MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs pointing to various domains, many of which are associated with compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The ML classifier strongly flagged this PDF as malicious. While no scripts were directly extracted, the nature of the embedded URLs suggests a phishing or malware distribution attempt, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 5
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://irlanc.ru/uplcv?utm_term=apps+to+watch+free+series+and+movies PDF link annotation
- http://aircond.md/upload_fck/file/duzewujezujakarijenu.pdfIn PDF document text
- https://riwg.in/userfiles/file/tojakamulenaj.pdfIn PDF document text
- http://sakurahoaanhdao.com/webroot/img/files/9177609200.pdfIn PDF document text
- http://krukaiart.com/userfiles/files/rejewafaxanurabigoxi.pdfIn PDF document text
- http://aburobocon2019.mnb.mn/uploads/files/74404378246.pdfIn PDF document text
- http://santeh.md/img/files/tokirogagenajibu.pdfIn PDF document text
- http://allgeology.ru/ckfinder/userfiles/files/60700517053.pdfIn PDF document text
- https://bwawarszawa.pl/upload/file/63288995098.pdfIn PDF document text
- https://mama-light.net/business_school/uploads/file/gejumelenosenewo.pdfIn PDF document text
- https://ku4ysk-9lgp4y.com/contents/files/29666477293.pdfIn PDF document text
- https://swagath.co/new/ckfinder/userfiles/files/92490602011.pdfIn PDF document text
- https://gancza-yacht.pl/userfiles/file/69077613749.pdfIn PDF document text
- http://studioferrato.it/userfiles/files/masigex.pdfIn PDF document text
- https://webmenuplus.com/images/file/rupajesunenikibowite.pdfIn PDF document text
- http://pokemom2.com/uploads/files/82483862299.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc30740e88---digotanazul.pdfIn PDF document text
- https://djecijagarderoba.me/userfiles/file/jevixirotu.pdfIn PDF document text
- http://homeopathyhongkong.org/files/53095161274.pdfIn PDF document text
- http://stmrcstvm.com/userfiles/file/kupovexeriguvamugukava.pdfIn PDF document text
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/eea05532748ab6858d5c59fb3f5764e7/pukarituzozovenonad.pdfIn PDF document text
- https://officialbacknumber.org/editor_up/natowuruxi.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/16136db2c48b4d---dodirur.pdfIn PDF document text
- http://preiswerte-unterkunft-papenburg.de/mediapool/63191807684.pdfIn PDF document text
- http://bayanairag.com/uploads/userfiles/files/fowijevuvogezedofifanomis.pdfIn PDF document text
- http://bharatdarshan.net/rgroup/ckfinder/userfiles/files/5618626884.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_off0000fb00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB00 | 10972 bytes |
SHA-256: a318cad89d68211380819a94a18d0493973f55073bc58a9654ba8f82caa2f3c8 |
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font_01_sfnt_off00011468.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11468 | 17724 bytes |
SHA-256: 483a51f137577debba333103e8a86b475930c39ef606046042e199ce3bbb5737 |
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font_02_sfnt_off000141d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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