MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The presence of numerous links to other PDF files, coupled with the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic, suggests a tactic to distribute malicious content or phish for information. Although no scripts were directly extracted, the PDF structure and embedded URLs point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://sxcec.org/userfiles/file/57792214571.pdf In PDF document text
- http://foto-klub.dk/userfiles/file/21059328631.pdfIn PDF document text
- http://kenhuffbuilders.com/userfiles/file/79157867925.pdfIn PDF document text
- https://tekdalyapi.com/upload/ckfinder/files/rerenasakuwudabonobaw.pdfIn PDF document text
- https://cuatudongsaigon.net/uploads/files/rofek.pdfIn PDF document text
- https://nurdagihaber.com/resimler/files/24271606466.pdfIn PDF document text
- http://flirdining.com/uploads/files/37328956218.pdfIn PDF document text
- http://yugang360.com/upload_fck/file/2021-9-2/20210902134633325519.pdfIn PDF document text
- http://panziofabian.hu/fck_kepek/95015294948.pdfIn PDF document text
- http://datacomsystems.cz/userfiles/file/jomebexojugoseza.pdfIn PDF document text
- https://viveironativodevicosa.com.br/ckfinder/userfiles/files/37214021667.pdfIn PDF document text
- http://thrifty-uy.com/files/others/25531771687.pdfIn PDF document text
- http://www.motionmantra.com/userfiles/files/56262758155.pdfIn PDF document text
- http://pololanna.com/user_img/files/40856289622.pdfIn PDF document text
- http://imailbox.nl/images/uploadedimages/file/moduvoguduxud.pdfIn PDF document text
- https://coebmsf.com/userfiles/file/99134704264.pdfIn PDF document text
- https://saint-florentin.charcutier-traiteur.fr/ckfinder/userfiles/files/2055153234.pdfIn PDF document text
- http://ybshajiang.com/userfiles/file/2021-09-08/210908051506935329fh4zxswy3bof.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4dde460d5---31521614382.pdfIn PDF document text
- https://desense.eu/uploads/wysiwyg/files/29735731085.pdfIn PDF document text
- http://euskararenginkana.eus/files/galeria/files/80910464861.pdfIn PDF document text
- http://edmo-cars.nl/images/file/xutozomafiweriwa.pdfIn PDF document text
- https://totalsewa.com/userfiles/file/kibiwasiw.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=neverwinter+nights+enhanced+edition+apkPDF 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_off0000d3f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3F5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ec07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC07 | 17016 bytes |
SHA-256: 62b4f254bbab32e915997eb91e7e254bf25e272d1098f8fe58d42ae8cd27a3fd |
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font_02_sfnt_off00011868.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11868 | 10968 bytes |
SHA-256: 730c15fedfec6e2851a40c47823f660207f6e591db323ac31537d1594b40a114 |
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