MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded links, many of which point to compromised WordPress sites. The ML classifier strongly indicates maliciousness. The primary purpose appears to be acting as a link farm, potentially for SEO manipulation or to distribute further malicious content through these compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9946
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://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/g3cetvis2fu0km17dofhn5vl67/75928123972.pdf In PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/qt6e1gllfgt4v4dvhmv96r6mr6/zepumenajato.pdfIn PDF document text
- https://thuaphatlaihoanghuy.com/uploads/files/panolonedunokokaj.pdfIn PDF document text
- http://bhs1966maui.com/clients/64750/File/sifigazokir.pdfIn PDF document text
- https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/bae1b4116c1727eb98d70a309db3a39e/nexusifonukifizur.pdfIn PDF document text
- https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/0ec99d9a3448ba79f6bd0d34c12141bf/74491825225.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/b1a583817b6431f18250e2e5ca8c03bb/87406674674.pdfIn PDF document text
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072c4e23d88e---5103909722.pdfIn PDF document text
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/6892b7a78b7898907318717ebcd1c585/nivoganizitiniw.pdfIn PDF document text
- https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/u5b5rcvhpdc1ukkovu06rfksgc/90725904476.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/160beb6f1bc763---lumulurepipiperodibovuwi.pdfIn PDF document text
- https://fiberglasssupplydepot.com/userfiles/files/dazogel.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160776cf1961df---burolixulexura.pdfIn PDF document text
- http://nusratali.com/userfiles/files/5665525721.pdfIn PDF document text
- http://biosite.ru/images/news/file/87973026394.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b091a44f9a2---vedafisusewinute.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8bc29811f8---90128229686.pdfIn PDF document text
- https://fullmagicweekend.com/ckfinder/userfiles/files/fanitoxapepemag.pdfIn PDF document text
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/17f330b2a57a0a1d34047f5c90c3ffe0/nebemufonesil.pdfIn PDF document text
- http://azbuka-d.ru/ckfinder/userfiles/files/dofola.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f60bd10398---zinukilazetogibugomezo.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c306d64ed96---88747638916.pdfIn PDF document text
- http://paroissedementon.fr/upload/files/koxubijutemulase.pdfIn PDF document text
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/16081bf0f7726b---81402547852.pdfIn PDF document text
- http://maxtarget.by/ckfinder/userfiles/files/vofuvetipunoz.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=sql+server+order+by+specific+valuesPDF 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_off0000daaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAAF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f2c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2C1 | 18072 bytes |
SHA-256: e64831b15ee211c63197860fc2fa61c2f9367f79288ad8d8e38fcd98393404e6 |
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font_02_sfnt_off000122ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122AD | 11052 bytes |
SHA-256: 23695ea2a9835f4ee01c065e27bfe793db7ec11a1b41e97a637113e2d4cf6c09 |
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