.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b7475292caf---xumekuxorovisulokibix.pdfIn PDF document text
- https://alajuusa.eemedia/contents/file/karetajizuvoxet.pdfIn PDF document text
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/17efbe1caa14b012274d57a5800f2d93/99751558783.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160b6df65cec01---54766000638.pdfIn PDF document text
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/86238b90580a3a3b2e9791e0d8a4f039/64092606286.pdfIn PDF document text
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/ed71ad46d3cbf11688934cfccf814bc0/tavadonako.pdfIn PDF document text
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/s6hchve005ovohmc2l73uh676c/nakezazotagesajogoladupo.pdfIn PDF document text
- http://instandee.com/Images_upload/files/4167128517.pdfIn PDF document text
- https://implant-drill.com/userfiles/file/83064644760.pdfIn PDF document text
- https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/2091bm0f30pho91hmeu0q29n7s/77967556428.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010e20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E20 | 17252 bytes |
SHA-256: ed3f6cbf5e7f70d98b52c7e42390c9674c7993066f6f11ce3168bdfc7a08404c |
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font_01_sfnt_off00013a4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A4E | 10456 bytes |
SHA-256: 8392baf3c01da9c2221333dd8d840ab4ec76950dd14e3815285ca4ad43febc63 |
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font_02_sfnt_off0001520c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1520C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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