MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1553.005 Security Software Bypass
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, with high confidence. Heuristics indicate it contains a link farm and attempts to bypass security software, suggesting a phishing or malware delivery scheme. The presence of numerous suspicious URLs, including one pointing to a raw IP address, further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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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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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://bachson.net/upload/file/danubikewopujizuloxapiw.pdf In PDF document text
- https://dongciao.com/uploads/files/202109270951317135.pdfIn PDF document text
- https://ppntassone.it/dati/upload/file/gatepiniduro.pdfIn PDF document text
- https://aksukartela.com/images_upload/files/tilizitezikebi.pdfIn PDF document text
- http://crocepadrekolbe.it/userfiles/files/74434598427.pdfIn PDF document text
- http://toshiteriyakiburien.com/uploads/files/90445768235.pdfIn PDF document text
- http://thailaundry.com/imgUpload/files/96857373225.pdfIn PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16157070ead76a---32478385712.pdfIn PDF document text
- http://szpk.hu/_user/file/vuwetexojexarov.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149c86f2f6a7---13986805582.pdfPDF link annotation
- http://ncteonline.com/userfiles/file/3421352004.pdfIn PDF document text
- http://jakpaisanestate.com/images/upload/files/13638413235.pdfIn PDF document text
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/7c0dde213248ef90f3da1070a1606823/25127721503.pdfIn PDF document text
- http://vector-food.pl/userfiles/file/59615097450.pdfIn PDF document text
- https://bientannamhuy.com/wp-content/uploads/files/fapudolimazebogaz.pdfIn PDF document text
- https://ecodiagnost.com/ckfinder/userfiles/files/71515005181.pdfIn PDF document text
- https://feldmann-spedition.de/pics/userfiles/file/kumilavumuxonabeke.pdfIn PDF document text
- https://eltonltd.ru/sites/default/files/uploads/vajukarataruzerafifa.pdfIn PDF document text
- https://cncunse.com/d/files/japetusunejavewobodez.pdfIn PDF document text
- https://dveropolis.ru/upload_picture/97691564892.pdfIn PDF document text
- https://aymfly.com/aym_image/files/bewariwadisurijomulifusa.pdfIn PDF document text
- http://euskararenginkana.eus/files/galeria/files/77212204817.pdfIn PDF document text
- http://poetische-malerei.de/web/editor/files/dekiwunogabobemeza.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=how+do+u+say+who+are+you+in+spanishPDF 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_off0000ae98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE98 | 14804 bytes |
SHA-256: 859e659d5a89e5f4c96fa27deaec6b9a815f9e592ad19394eebe3e07ff5b4293 |
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font_01_sfnt_off0000d40b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD40B | 10636 bytes |
SHA-256: 85041316531305f2a38fc57f38e84cd46e766cae88e60137627a3fe8ff50f107 |
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font_02_sfnt_off0000ec54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC54 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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