MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by a machine learning classifier and ClamAV. It contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, suggesting a link farm or phishing attempt. The presence of these links indicates an attempt to direct users to external, potentially malicious, websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1613f1505cc0d0---87300574610.pdf
- http://co-wemart.com/careeruserfiles/file/xowomopodidajagenejovizal.pdf
- http://jd6618.com/jd6618/file/2021-9/file/LwpCms2021_09_15_14_45_49_5662.pdf
- https://www.auto-ecole-acm.com/ckfinder/userfiles/files/tukemalajaxepisizefamagi.pdf
- https://jmclimatizacionhvac.cl/images/subidas/file/fozolikapewipub.pdf
- http://finara-v.com/file_media/file_image/file/vesemapozipafotalefo.pdf
- https://dermatologie-francophone.com/userfiles/file/65181975786.pdf
- https://hometutorsdelhi.com/userfiles/files/29529267609.pdf
- http://rassadaspb.com/new/files/file/20180787948.pdf
- https://webrobogo.hu/kepek/semitaxokofuwafopax.pdf
- http://erodiertechnik-wenzel.de/userfiles/file/39842978423.pdf
- http://teleinwestor.pl/userfiles/file/93181729156.pdf
- http://bjqyms.com/filespath/files/20210903225901.pdf
- http://exoticland.bg/upload/files/files/zeratolapemarunetajurir.pdf
- https://needletherapy.eu/upload/file/79140408363.pdf
- http://cephedanismani.com/images/pages/file/73006895616.pdf
- http://studiochiodo.eu/userfiles/files/53692591746.pdf
- https://odontologosmalca.com/images/userfiles/file/15523553528.pdf
- https://clinicaabrahaoosta.com.br/ckfinder/userfiles/files/roruvujilojaluvuli.pdf
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613de57b80fa9---3008903382.pdf
- https://dom4m.com/userfiles/files/reber.pdf
- https://atlantidegattico.it/file/fafizagupagomagi.pdf
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/6e1e68f88b5b4b8aa854a7ff8cbcfc94/vapexusota.pdf
- https://olterus.com/contents/files/desaxageguxizozofupuwun.pdf
- https://handientu.vn/userfiles/file/92662204743.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=car+eats+car+3+racing+simulator+fast+drive
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b3df.bin6256ef0aa5fe417c30817bfced2cc17570d9fd6e8d545d9abdd6637efc9cbb69 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3DF | 11188 bytes |
font_01_sfnt_off0000cde9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDE9 | 16792 bytes |
font_02_sfnt_off0000e5fb.binf49a39b5d009dac20118522bdff0d3965ef89a62fedccb988370486640d8ad85 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5FB | 15708 bytes |
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