MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file identified as malicious by ML classifiers and ClamAV. It contains numerous embedded URLs pointing to compromised websites and disposable hosting, suggesting a link farm or phishing lure. The presence of external URI and compromised CMS upload links indicates an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://nomylo.ru/uplcv?utm_term=realistic+texture+pack+minecraft+pocket+edition PDF link annotation
- http://www.uc-kushiro.net/images/library/File/kekafejuxokakujiwarukin.pdfIn PDF document text
- http://www.elmundodelapiscina.com/ckfinder/userfiles/files/82543356491.pdfIn PDF document text
- http://fslawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/31995916007.pdfIn PDF document text
- https://textosolutionslinguistiques.com/upload/editor/file/guzuzex.pdfIn PDF document text
- https://unitytradecapital.com/ckfinder/userfiles/files/juvuke.pdfIn PDF document text
- http://f-kcc.jp/user_data/userfiles/files/35161170141.pdfIn PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612ece85970b7---72651581968.pdfIn PDF document text
- http://naturestuff.nl/siteimages/file/29893975139.pdfIn PDF document text
- http://jszl-rolls.com/filespath/files/20210918021539.pdfIn PDF document text
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/1613121d0d671a---jejewolunonetodudada.pdfIn PDF document text
- http://2017.letnifestiwal.pl/ckfinder/userfiles/files/bakujigofibizik.pdfIn PDF document text
- http://achilleferolla.it/userfiles/files/65671678572.pdfIn PDF document text
- http://grandioso.asia/editor_upload_image/file/figitofenudubitoronolo.pdfIn PDF document text
- http://brkvinc.com/userfiles/file/xazir.pdfIn PDF document text
- http://machin.kr/userData/board/file/79157440394.pdfIn PDF document text
- http://bolshunoff.ru/images/wysiwyg/file/5162666534.pdfIn PDF document text
- https://www.supremecaravans.com.au/application/third_party/ckfinder/userfiles/files/43058158226.pdfIn PDF document text
- http://80tner.netsociality.com/upload/files/18033711774.pdfIn PDF document text
- https://ekoelprom.pl/public/images/editor/file/wixopuzenulireluridemum.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/161339e9083a66---tirixuvixonozexozu.pdfIn PDF document text
- http://cathugo-catamarans.de/res/wysiwyg/file/5541283769.pdfIn PDF document text
- https://travelsafeway.com/userfiles/file/65957099185.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_off0000b8c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8C1 | 16192 bytes |
SHA-256: 0460250ef947c1b6a7e81f29937eef3e5862042e6ccf9b8fb1154b099187e869 |
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font_01_sfnt_off0000e227.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE227 | 11120 bytes |
SHA-256: e3f1643d29fb2c02a0339c68ad489c7c8e027da6958eeaf6f01a7be491b8e396 |
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font_02_sfnt_off0000fc1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC1E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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