MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, but the presence of external URIs and link farm indicators strongly suggests a phishing or malware distribution attempt.
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://meganimal.pt/site/upload/file/bediwuwuzijojivosumanaxu.pdf
- https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/0f43abada0e0e3d87208dc99da5b821c/julaximajabebopod.pdf
- http://portaldo.eu/contenuti/upload/file/50345696366.pdf
- http://aircond.md/upload_fck/file/71897445246.pdf
- https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/3c940ff48f0a865e2ced0922925e3111/sinojajagojisadegiga.pdf
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/35784db56473efba600bc0817219fbc6/69374307378.pdf
- http://alkanboya.com/files/file///wurotegebukawojedudo.pdf
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/1fmtunse6s5j8efhij02g5gkpv/1041829789.pdf
- http://studiobardinisrl.com/userfiles/files/16686745701.pdf
- http://reicar.dk/userfiles/file/tevewunobugefas.pdf
- http://quick-thailand.com/images/uploads/file/riretobeposezuj.pdf
- https://studio-september.com/wp-content/plugins/super-forms/uploads/php/files/35e8c5e304edd918d74fa1b4801c93cf/pafujonosapulifozadovof.pdf
- http://targhevaticane.it/userfiles/files/zuzukaduxesi.pdf
- http://abbuffalowings.com/uploads/files/jiwudafepi.pdf
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/jibolarapa.pdf
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3140df6d4---7719638573.pdf
- https://kop-trans.pl/uploads/userfiles/files/16381303171.pdf
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a7609512722---detatokalir.pdf
- https://theatresaucinema.fr/uploads/file/fujoguzolutozabiduval.pdf
- https://apc-algercentre.dz/ckfinder/userfiles/files/57215066673.pdf
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/ip3rr31j3nahucavbnmk3dldpr/43061123486.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160add212df16a---tixolewoxevenudikereruwo.pdf
- http://biurod9.pl/public/userfiles/file/54767544842.pdf
- http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b520c620b9f---tibojez.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=ncp+for+knowledge+deficit+related+to+lack+of+information
- 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_off0000f240.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF240 | 16792 bytes |
font_01_sfnt_off00010a52.bin7a44906d36c1c3e503363a2a7eca6e6f31347cc30e3c8ab2045ace8a79def317 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A52 | 16776 bytes |
font_02_sfnt_off00013609.bin0c264ea4ab1898707b7e73d648d676e0cce90371f46a911e3261cccaf8109cbb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13609 | 10948 bytes |
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