MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a large number of embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm. The ML classifier strongly flagged this PDF as malicious. While no scripts were extracted, the primary function appears to be redirecting users to potentially malicious or SEO-manipulated content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://drafthe.ru/uplcv?utm_term=what+happens+if+my+dog+eats+grass PDF link annotation
- http://omonetach.pl/foto/ilustracje/file/subev.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/234pbsooq9eltmuvb3e68883kl/tukorulavedikilutizur.pdfIn PDF document text
- http://www.rotudavid.com/ckfinder/userfiles/files/77920836684.pdfIn PDF document text
- https://egyiksem.hu/uploads/file/22605636712.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2740df656---11491757893.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16081eb504f848---7214913114.pdfIn PDF document text
- https://mrmobilewebsite.agency/wp-content/plugins/super-forms/uploads/php/files/f7ec3c83b7b709e9a3f95d48cbd84fa0/5891080374.pdfIn PDF document text
- http://lacasedescaraibes.fr/file/jufexizi.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/2817f9a4ce43ec451cf185e2673937ee/94854039148.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cdcd713efe1---19290918829.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5e40b78bb---67802000429.pdfIn PDF document text
- https://mbzl-pro.xyz/web/img/podborky/files/77163121035.pdfIn PDF document text
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/ceae729f66cb4617bebb120abc758b69/gunevuviparaja.pdfIn PDF document text
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160774ae083a8a---1436969262.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/gi64arjq7ug3g338nps6eqhf87/57064671446.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb108752fa---favuxogafirawef.pdfIn PDF document text
- http://bpsstudio.hu/uploads/82129917023.pdfIn PDF document text
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/pr0ei8lupm6rg9otgqbg09vkoc/xobidag.pdfIn PDF document text
- https://marosme.ro/hirek/file/52960340087.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/2050f7d01f7d1ea026f44398ab4627ad/fivasavup.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160be2f3323efa---99967239896.pdfIn PDF document text
- https://lescourailleurs.com/upload/editor/file/bifikozije.pdfIn PDF document text
- http://fairway.cc/images/blog//file/nozej.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_off0000f172.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF172 | 17248 bytes |
SHA-256: c2615b97b683d5215e5a29bc634735ebfcae49fcb0a06177c8319c707ab3b908 |
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font_01_sfnt_off00011e3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E3D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013654.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13654 | 11008 bytes |
SHA-256: faa4e8a3ab0a8f87945bb8463dafaf77201f8bd943e8af0cf675cd5837e27815 |
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