MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links pointing to various websites, many of which are hosted on compromised WordPress installations. This structure is indicative of a link farm designed to distribute malicious content or lead users to phishing sites. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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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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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 http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160780f658fc46---rimaxedixidep.pdf In PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/kuc05a1o0ml7ojk137u4afut1m/dolaxuniribo.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b6cee2549---pasupijejojoditava.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160cd00eeae0bc---29627150601.pdfIn PDF document text
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/058b70827d5516579ff1b01dfebe09f3/9003835131.pdfIn PDF document text
- http://dermaktif.com/imgup/file/2875230719.pdfIn PDF document text
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/gl2e68oeas6l07kupc7bfeqrd0/15053206242.pdfIn PDF document text
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/e8d32c8aa0b361222f864094288de80a/piliruf.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6546700e39---fomesazep.pdfIn PDF document text
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/e27c2152eb1f80e0cc2e57d2c1f93774/80763605979.pdfIn PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/1856ba84516e138c60687ac98617f0f6/javexemebe.pdfIn PDF document text
- https://cdpu.net/wp-content/plugins/super-forms/uploads/php/files/4ecbd308a05b0b86d37e6798ba67a5f4/21027197155.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16076faa8addc3---30474662506.pdfIn PDF document text
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/9mvrn5cnr92qmq8j0s1iapu593/30184027494.pdfIn PDF document text
- http://giadinhlaurenso.org/upload/files/loreruguzirejovube.pdfIn PDF document text
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/lmhg63bbkp3v6e24lo1apolmkm/41474178068.pdfIn PDF document text
- https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/hdpef3kcbe5k8atuacfptg5kcb/xupumetosexubikumupuji.pdfIn PDF document text
- https://cahayaapi1.com/contents//files/41824711205.pdfIn PDF document text
- https://pass-eco-energies.com/ckfinder/userfiles/files/37902819175.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/gpveg21anl62p3fisiq0i182qq/wofegakegatal.pdfIn PDF document text
- http://quick-thailand.com/images/uploads/file/xefasubiwewamadimi.pdfIn PDF document text
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/41d7de3c258389394441eb9e5542bb47/24216218840.pdfIn PDF document text
- http://phuwangnam.com/user_file/file/dokubomosuxudapula.pdfIn PDF document text
- http://thetownsendfamily.net/clients/a/ab/ab79602242cca8f930cd52af13df1d51/File/garesurokewezoxixafonot.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+merge+2+pdf+documents+to+onePDF link annotation
- 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_off0000f2e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2E6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010afd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AFD | 10960 bytes |
SHA-256: b5d7f0c4f98d6f9f71c9f7d48adf5e7e0a9c058b09dd3a3de3c5fc0371f30cfe |
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font_02_sfnt_off00012445.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12445 | 17896 bytes |
SHA-256: 2513632a4264c53a34f66122413d54d2a61dc6f064b9bfae1bc00e263eefb179 |
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