MALICIOUS
86
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to disposable hosting and are structured as a link farm, indicating a phishing or social engineering attempt. The ML classifier strongly flagged this PDF as malicious, and one of the extracted URIs points to a raw IP address, suggesting an attempt to host malicious content or redirect the user to a compromised site. No scripts were extracted, but the overall structure and heuristic firings point to a malicious document designed to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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 http://japhina.com/upload/file/peferegukuwupoz.pdf In PDF document text
- http://a-b-i-s.net/layout/bilder/file/wuzuketojabuwesover.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614175019831b---49919492189.pdfPDF link annotation
- http://bjerkelunden.org/content/files/userfiles/file///93351719860.pdfIn PDF document text
- http://woori-tour.kr/FileData/ckfinder/files/20210917_FFE2CABA2C5FCACE.pdfIn PDF document text
- http://www.gleason.com.au/application/third_party/ckfinder/userfiles/files/tevinufenolizegoremapol.pdfIn PDF document text
- https://dwitunggaljaya.com/sitefiles/file/47529626022.pdfIn PDF document text
- http://vectorma.ru/uploads/assets/file/tiloz.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613986282be48---63624062602.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1613612fb1032b---kilezafabugutasavili.pdfIn PDF document text
- http://hardiebase.com/uploads/assets/filefile/masuvirenuxadegexigab.pdfIn PDF document text
- http://mauchlineware.com/html/chapelstreet/web/userfiles/files/27847765551.pdfIn PDF document text
- http://www.kickcommerce.com/userfiles/file/wajenato.pdfIn PDF document text
- https://classconnbio.com/img-jacson/files/57472669262.pdfIn PDF document text
- http://www.dean-cpa.com/files/adminpic/file/dufuboretoxafelenisuv.pdfIn PDF document text
- http://bielwod.com/userfiles/file/pugupezizodabaredunapu.pdfIn PDF document text
- https://tonerihned.cz/userfiles/file/83361183303.pdfIn PDF document text
- http://daiduongmetal.com/uploads/ckfinder/files/zegunex.pdfIn PDF document text
- http://newo.ru/files/files/89932349532.pdfIn PDF document text
- https://atlantidegattico.it/file/16900977762.pdfIn PDF document text
- http://teamhead.net/userfiles/file/5178523605.pdfIn PDF document text
- http://plechotice.sk/tmp/file/20426148738.pdfIn PDF document text
- http://capitolmetrophysicaltherapy.com/files/files/73025725112.pdfIn PDF document text
- https://pfhotel.gr/ckfinder/userfiles/files/figojaxixabufikakisugib.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=problems+sending+photos+from+iphone+to+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_off0000e06e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE06E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f880.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF880 | 18372 bytes |
SHA-256: 3fd95c8dca73026c366bd0d0aefa042c45f50413068214ae75e4d5dcee7d3a8a |
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font_02_sfnt_off00012800.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12800 | 11084 bytes |
SHA-256: ce4b0c6b0c3c5f07f9fbf92dd03b5fbe780d9ea02e601962256189eab700fc05 |
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