MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple heuristics as a link farm hosted on compromised CMS uploads, indicating a phishing or redirection attempt. The ML classifier and ClamAV also strongly indicated maliciousness. The embedded URLs point to various domains, many of which appear to be compromised WordPress sites, suggesting a tactic to distribute malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bd171955c85---zogudeviribab.pdf In PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/59c948beedd183ea771935f76dd427ec/lukuruj.pdfIn PDF document text
- http://garmagostaran.com/Upload/file/74690249335.pdfIn PDF document text
- http://vizesblokk.hu/files/file/37282009013.pdfIn PDF document text
- https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/e5ead7487168d1ff9064a41d62d01fad/44740145059.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160befb49688ed---wirekusobi.pdfIn PDF document text
- https://www.apollopowersystems.com/wp-content/plugins/super-forms/uploads/php/files/408a6e811d131bc86722c2c94792d0f4/wosoziviserivozodarov.pdfIn PDF document text
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c0e63e0b4cd---96484946933.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a30ba6ef303---30063418580.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/12775d87182d2586391a1f25692e1ba8/82169916690.pdfIn PDF document text
- https://giustofiori.it/file/22091161984.pdfIn PDF document text
- https://gofropack.com/wp-content/plugins/super-forms/uploads/php/files/4f6a60c9abf94bd9fd45d8cc2af43e43/tolemuxewadakigizurokawa.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091b36e6d1e4---sufaruvedota.pdfIn PDF document text
- https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/8e4a66fb981684b31fba4fafcfc1c06c/xebawujiwakiwipu.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160db0339ab252---44697647370.pdfIn PDF document text
- https://planet-for-events.de/userfiles/file/20010358607.pdfIn PDF document text
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/c389a413954f58f1ee4a492db3eb08b6/73087473266.pdfIn PDF document text
- http://longchimvac.net/app/webroot/uploads/files/zosoxuxidalebezimakurew.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/9e61c9f2a3d6df22ca25cb7e69601c06/jijamulebiredaxowisosi.pdfIn PDF document text
- https://anmimar.com/royal/userfiles/file/26728093432.pdfIn PDF document text
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607f229d3e438---vuwipunonoruperosapunen.pdfIn PDF document text
- http://dailyliving.nl/ckfinder/userfiles/files/merojunanukedo.pdfIn PDF document text
- https://blsautomation.com/ckfinder/userfiles/files/59836839915.pdfIn PDF document text
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/ea32fcda3f6e72c48513c7a4321d1fc1/ruzupanopezolugakudon.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=good+luck+charm+classic+wowPDF 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_off0000d008.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD008 | 16632 bytes |
SHA-256: e04e30fed3e8657a61376fbf2592cc36972f0f4335403292432115d47eae37c6 |
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font_01_sfnt_off0000fb02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB02 | 10620 bytes |
SHA-256: 673b37ca605786cc80e9e76e89ba40e6ee82781d9ec0d056cbfeac3ec1ccd814 |
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font_02_sfnt_off00011353.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11353 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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