MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to compromised WordPress sites utilizing form upload plugins. These links are structured as a link farm, a common technique for SEO manipulation or redirecting users to malicious sites. ClamAV detection and ML classification strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609f8d6192701---jivifiguw.pdf In PDF document text
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/1a5a88ca7d703991fb09e90f2f66bee7/17086133413.pdfIn PDF document text
- http://microcement.ua/userfiles/file/pajevipafus.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160707bdff32c6---40984560975.pdfIn PDF document text
- https://www.northwoodmedical.ca/wp-content/plugins/super-forms/uploads/php/files/8ja254v9vuus5ujjmd9odl27al/41964069445.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/41ilgb4ae8vdii1dmplgvosfe5/nuratapujowoj.pdfIn PDF document text
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/44ba6d0897a5298a96a2c0bab058ad27/wefozokiwazemutugumefu.pdfIn PDF document text
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/7e828a79ee3666079781cff4ebc86745/39170607540.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160743c6a3bef4---fijunurujuxikowevisiviz.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606febf927b4d---49758498798.pdfIn PDF document text
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/cee054c67f071dfe774768899ade757a/91494600384.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/92a5f5971fcaa37f4f959e3b91324523/3514817934.pdfIn PDF document text
- http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/160858bac1fd2b---kebesevopa.pdfIn PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081c3fa0221f---31372709929.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/690d6cbfc119d878ca49e61baaf210c2/16463040574.pdfIn PDF document text
- https://alkalacarservice.com/public_html/userfiles/file/vasul.pdfIn PDF document text
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/1607e787112dfc---38113874446.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb85669d29---julitixanixi.pdfIn PDF document text
- http://clair-environnement.eu/catalogue_dynamique/file/mokiwiwimigifugug.pdfIn PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/f625cd87bd9e3dd7113eb9a7be78cf6c/12426563063.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160abf24b1fcdb---vevabafosumavusosifur.pdfIn PDF document text
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/832868deb9d74f2c45ce01df5de9a2e2/6911835877.pdfIn PDF document text
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/aec4095bc8864b8f0127c0e83828d164/65392071312.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16079741cc3dc3---19601733215.pdfIn PDF document text
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a962ae60d85---bezazubojetax.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160744787814a3---21655092765.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=five+domains+of+emotional+intelligencePDF 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_off0000f01b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF01B | 17988 bytes |
SHA-256: ba35e9e83743267d48bd4eb5360d0a97f28f0719370596536037a232ee66dd89 |
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font_01_sfnt_off00011f43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F43 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001375a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1375A | 10760 bytes |
SHA-256: 82ed9c4f293e3eb43be2cf71089525b3f924c04038370f43128ffd6db765b72b |
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