MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting domains. This structure strongly suggests a link farm designed to redirect users to malicious content, likely phishing pages or malware download sites. The ML classifier and ClamAV detection further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://smidgel.ru/uplcv?utm_term=free+printable+letter+templates+pdf PDF link annotation
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/4a4b4eb51b054758225296af01eb82e3/jimofibinitefixisi.pdfIn PDF document text
- http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f9c4c79c0c---gamoxowogebazewuputofuka.pdfIn PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/161053e2563699---govagalidipozinabagubapad.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/lidawogajelijivosaguwe.pdfIn PDF document text
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5f1bb02d11---35135860152.pdfIn PDF document text
- http://sluchatka-shop.cz/files/upload/files/gamadexuk.pdfIn PDF document text
- http://puginternational.com/ckfinder/userfiles/files/57982940344.pdfIn PDF document text
- https://dgaspcsm.ro/ckfinder/userfiles/files/wojenesikorodonowoze.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afcd9da4e23---36024218808.pdfIn PDF document text
- http://dialog-seversk.ru/jsplugins/ckfinder/userfiles/files/57891458072.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/7u3inkpfj841fdl5t0s0ui9e23/rogebovisarigukuxixamij.pdfIn PDF document text
- http://ncabhsa.com/clients/875427/File/pipezuzenutabame.pdfIn PDF document text
- https://barcelonacentromedico.es/files/galeria/files/40472763575.pdfIn PDF document text
- http://france-ex.com/images/blog//file/6969104357.pdfIn PDF document text
- http://lyzebrno.cz/userfiles/file/fopiluninefekunisufinev.pdfIn PDF document text
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608072ba9cef2---tofutasewovowenuzewul.pdfIn PDF document text
- http://aurora-c.jp/files/files/19705524870.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/90be279b9ca6aa3122dd929da8d74db3/vejibuwoledakurevowavif.pdfIn PDF document text
- http://myhomeinparis.com/userfiles/files/kitifujukegigi.pdfIn PDF document text
- https://dovolena-jiznicechy.cz/uploads/36328333260.pdfIn PDF document text
- https://rajatotogroup2.com/contents//files/76682853060.pdfIn PDF document text
- https://atraba-holding.com/userfiles/file/gusidogisug.pdfIn PDF document text
- https://regiefranchet.fr/userfiles/files/gasumotutolabonalesomedu.pdfIn PDF document text
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/70b70cd3644fcf43b31688ce1d98f250/13864264287.pdfIn PDF document text
- https://omnistopbollards.com/application/third_party/ckfinder/userfiles/files/6937931752.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_off0000da0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA0E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f220.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF220 | 17240 bytes |
SHA-256: 1789f333e3865879f9a65a9e2d508ff08ec61219da6280a7a8d57c619b96ebc1 |
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font_02_sfnt_off00011df3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DF3 | 10656 bytes |
SHA-256: 27e2220720a0ba294d99b29bf03d6bfc5f2821526eacd42f2fb57c86213e4b97 |
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