MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous links to external websites, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
Heuristics 6
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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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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://chcial.ru/uplcv?utm_term=how+to+subscribe+to+bein+sports+connect PDF link annotation
- http://cnhhgj.com/upfiles/userfiles/file/xogabifusegoralusuwotun.pdfIn PDF document text
- http://aczelzalog.hu/tmp/18501849141.pdfIn PDF document text
- http://hotelamadeustorino.com/userfiles/files/wewavipiduxuxuzoxixux.pdfIn PDF document text
- http://drsuthichai.com/userfiles/files/40154011588.pdfIn PDF document text
- http://tksvolga.ru/userfiles/file/kuzanezixeregora.pdfIn PDF document text
- http://emotionpicturesfestival.gr/userfiles/file/63367021654.pdfIn PDF document text
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1611859bc21c5e---sekuwawis.pdfIn PDF document text
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a76e96c982---xagiduser.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/rsfaput6rbq2fg4lle2g57jnvm/robol.pdfIn PDF document text
- https://ietc-oman.com/userfiles/files/wunutozezifadunapezakokun.pdfIn PDF document text
- http://avandcie-energy.com/ckfinder/userfiles/files/fejunonilegonajiluwesu.pdfIn PDF document text
- https://sealskinz.ru/files/file/50213523457.pdfIn PDF document text
- http://jualumnitoronto.com/editor/uploadfiles/95340703124.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ec0399c8b1---48334418695.pdfIn PDF document text
- http://bigsvatcharasith.com/userfiles/file/60712599039.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/zupetugowupajawuberagol.pdfIn PDF document text
- https://amatnieks.com/pictures/image/83081927189.pdfIn PDF document text
- http://vasvaripalmuzeum.hu/upload/file/pumotimomepexirise.pdfIn PDF document text
- https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/o6jb5eq5scp29c000olbh6j9ht/73615359795.pdfIn PDF document text
- https://samarpanbharat.org/trila/userfiles/file/damobo.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/cbf170548af5cd107363240c2cf9e63f/gojafixawaros.pdfIn PDF document text
- https://coluer.ir/documents/file/84106505228.pdfIn PDF document text
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/b594be04dc8ea07fc569477db9cc5a32/61152349431.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb59226df2---pepazotozuvajema.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_off0000e2b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2B6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000facd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFACD | 10476 bytes |
SHA-256: 3aeaf56d2d97cc76279cf55e549ff339df47209b010c789a271a4385177d06da |
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font_02_sfnt_off00011291.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11291 | 17980 bytes |
SHA-256: b2aa1390f0c31877b120aa088d8f919fb84f1c4dd4ad858421a92a2bb2292ff0 |
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