MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple links to external resources, with a high-confidence heuristic identifying a link to an algorithmically-generated URL on a potentially disposable domain. The ClamAV detection and ML classifier further support its malicious nature. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of numerous links to PDF files on various domains suggests a link farm or distribution mechanism for further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://mylodge-naoshima.com/images/blog/file/retazegobowopupufizepivat.pdf In PDF document text
- http://ticketsperiodico.com/galeria/files/91343177042.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1613cf174ea28c---jaluzadenarolefazupovaba.pdfIn PDF document text
- https://intersensor.ro/v2011/Files/fck_upload/file/9631237967.pdfIn PDF document text
- http://diakmelo.hu/ckfinder/userfiles/files/buxidezulinugawozu.pdfIn PDF document text
- http://photou.cc/ckfinder/userfiles/files/99567495209.pdfIn PDF document text
- http://cn-junsheng.com/upload/file///2021916215836560.pdfIn PDF document text
- http://sanitaerprofi.ch/fckeditor/editor/images/file/nakad.pdfIn PDF document text
- http://veronikavilla.hu/userfiles/file/51959730962.pdfIn PDF document text
- http://sameiroeventos.pt/ficheiros/lavitebaxupotamu.pdfIn PDF document text
- http://dsacare.com/admin/uploads/file/45081564485.pdfIn PDF document text
- http://azco.friend-match.com/upload/files/32595215609.pdfIn PDF document text
- http://ambulatorioveterinariopisillibertozzi.eu/userfiles/files/45392074262.pdfIn PDF document text
- http://soupworld.de/upload/file/39301712538.pdfIn PDF document text
- http://siblom.ru/files/upload/file/63044821718.pdfIn PDF document text
- http://aquitaine.annuaire-regional.com/ckfinder/userfiles/files/5596743225.pdfIn PDF document text
- http://loscogliodifavignana.it/userfiles/files/86776702794.pdfIn PDF document text
- http://sung1.com/upload/files/bowebobururupasiwapele.pdfIn PDF document text
- https://albizy.com/ckfinder/userfiles/files/62365097884.pdfIn PDF document text
- https://gkatsov.com/userfiles/file/pisawezawax.pdfIn PDF document text
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/b38af1c352b2c21dc5e0b3909ef9b3e3/49324007720.pdfIn PDF document text
- http://5lovestartw.com/CKEdit/upload/files/23536474120.pdfIn PDF document text
- https://atvatextile.com/upload/ckfinder/files/1418250908.pdfIn PDF document text
- http://centralcogtc.com/uploads/file/vefiwuzekajuwigowivekix.pdfIn PDF document text
- https://sitarasign.ir/data/file/rolojuwawukevu.pdfIn PDF document text
- https://eol.org.pe/ckfinder/userfiles/files/66644646978.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+restart+macos+in+recovery+modePDF 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_off0000e62f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE62F | 10740 bytes |
SHA-256: addb81970f24f9bf8a5edf3f98045971149533c019ccdf05b650f2846f136072 |
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font_01_sfnt_off0000fef8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEF8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001170a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1170A | 17688 bytes |
SHA-256: 6656d44c551daa289dd027d5d94c0feb882799bcb9ba9c746e398c4119f8e7c9 |
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