MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many pointing to compromised CMS upload directories, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. The file's structure as a link farm, combined with the use of compromised hosting, points towards a tactic of obscuring the ultimate malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 https://nomylo.ru/uplcv?utm_term=news+app+for+android+tv PDF link annotation
- http://meditopthailand.com/file/87686885878.pdfIn PDF document text
- http://dagmar-e.de/userfiles/file/37361657607.pdfIn PDF document text
- https://home-consult.lu/userfiles/files/juzasilolub.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/76aa5f95fddf70a8913355ef0808b217/maduxonon.pdfIn PDF document text
- https://subded.org/userfiles/file/70942615444.pdfIn PDF document text
- http://studiomarazzi.eu/userfiles/files/lepafajosane.pdfIn PDF document text
- https://cincia.ro/ckfinder/userfiles/files/jisarogup.pdfIn PDF document text
- http://gymostrov.eu/gymostrov/userfiles/file/jerutadowavunafonodiri.pdfIn PDF document text
- http://khiensa.com/UserFiles/File/nomitexuduvigo.pdfIn PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/daae83e1795b7ff2c0c6975c4bbc7064/18067985783.pdfIn PDF document text
- http://kotrackusa.com/fckedit_file/file///20210913_15_31_0.pdfIn PDF document text
- https://kop-trans.pl/uploads/userfiles/files/muxezanavebemavamugefuva.pdfIn PDF document text
- https://futurefacesmiami.com/uploads/file/84815547871.pdfIn PDF document text
- http://hermanosgolbano.com/admin/fckeditor/editor/filemanager/connectors/phpfile/fizegegadivuboni.pdfIn PDF document text
- https://bwhe.in/ckfinder/userfiles/files/45256966162.pdfIn PDF document text
- http://nyitotthaz.hu/userfiles/files/10931377515.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/iuka05to82pdvd8tcifadrcuem/75546359088.pdfIn PDF document text
- http://corporatiegids.nl/uploads/files/budimo.pdfIn PDF document text
- https://tenderdiary.com/ckfinder/userfiles/files/98885790530.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16137a83686d43---nujesesawow.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613baeab233c1---duzejanosivepolebu.pdfIn PDF document text
- http://www.farmaciavictoriayjmleon.com/userfiles/files/42453756970.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/21c6541bef796ca85fe40e52d8aed97e/vowomemurizuvezofurosuk.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144fef830e6e---vipatapudexigutidelijewi.pdfIn PDF document text
- https://zenmobile.in/jaipriyart/uploads/files/87102933170.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_off0000b3b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3B9 | 17568 bytes |
SHA-256: 5893b5a49631393be9bd4b4aa2f1df558d5a932bfa4bbb1669dc628fac66092d |
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font_01_sfnt_off0000e044.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE044 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f85b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF85B | 10576 bytes |
SHA-256: 6bf594dd9c79a27d97549bcd9d1c391d68193b991cce411773d8b8ad6a7582d1 |
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