MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and ML classifiers, with high-severity heuristics indicating the presence of random and IP-based URLs. The document body is heavily obfuscated, but the heuristics suggest a link farm designed to redirect users to potentially malicious content. No scripts were extracted, but the overall structure and URL patterns are indicative of a phishing or credential harvesting campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://tuderprogettazione.it/userfiles/files/15703872520.pdf In PDF document text
- https://anna-bel.com/app/webroot/files/userfiles/files/25216987929.pdfIn PDF document text
- https://icrs-as.com/userfiles/file/93987446025.pdfIn PDF document text
- http://cadeco.com/testingsites/advantage_aviation/assets/media/file/12615877558.pdfIn PDF document text
- http://grimastone.ru/files/tidedizevagexofekaduwi.pdfIn PDF document text
- http://robertfeinberglaw.com/images/edit_images/file/jadanurapositomakolemu.pdfIn PDF document text
- http://3dprofi.net/images/uploads/file/wivomomemutujuzututaxipef.pdfIn PDF document text
- https://pataniforum.com/admin/jquery/ckfinder/userfiles/files/fekumoxutez.pdfIn PDF document text
- https://thehouseconcert.com/ckfinder/userfiles/files/43712040973.pdfIn PDF document text
- https://kapefashion.com/files/files/43522248693.pdfIn PDF document text
- https://briljant-maleri.se/UserFiles/files/33889831279.pdfIn PDF document text
- http://lncxjzxxw.com/upload_fck/file/2021-9-21/20210921095607573242.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/161380ac390520---5801368853.pdfIn PDF document text
- http://merklink.nl/site/data/ws/files/pudejosabewowiz.pdfIn PDF document text
- https://darkoyunpin.com/calisma2/files/uploads/71911251052.pdfIn PDF document text
- http://dzstock.com/Upfiles/file/xegagegiduro.pdfIn PDF document text
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1612edd85e41d5---punufedonusunojanagor.pdfPDF link annotation
- http://jornalespacoaberto.com/app/webroot/datafiles/editor/files/2662572967.pdfIn PDF document text
- https://cantellodetersiviprofessionali.it/uploads/file/1898033028.pdfIn PDF document text
- http://kppzp.pl/userfiles/file/xezonerepomajapamo.pdfIn PDF document text
- https://hotnews.md/upload/userfiles/files/86109190969.pdfIn PDF document text
- http://studio70.eu/userfiles/files/pelejizaxu.pdfIn PDF document text
- https://www.multilandtours.com/assets/ckfinder/userfiles/files/26172927080.pdfIn PDF document text
- http://tavaszitura.eu/userfiles/files/47371990854.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=born+to+be+wild+1995+123moviesPDF 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_off0000ae21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE21 | 14396 bytes |
SHA-256: ee9a304aa94ef2e3d321a07870e80a6306869ef05bda417cdaeed12acbc26b67 |
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font_01_sfnt_off0000d228.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD228 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ea3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA3F | 11236 bytes |
SHA-256: 9127bea62cad4cf89398be019a859988a4677ec8f66414dc232408d93bfddfba |
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