MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URLs, many of which are hosted on disposable domains, suggesting a link farm or phishing lure. The PDF_RANDOM_URL_LINK heuristic further supports the malicious nature by pointing to an algorithmically generated URL, likely a payload delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 https://krisoc.ru/uplcv?utm_term=document+scanner+made+in+india+mod+apk PDF link annotation
- http://industrialsupplies.pk/userfiles/files/gasezaveb.pdfIn PDF document text
- http://ambulatorioveterinariovianello.eu/userfiles/files/pudomixoxolufo.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/8c63bgupkobiqpv3fimi4cbkt6/84083266643.pdfIn PDF document text
- http://osheamaloneynylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bozalexaravex.pdfIn PDF document text
- https://12shio1.com/contents/files/70235884394.pdfIn PDF document text
- http://hkxhjfc.ltd/uploads/files/20210904073808.pdfIn PDF document text
- http://kaupa.cz/userfiles/file/niropisotuwoxip.pdfIn PDF document text
- http://dylogistics.com/userData/board/file/mopibudopadew.pdfIn PDF document text
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/0gocj73skqfghbabasqqlmm4rj/40174355210.pdfIn PDF document text
- http://irpuyesh.com/cache/fck_files/file/61198868726.pdfIn PDF document text
- http://ajarnveerapong.com/UserFiles/file/17501581462.pdfIn PDF document text
- http://darstin.com/userfiles/files/lujuvivenubasifelemarem.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/remokobod.pdfIn PDF document text
- https://maftplayer.net/calisma2/files/uploads/suzepixi.pdfIn PDF document text
- http://ikra-ekb.ru/files/fckeditor/file/36376571876.pdfIn PDF document text
- http://soeurs-scjboran.fr/soeurs/upload/files/2280769823.pdfIn PDF document text
- http://poslovniimenik.net/firme_data/files/32652329583.pdfIn PDF document text
- https://m-audio.vn/img-m-audio/files/11506294733.pdfIn PDF document text
- http://thrifty-uy.com/files/others/95709766794.pdfIn PDF document text
- https://eol.org.pe/ckfinder/userfiles/files/zenaxenisidanariropuke.pdfIn PDF document text
- http://arredamentoambienti.it/img/file/xivefixinomemopapus.pdfIn PDF document text
- https://satybharat.com/ci/userfiles/files/tibawizojubevigurajutagen.pdfIn PDF document text
- 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_off0000d21b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD21B | 19852 bytes |
SHA-256: 384ddf4cbc21b35035f8ff66bd53ab29d28d1fe06b4485c3f066e688506dda90 |
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font_01_sfnt_off000105f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011e08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E08 | 10820 bytes |
SHA-256: a95278ebdd6b81b4709b933f963c706f0f58a6ff19867e406645d20868576192 |
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