MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting. Heuristics indicate this is a link farm designed to redirect users, with ClamAV identifying it as a phishing trojan. The ML classifier also flagged it as malicious with high confidence.
Machine Learning
- Nyx PDF Classifier malicious score 0.9885
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://shellserva.nl/docs/Image/file/26454952839.pdf In PDF document text
- http://kozszemle.hu/uploads/files/zepenexagokemokokaw.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/5736a2e618ba66989c71fdb35980a028/sufafifu.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16074465a2c190---pajixewexubajujedobilin.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/55260c1600815f3315ec2802844e59cb/xibawodixu.pdfIn PDF document text
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609b430b7185e---18411259120.pdfIn PDF document text
- http://ciarajewellery.com/editor_upload/file/49802419251.pdfIn PDF document text
- http://playfromhome.org/clients/4/49/49939bf6a151252ba1adfe53d1befa29/File/94469650575.pdfIn PDF document text
- http://better-pharma.com/images/file/files/takejevodor.pdfIn PDF document text
- http://shiny-baby.com/fileimage/file/napisumusi.pdfIn PDF document text
- https://plasy.com/uploads/file/rupewivinojodotibol.pdfIn PDF document text
- http://www.ecostroyservis.ru/File/vawavitenigudipifilowu.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608297abd0373---14503001273.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/nadatabovumuve.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/c542a40b73b23b1c408121a5ccd86e10/gufibikikufopen.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609701da12de2---dapebuzigozivoz.pdfIn PDF document text
- https://caribemed.com/userfiles/file/jazadafilenetoxubal.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607570e5228e9---31626575469.pdfIn PDF document text
- http://schule.havonix.com/ckfinder/userfiles/files/bipazekudobabof.pdfIn PDF document text
- http://caphegiabao.com/upload/fck/file/44621930450.pdfIn PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160ac0b912e737---xewiwepuwugure.pdfIn PDF document text
- http://pizzeria-millemiglia.de/app/webroot/img/editor/file/90373572064.pdfIn PDF document text
- https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/8bd0bd6a4e8ad21f1b552c39f59c087c/13956201851.pdfIn PDF document text
- https://quangcaonoithatgiahung.com/admin/webroot/upload/image/files/81969924650.pdfIn PDF document text
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/f4cf5787a33491175f71a757b134ef19/3898451156.pdfIn PDF document text
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/e93a9dee37e718f4177830e77b991980/niwusomezefiki.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606c66dd7b410---30986059313.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=spiritualisme+pancasila+pdfPDF 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_off0000c1a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1A5 | 16076 bytes |
SHA-256: baf98ce622d09f94d5cc6bd8e9be8ca3350fb0159964c54c86ed75668ebbb8fe |
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font_01_sfnt_off0000eb31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB31 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010348.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10348 | 10836 bytes |
SHA-256: f9be8631ae66985250ccc7edf18bcc8be27fcea8f4ac47a18fe68c3990fa1f11 |
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