MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to potentially compromised or disposable hosting. Heuristics indicate this is a link farm designed to redirect users, and ClamAV detected it as a phishing trojan. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://geredekombiservisi.com/userfiles/file/vigowutofek.pdf In PDF document text
- https://aneri12.eu/res/file/vosojo.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/8636f43360deed0d2b90302a12a14671/kekuxowufitagonutowewi.pdfIn PDF document text
- https://fullhousetourism.com/UploadFiles/file/20210617011310189.pdfIn PDF document text
- http://ncdesign.it/userfiles/files/koborivolipis.pdfIn PDF document text
- http://dalnoboy.net/data/filestorage/upload/files/zuromabimikasinetebuzixif.pdfIn PDF document text
- https://semagro-msw.ru/pics/images/file/pemawisopozozodul.pdfIn PDF document text
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160708768e3dad---24310177358.pdfIn PDF document text
- http://packamate.com/userfiles/40125482847.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b4cdd4256c8---64527219793.pdfIn PDF document text
- https://sahyadrisevasanstha.in/userfiles/file/39689102031.pdfIn PDF document text
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/16071d0dc1fbf2---gananasotiwomikelipuj.pdfIn PDF document text
- http://unseenadventure.com/userfiles/file/66348502228.pdfIn PDF document text
- http://culfordequestriancentre.org/UserFiles/file/52132693730.pdfIn PDF document text
- https://charteriraq.ir/basefile/charteriraqir/files/suvalero.pdfIn PDF document text
- http://backkwang.com/userData/board/file/lefubopavapivu.pdfIn PDF document text
- http://www.injamal.es/nueva/ckfinder/userfiles/files/42705536192.pdfIn PDF document text
- https://ratco-hardware.com/Ups/files/lefagaliv.pdfIn PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/bc040efc3e7ad239196c1d3fe1e51805/70952405111.pdfIn PDF document text
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607d4693996eb---82633454598.pdfIn PDF document text
- http://xn--90aoaidn.xn--p1ai/ckfinder/userfiles/files/82599233039.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=il+canzoniere+della+morte+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_off0001051a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1051A | 10624 bytes |
SHA-256: 1fd1b9d933ad662594f4617c3e2636dea728b26ebbeb1871a0baad65bb06018e |
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font_01_sfnt_off00011d60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D60 | 18236 bytes |
SHA-256: 0a5b76651adc6c9fd1055127bd2da1df7edc4fd4c34cf207f7098ab57a68eeda |
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font_02_sfnt_off00014d19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D19 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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