MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to external PDF files hosted on various domains, suggesting a link farm or redirection mechanism. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination. While no scripts were explicitly extracted, the PDF structure and embedded URLs are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 5
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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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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://rococosofa.com/files/files/xabifi.pdf In PDF document text
- https://christianklein.eu/Quansis/ckfinder/userfiles/files/mozisaperugojibesifi.pdfIn PDF document text
- http://bangladeshceramicsociety.com/uploads/editor/files/beneleronox.pdfIn PDF document text
- http://cngwalk.com/fckeditor/userfiles/image/dofoxanipikelemolivixu.pdfIn PDF document text
- https://labelmarket.eu/data/file/xopiju.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1614fa6c19b8e0---93866312558.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/davufavimabimejoj.pdfIn PDF document text
- http://shinies.ru/img/lib/file/40234080540.pdfIn PDF document text
- http://adimhukuk.com/resimler/files/39711697752.pdfIn PDF document text
- https://gancza-yacht.pl/userfiles/file/70512668638.pdfIn PDF document text
- http://npas.ru/pic/file/21259910815.pdfIn PDF document text
- https://quimicasorocolor.com.ve/ckfinder/userfiles/files/6658325954.pdfIn PDF document text
- http://sziszolg.hu/editor_up/23142859175.pdfIn PDF document text
- http://ozdermusavirlik.net/userfiles/file/fobozutekefufisijiwof.pdfIn PDF document text
- https://tonycustomtailoring.com/nbloom/fckuploads/file/12393308449.pdfIn PDF document text
- http://swatimishra.in/uploaded_files/userfiles/files/tijegotofowukuximefozo.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614765ac49559---bizegewuja.pdfIn PDF document text
- https://sunnyrosesschool.com/userfiles/file/resuva.pdfIn PDF document text
- https://nidi.mk/ckfinder/userfiles/files/legijowanul.pdfIn PDF document text
- http://strandedtattoo.net/file/40995020501.pdfIn PDF document text
- http://nexxosrealty.com/userfiles/files/68067918143.pdfIn PDF document text
- http://kwong-cheong.com/userfiles/pelopal.pdfIn PDF document text
- http://eros-arena-reutlingen.de/eros/userfiles/file/walodawopalezufapagevope.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=app+for+prank+calls+on+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_off0000b2af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2AF | 16016 bytes |
SHA-256: 84661b6dc0735cd371ecf29de790b6a1e452d771105064f174a6799c5ad92ad3 |
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font_01_sfnt_off0000db89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB89 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f3a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3A0 | 10456 bytes |
SHA-256: 9e4b6cdd49f2ed5939ec37ef166da84905a6e4e3f91f441bda4df9995976265a |
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