MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress sites and other disposable hosting, indicating a link farm designed to distribute further malicious content. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple external URIs and compromised CMS upload links supports a phishing or malware distribution attack pattern. No scripts were extracted, limiting the analysis of direct execution capabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://quaint-house.com/jepuxuwalenegawojujapela.pdf In PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608b09cfe9f34---nafidiz.pdfIn PDF document text
- http://francescofesta.it/userfiles/files/4814858357.pdfIn PDF document text
- https://k-newsletter.com/ckupload/files/jogebumidonasotawimu.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a108786d00f---jidetejiwal.pdfIn PDF document text
- https://nslogisticservice.com/userfiles/files/retunemotilin.pdfIn PDF document text
- http://www.sictombbi.fr/ckfinder/userfiles/files/nupuxuwovo.pdfIn PDF document text
- http://odessawa.com/userfiles/file/jodusavig.pdfIn PDF document text
- https://its-bulgaria.bg/files/file/mameramizagonugiwabudasa.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070532375a17---28172935171.pdfIn PDF document text
- https://melz-feu.ru/upload/kufileg.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ce1e8aad898---67071660193.pdfIn PDF document text
- http://www.alfapilates.pl/upload/file/lerotajuneronexe.pdfIn PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607da340dc1fc---17982755364.pdfIn PDF document text
- https://underworldgear.com/upload/users/files/67421131409.pdfIn PDF document text
- https://dalnoboy.com/data/filestorage/upload/files/30613720712.pdfIn PDF document text
- https://zapret-rf.org/web/img/podborky/files/ronas.pdfIn PDF document text
- http://ulleungroadtour.com/FileData/ckfinder/files/20210721_2BEF15C006AA541D.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/60269370354.pdfIn PDF document text
- https://ises.ca/phpsites/vertical_living/uploads/file/walakolotefudunefi.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/8611a3462837123e60a2a1594646c575/jozolukamigivukatanuwaxu.pdfIn PDF document text
- https://chiuman-hk.com/images/file/xilul.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=nightmare+zone+melee+guidePDF 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_off0000e208.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE208 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fa1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA1F | 10664 bytes |
SHA-256: df7c9f7e083fe1a2f88f823505000824666dfe67931d040c6f5465292c27b6e1 |
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font_02_sfnt_off0001121f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1121F | 16920 bytes |
SHA-256: 621d743b10f76b4dd25fe4b78b79b65c014ad6db93bbdce531da912213d3c409 |
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