MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://betheaskssd.com/flash/betheaskssd.com/file/38355632282.pdf In PDF document text
- https://cafemocion.com/userfiles/file/27324354929.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/pgvnkn131pvvsje6soiupv5o9b/67409350037.pdfIn PDF document text
- http://casaperferiesantamariagoretti.com/writable/public/userfiles/file/venitezigu.pdfIn PDF document text
- http://lucchetta.net/userfiles/files/busasu.pdfIn PDF document text
- https://mobile-translator.eu/app/webroot/media/files/pamabuso.pdfIn PDF document text
- http://hanart21.com/files/userfiles/file/penerofamojokuxumuf.pdfIn PDF document text
- https://xanbiente.de/userfiles/file/vamipamilurovagekowase.pdfIn PDF document text
- https://ou-ravda.com/ckfinder/userfiles/files/47147848844.pdfIn PDF document text
- http://synhbio.com/upload/files/79561962742.pdfIn PDF document text
- https://tungafilm.com/dorceiys/ckfinder/userfiles/files/xakudolederuno.pdfIn PDF document text
- https://arrayamed.com/userfiles/file/71329113059.pdfIn PDF document text
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/afdcff135ed5def0276150b40c32a245/xanudaxa.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/7mkbh8l3ni1bjo6947n23q9iha/44570046975.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-8-20/20210820090942533731.pdfIn PDF document text
- https://comobrew.com/newsite/images/user_uploads/file/77423267253.pdfIn PDF document text
- https://akproauto.com/nbloom/fckuploads/file/93396266006.pdfIn PDF document text
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/4uuqmovpk2dnuug2emi045u60k/73020394240.pdfIn PDF document text
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609127252b390---pixopatagubigovirit.pdfIn PDF document text
- http://carsongrad75.com/clients/3/35/35717660c32d3dd9b0ffde8f33a19d23/File/mutawuxupuzovixi.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607279c7a3c0c---gapewamerubu.pdfIn PDF document text
- http://willettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xafagozuxoveroni.pdfIn PDF document text
- https://fulzugaskozpont.hu/files/42049067265.pdfIn PDF document text
- https://ringid.vn/ckfinder/userfiles/files/wukajininamewuxakoj.pdfIn PDF document text
- http://banphimchuot.com/userfiles/file/9389303819.pdfIn PDF document text
- http://laclonghotel.vn/upload/files/96390120467.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=tamoxifeno+mecanismo+de+accion+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_off0000c196.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC196 | 17160 bytes |
SHA-256: a2d40b2970cf82c8928ef4784db9951bad3bfc98286d9957a2fef1263d9ff802 |
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font_01_sfnt_off0000ecc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECC0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000104d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104D7 | 10600 bytes |
SHA-256: 0e36378b622f5f2fc5493f3208414eeac142a7bd0182846197feeb381a2b5317 |
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