MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external resources, many of which are hosted on disposable domains, indicating a link farm designed to distribute malware. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to trick users into downloading a secondary payload. No scripts were extracted, but the PDF structure and URL heuristics point to a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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 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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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://a899.net/userfiles/file/39495144404.pdf In PDF document text
- http://ambulatorioveterinariosantanna.eu/userfiles/files/vifojab.pdfIn PDF document text
- http://dtpokebar.com/uploads/files/gifimusidubakulaxepigu.pdfIn PDF document text
- http://itagqatar.zajeltel.com/itag/file/files/ruvoge.pdfIn PDF document text
- http://artikos.pl/userfiles/file/44164075184.pdfIn PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137b437f127d---57232533154.pdfIn PDF document text
- https://volandovia.it/public/fileeditor/file/xikisodakixibaterize.pdfIn PDF document text
- http://dnt-mayak.ru/content/File/rakuxu.pdfIn PDF document text
- http://pospatrans.cz/UserFiles/File/41243630344.pdfIn PDF document text
- http://strandkrabbe-hohenfelde.de/sites/default/files/files/fujarunewowunejuso.pdfIn PDF document text
- http://manvilastrust-org.bvirani.com/ckfinder/userfiles/files/fodamike.pdfIn PDF document text
- https://nawaasha.org/userfiles/file/96966640981.pdfIn PDF document text
- https://aucordechasse.fr/vosImages/74146541029.pdfIn PDF document text
- https://zohopin.com/calisma2/files/uploads/zobugimupop.pdfIn PDF document text
- http://naplesredeals.com/userfiles/files/xasofelojikinekugema.pdfIn PDF document text
- https://bjjewels.net/nbloom/fckuploads/file/zirimawoduta.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/6ugvdj7nmq329c78lopi1emob3/melusenebutax.pdfIn PDF document text
- http://ph-easycome.com/userfiles/file/ruwerinatavuvalufaxudeta.pdfIn PDF document text
- http://indagosrl.it/userfiles/files/suzeda.pdfIn PDF document text
- http://exima.kr/userData/board/file/21116721090.pdfIn PDF document text
- http://canoto.us/Images_upload/files/tuvafisisuzut.pdfIn PDF document text
- http://otelm4b.ru/admin/ckfinder/userfiles/files/32660910809.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=queuing+theory+pdf+free+downloadPDF 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_off0000e99b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE99B | 10968 bytes |
SHA-256: 83cb0ee2806886004e86c82589eb99fa2ebfed16f17d3fe15802d5262254e73d |
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font_01_sfnt_off000102ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102ED | 19452 bytes |
SHA-256: ce745139e1f8d752dea67078d5b4e15cf32f5d3473b1e1d93fc6d7e48bb9a49f |
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font_02_sfnt_off0001357f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1357F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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