MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing attempt. The heuristics identified it as a link farm pointing to compromised WordPress upload storage, likely intended to lure users into downloading a malicious payload. The presence of multiple URLs associated with compromised CMS uploads suggests a broad phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9783
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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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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://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/turmtsf1qr71fn2u12b9iqlnr2/dajitoxubanomupunudef.pdf In PDF document text
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b8653fc55cd---11344945954.pdfIn PDF document text
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160873e53022ca---7431466222.pdfIn PDF document text
- https://lastcallslc.com/wp-content/plugins/super-forms/uploads/php/files/aa2e740d24af4f3042312fb8e494dcba/rijurudaro.pdfIn PDF document text
- http://ciskmv.com/css/file/barogafidusumewilime.pdfIn PDF document text
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/f5n7qfjfc131m69n0f4hg9dadv/zezamosukij.pdfIn PDF document text
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/kmoer1u3miepkpnrq5q9dko4li/77752246754.pdfIn PDF document text
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094cc26b95e1---walunulaxujotomofutasapa.pdfIn PDF document text
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/596ad6a327a99afa5e6d6364d6df8076/35298833004.pdfIn PDF document text
- https://medtek.vn/storage/file/mevuzivojerazuxezazisib.pdfIn PDF document text
- http://topcudental.com/img/userfiles/files/24079553681.pdfIn PDF document text
- http://ondrejkocar.cz/img/file/89156593754.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4fbb7448db---66080013831.pdfIn PDF document text
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/a518a5fe5fc0322e6a3894b8d2a8e9df/lutazikazitojaxarikebibax.pdfIn PDF document text
- http://lighthouseofworship.com/clients/44803/File/sanilujafanowa.pdfIn PDF document text
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb2b5b5729f---45797796272.pdfIn PDF document text
- https://sunwayhk.com/louis/STARKGROUP/ckfinder/userfiles/files/12556937477.pdfIn PDF document text
- https://service-panev.com/userfiles/38787670076.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070ae7d3eebb---65761485848.pdfIn PDF document text
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbaec4ae94c---solivosufamo.pdfIn PDF document text
- http://lightningriskassessment.com/ci/userfiles/files/91116483977.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/7307856e015ae2671739ce31104d33b6/naxawolipigupetiza.pdfIn PDF document text
- http://vhktn.at/images/content/files/56135932309.pdfIn PDF document text
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/d91091226f8f35ad969127e163c7172b/zebinanef.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=my+puppy+makes+pizzaPDF 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_off0003a0b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3A0B6 | 19916 bytes |
SHA-256: 4ea1f93c5be17cfa208d36b7a1d93fbdd38504329646563f7e40168883aa37a7 |
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font_01_sfnt_off0003d308.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3D308 | 10304 bytes |
SHA-256: a2f537e8538349410444573e5152d70377e703d438b3a6d56db6f09bdaeb48a2 |
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font_02_sfnt_off0003ea59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3EA59 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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