MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, with a high-confidence heuristic identifying a link to an algorithmically-generated URL likely intended for malicious purposes. The ML classifier also flagged the PDF as malicious. While no scripts were directly extracted, the structure and URL patterns suggest a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://garnet-medical.com/userfiles/files/jomakodu.pdf In PDF document text
- http://chingyi.tw/userfiles/files/75053732522.pdfIn PDF document text
- http://crosswaysrecruitment.com/userfiles/file/84487592847.pdfIn PDF document text
- http://sinhorelli.com/userfiles/file/26436504775.pdfIn PDF document text
- http://around-sicily.net/userfiles/file/tezudurisesipu.pdfIn PDF document text
- http://srilakshmienterprises.net/uploads/85263237254.pdfIn PDF document text
- https://aukshanya.promosing.com/alpha/ckfinder/userfiles/files/zinivonadisidalo.pdfIn PDF document text
- https://rais.bg/uploads/file/65143717233.pdfIn PDF document text
- https://itchanoi.vn/uploads/news_file/vokewibemuxomesoxav.pdfIn PDF document text
- http://savvyais.com/userfiles/file/gisil.pdfIn PDF document text
- http://ngocvietbungalow.com/upload/files/tituwixodizavapavub.pdfIn PDF document text
- https://olterus.info/contents/files/gerigurisetabujiladokiv.pdfIn PDF document text
- http://turnyras.lt/Files/file/nazopazagezilemoje.pdfIn PDF document text
- http://fructusartis.com/i/File/76250987498.pdfIn PDF document text
- http://texinpack.com/uploadfile/file///2021091308163975.pdfIn PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/gjskoiddnhfkipj6ea7nlg2kf1/37571773607.pdfIn PDF document text
- http://fantasymusic.it/userfiles/files/92745537768.pdfIn PDF document text
- http://355353.ru/userfiles/file/golowarenot.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/3gq83tctu607alkst5or8a5090/4747291407.pdfIn PDF document text
- http://ingfrimale.com/userfiles/files/zemukanegodozet.pdfIn PDF document text
- http://thriftstorewebsites.net/flash/thriftstorewebsites.net/file/70494264069.pdfIn PDF document text
- http://xn----7sbbbizu2bxaod.xn--p1ai/userfiles/file/38778874027.pdfIn PDF document text
- http://kprmk.pl/userfiles/file/kejinimawuvuwimowire.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=samsung+galaxy+s4+mini+wikiPDF 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_off0000ea57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA57 | 10648 bytes |
SHA-256: cda4303ac686cf257138a79b851026411b670621d63a45d1c57b07535b23b8b0 |
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font_01_sfnt_off000102ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102BA | 17960 bytes |
SHA-256: a337958655943c143ba52942e433212860a8ecf7475110bd42cec01c30e58619 |
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font_02_sfnt_off0001313b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1313B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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