MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple links to external resources, with a high-confidence heuristic identifying a link to an algorithmically-generated URL on a disposable domain. This suggests a phishing or malware distribution attempt. The ML classifier and ClamAV detection further support the malicious nature of the file, indicating it is likely a phishing or trojanized PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://huntic.ru/uplcv?utm_term=my+otg+is+not+working+on+my+phone PDF link annotation
- https://coevent.ru/upload/files/woginiwumosimomimagog.pdfIn PDF document text
- http://www.radanhorse.com/resource/files/topewapizawinime.pdfIn PDF document text
- http://kroonzuivel.nl/ckfinder/userfiles/files/88512033804.pdfIn PDF document text
- http://goldendoodlesofthesierranevadas.com/userfiles/file/nupotarex.pdfIn PDF document text
- http://christopherspubandgrille.com/userfiles/files/biwuxofuluvot.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1613a78c33d44b---nedugumifisosi.pdfIn PDF document text
- http://penzionnakrizankach.cz/ckfinder/userfiles/files/53821258579.pdfIn PDF document text
- http://noithatsah.com/webroot/img/files/14805065346.pdfIn PDF document text
- http://divapharma.com/uploaded/file/nimuv.pdfIn PDF document text
- https://astefin.ro/ckfinder/userfiles/files/kesapewotuzifowo.pdfIn PDF document text
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/7428b71f5602ff0b278201b80166795f/powefibixiposokubosizijis.pdfIn PDF document text
- https://cungcapthitdetuoi.com/app/webroot/files/images/pages/files/56070009720.pdfIn PDF document text
- http://lexen.ca/userfiles/files/37772149362.pdfIn PDF document text
- https://mangallagn.com/images/file/sakeroruwurulipabefexotej.pdfIn PDF document text
- http://sinoscaform.com/upload/ckimg/files/202109031003304046.pdfIn PDF document text
- https://alstar.uz/images/shared/file/kivolelonibojorugibam.pdfIn PDF document text
- https://parlagame.com/calisma2/files/uploads/42813901903.pdfIn PDF document text
- http://locke-3c.tw/uploads/files/202109010921068133.pdfIn PDF document text
- https://artlabjo.com/userfiles/file/60155580261.pdfIn PDF document text
- http://globalfeedindustry.com/upload/files/10912325172.pdfIn PDF document text
- https://noticky.net/akce/fotky/file/kefizenelamowedoj.pdfIn PDF document text
- http://accessibilite-salle-eau.com/ckfinder/userfiles/files/nuziverewo.pdfIn PDF document text
- http://canadianrockies.info/files/file/bemugoroka.pdfIn PDF document text
- https://easyown.ddproperty.com/datas/files/zomubelokaleromufow.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_off0000f181.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF181 | 18052 bytes |
SHA-256: 4ea8e5c6fa838c05429bfb294693ec8c89e33a7dc8f11b0838d6173cf47df46f |
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font_01_sfnt_off000120cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120CC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000138e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138E3 | 10776 bytes |
SHA-256: b15395e9bb65b8ff84034a324aace867b8219365cb43ad4287c16f5dee791caa |
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