MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate it functions as a link farm, directing users to external URLs such as 'https://pistant.ru/uplcv?utm_term=free+coins+slotomania+bonus+collector'. The presence of multiple PDF links hosted on compromised CMS upload directories further supports its role as a distribution or phishing vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://pistant.ru/uplcv?utm_term=free+coins+slotomania+bonus+collector PDF link annotation
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613c1c7189995---55951706841.pdfIn PDF document text
- https://nhatngudongkinh.phapluatvietnam.com/upload/ckupload/files/4219146231.pdfIn PDF document text
- http://adimhukuk.com/resimler/files/tamodofinulipefakiwasib.pdfIn PDF document text
- http://chinhsuasolieu.com/media/files/sesozof.pdfIn PDF document text
- https://smilaxlabs.com/userfiles/files/raburulelazenabuni.pdfIn PDF document text
- http://smartpaintingplus.com/userfiles/files/84751477445.pdfIn PDF document text
- https://actaviaserica.org/board/file/files/59886423927.pdfIn PDF document text
- https://lifesmart.ro/ckfinder/userfiles/files/kafinobefafalosapurotit.pdfIn PDF document text
- https://tidurmalam.com/contents/files/17280238151.pdfIn PDF document text
- https://mayphotocopydogia.com/upload/files/3580073522.pdfIn PDF document text
- http://nmways.com/uploads/fckupload/file/49099160006.pdfIn PDF document text
- https://gifarlcm.com/upfiles/editor/files/razijidokijamu.pdfIn PDF document text
- http://malir-naterac.info/UserFiles/File/77591266938.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613db080f2662---62911645708.pdfIn PDF document text
- http://yevres.fr/ckfinder/userfiles/files/sitipezibu.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613eaa3664a2b---57118480331.pdfIn PDF document text
- https://mlmrockstars.com/ckfinder/userfiles/files/pojeguvukomiperafezowet.pdfIn PDF document text
- http://diagnosticaedilizia.com/userfiles/files/nisodovetiworodawo.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161361d5799d28---31151686981.pdfIn PDF document text
- https://tumujerrusa.com/userfiles/21138278543.pdfIn PDF document text
- https://bd-sokolovska.eu/userfiles/file/6586302840.pdfIn PDF document text
- https://pointwebhost.com/calisma2/files/uploads/jewalawuvelumito.pdfIn PDF document text
- http://xn--12cbg9dihj7egda2g6a7dceb1d2cp4nvgf4f.com/datas/files/kugilakufimefironexawo.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_off00010ee5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EE5 | 10608 bytes |
SHA-256: 0d24b8cdc4bb0484b84a49db9be1a5b248602b70b3939b895cbc23ea4fb3685f |
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font_01_sfnt_off00012720.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12720 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013f32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F32 | 18860 bytes |
SHA-256: 7dabc020a075625e14cd1c185a2c0e6aa6b0b1973ef0e04213f2b9e8d602bd77 |
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