MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised or disposable domains, a common tactic for phishing or distributing further malware. The ML classifier and ClamAV detection strongly indicate malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports that the document's primary purpose is to act as a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://heorungminhphat.com/luutru/files/tubeliburitixubazun.pdf In PDF document text
- http://www.klimavill.com//data/editorfile/nuvenozaxetosarifi.pdfIn PDF document text
- http://3xlove.com/uploadfile/file/95985904936.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/10060cdc1e416b2a0a6c68d00083e1b8/fejirosiwexezagozinik.pdfIn PDF document text
- http://laconchigliacasevacanze.it/userfiles/files/somogoladewo.pdfIn PDF document text
- http://www.humillacionyestrella.org/ckfinder/userfiles/files/14758422769.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da2d0af3447---ketelajo.pdfIn PDF document text
- http://okeefesreef.com/ckfinder/userfiles/files/webuzenizijadukiwabeji.pdfIn PDF document text
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202104300811505272.pdfIn PDF document text
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c13dd5d07fb---66465009713.pdfIn PDF document text
- http://fslawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/38780312852.pdfIn PDF document text
- https://www.burnat-provins.ch/ck/ckfinder/userfiles/files/93305955218.pdfIn PDF document text
- http://quickvideo.nl/userfiles/file/79855089996.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160867e3596c8f---guvup.pdfIn PDF document text
- https://vannordenvastgoed.nl/userfiles/file/78758310783.pdfIn PDF document text
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/pq3qe9rff6tc6mcp6368m6b3u3/kamawodisozutuso.pdfIn PDF document text
- https://seltec.io/images/uploads/files/34601845624.pdfIn PDF document text
- https://fishboat.hr/files/dunumutuxegopuz.pdfIn PDF document text
- http://erainbowrealty.com/userfiles/file/83345717296.pdfIn PDF document text
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/c25e695b923fd794334f894e41eb6fdf/90428419962.pdfIn PDF document text
- https://jackyrouxmethode.com/userfiles/file/45234484428.pdfIn PDF document text
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/717e812i332dcr9qca29469o4p/ladugujanubatusutazados.pdfIn PDF document text
- https://apc-algercentre.dz/ckfinder/userfiles/files/44743505153.pdfIn PDF document text
- https://audreyheselmans.com/_files/file/54437614034.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=to+move+the+objective+lens+up+and+downPDF 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_off000103d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103D6 | 11164 bytes |
SHA-256: f767de39805f4eca2906c95f24140cf7fc087ae8afe16fde9ebfb8361f8d76ba |
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font_01_sfnt_off00011d88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D88 | 18652 bytes |
SHA-256: 1afc5efcd5c1f1e3284cfe72b14613710031c0970fe16b984161afaa60f5d27b |
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font_02_sfnt_off00014d80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D80 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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