MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple heuristics indicating it is a link farm, with many distinct hosts and UTM parameters, suggesting a phishing or redirection attempt. ClamAV detection and ML classification further support its malicious nature. While no scripts were directly extracted, the PDF structure and embedded URLs point towards a phishing attack, likely delivered as an attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9945
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://kaushalacademy.org/ckfinder/userfiles/files/10049925930.pdf In PDF document text
- https://aimara-bg.com/userfiles/file/84611893656.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/160bdde0d15892---96515173060.pdfIn PDF document text
- https://juhaszautovill.hu/userfiles/file/89923757398.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ec7ed018ab76546691f103794065aa27/44926999511.pdfIn PDF document text
- http://carsongrad75.com/clients/3/35/35717660c32d3dd9b0ffde8f33a19d23/File/dozizovojija.pdfIn PDF document text
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/ce7dff1e0c6fccfb62db7bbf83c5b7c0/jegiwagarapewo.pdfIn PDF document text
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160e63c3eb8486---losawatepotexolir.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609c0777b7eba---1924925070.pdfIn PDF document text
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/f8ecf370fa906412267aeb9a49ca0bea/3538086492.pdfIn PDF document text
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160aae2d4cf549---62718188380.pdfIn PDF document text
- http://atut-biuro.com/uploaded/file/xomejid.pdfIn PDF document text
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4f26f2b4d2---zanunixijugolixiwepejo.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/unh60rl4cbk84u3mv5f7k5bf85/74084049669.pdfIn PDF document text
- http://phantasos.org/userfiles/file/gurupufuresivaxunejusu.pdfIn PDF document text
- https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/7431712b50e79c9ec69a520dfa88b177/lananijonobopilon.pdfIn PDF document text
- https://clubsportedinburgh.org/userfiles/files/48383665489.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1607d72fdce075---26853814008.pdfIn PDF document text
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086c5f0e0b45---42478655360.pdfIn PDF document text
- http://donaldbermanmaimonidesgolf2020.com/clients/0/0d/0d43fbb8ff91cab41fa1b056c0d912a9/File/41448054058.pdfIn PDF document text
- http://sl-light.ru/design/img/upload/file/bukusavonel.pdfIn PDF document text
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/e6c454b88d5ecdf89b263ac251d59de7/kelepakuviwevokofu.pdfIn PDF document text
- http://gadkowski.pl/repository/filemanager/file/26526319064.pdfIn PDF document text
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c9a6b9394f1---robazokutolerirataja.pdfIn PDF document text
- http://al-bandak.com/userfiles/file/84614571925.pdfIn PDF document text
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/glmm2cs0d2njmnsgc9m7go06f3/gumusukuganolilowu.pdfIn PDF document text
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077eb51b760c---lomodotivexedakobarosero.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=how+to+write+a+letter+of+permission+to+be+absent+from+workPDF 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_off0000f95b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF95B | 10828 bytes |
SHA-256: f21130200fb7351d78a1813041eeef91ec4b940768a9b1205c3f10c2791e83b1 |
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font_01_sfnt_off00011222.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11222 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012a34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A34 | 18788 bytes |
SHA-256: 264ed0d85d5c161efb3f594351815079dfa54ff9f04d7f6cb5c8635bf179fc40 |
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