MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, including one pointing to a raw IP address, indicating a malicious intent to redirect users to potentially harmful content. The ML classifier and ClamAV detection strongly suggest this is a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://www.sherpachristain.org.np/ckfinder/userfiles/files/76255779028.pdf In PDF document text
- http://farmina.ru/uploads/files/39299782711.pdfIn PDF document text
- https://mertlakustika.cz/images/pages/file/zelew.pdfIn PDF document text
- http://studiobonvino.com/userfiles/files/ribodumojeletedixide.pdfIn PDF document text
- https://rcvizovice.cz/ckfinder/userfiles/files/davubogutemaripepalip.pdfIn PDF document text
- http://140.121.125.49/ckfinder/userfiles/files/20210906_212605.pdfPDF link annotation
- http://ricoconsultingattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/81094493703.pdfIn PDF document text
- http://www.sainteuphrasia.com/www/js/ckfinder/userfiles/files/dojizet.pdfIn PDF document text
- https://nyirfa.hu/uploads/files/bupevibaxonanebab.pdfIn PDF document text
- http://abwingssuffolk2.com/uploads/files/benufeso.pdfIn PDF document text
- http://shardamedicalstore.com/singhania/downloads/file/motawapalubinutoxege.pdfIn PDF document text
- https://www.santaterezinha.com.br/js/ckfinder/userfiles/files/sagikoxizubusu.pdfIn PDF document text
- http://whuntex.info/userfiles/file/86941962766.pdfIn PDF document text
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/de8873e6ae84f3a89bacb2826fbbfe76/81272674617.pdfIn PDF document text
- http://hidropro.hu/upload/pokikebola.pdfIn PDF document text
- http://location-venise.com/italie_documents/files/kezonobabe.pdfIn PDF document text
- http://dansungsala.com/uploads/files/vunozitutisa.pdfIn PDF document text
- https://rh-h1tapi-turbo.com/contents/files/pekavijanixomilumuzike.pdfIn PDF document text
- https://aukshanya.promosing.com/alpha/ckfinder/userfiles/files/5610871935.pdfIn PDF document text
- https://dwitunggaljaya.com/sitefiles/file/43541199608.pdfIn PDF document text
- http://polskienarty.pl/data/aktualnosci_imgs/file/88735690527.pdfIn PDF document text
- http://palyavalaszto.hu/teszt/upload/file/nororupotodutizivilija.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/d7bf3f648b29aa3243f35535a5123114/77417825197.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=apk+location+in+androidPDF 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_off0000e117.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE117 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f92e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF92E | 10280 bytes |
SHA-256: cdc1f047eb74d544c48b26ab70877a52c5eea5062612616332e81b085023ceed |
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font_02_sfnt_off0001106d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1106D | 18324 bytes |
SHA-256: 52e62093430986896e974fe0571a543a1597f498a10473f595ba942b8c163b3f |
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