MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised websites and disposable hosting domains. The primary purpose appears to be facilitating phishing or malware distribution through these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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=how+i+met+your+mother+streaming+rights PDF link annotation
- http://fisioterapiasuzzara.it/userfiles/files/xosoxufo.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/370c46250a9010344b8841d52fd2c5c9/41245675949.pdfIn PDF document text
- http://laulumaja.fi/ckfinder/userfiles/files/84899589590.pdfIn PDF document text
- https://gamaconsultores.cl/upload/file/movol.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609df010b2af6---59010015387.pdfIn PDF document text
- http://jar-ted.pl/file/28523150781.pdfIn PDF document text
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160bfebe1a423d---47505284435.pdfIn PDF document text
- http://videofilm-tv.ru/content/File/bawekutakirifeju.pdfIn PDF document text
- http://ambulatorioveterinariocamali.com/userfiles/files/rizegupalow.pdfIn PDF document text
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/160711f080ac26---11849152569.pdfIn PDF document text
- https://sheenabusesandcoaches.com/userfiles/file/55657301950.pdfIn PDF document text
- https://corpus.bg/files/fck/file/72101823874.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c314f03a233---suzap.pdfIn PDF document text
- https://unique-u.biz/images/uploads/file/donemakesonodivakigazopum.pdfIn PDF document text
- http://fusheng-vietnam.vn/admin/webroot/upload/image/files/vafenaronujepipuvil.pdfIn PDF document text
- http://webcertain.ca/contentupload/fckeditorUploads/organization_/file/lareferi.pdfIn PDF document text
- https://fotofidelity.cz/userfiles/file/benesilakotetobobiku.pdfIn PDF document text
- http://waetsukai.jp/system/ckfinder/userfiles/files/50484101281.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/ann6bp9agj36a3iktjpm97j5co/midevuxexi.pdfIn PDF document text
- http://faxik.online/ckfinder/userfiles/files/23109296832.pdfIn PDF document text
- https://hotelpancharatna.com/assets/userfiles/files/siwavulikeletejijosifobe.pdfIn PDF document text
- https://baohohoanglong.com/userfiles/file/72224778491.pdfIn PDF document text
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1b61ff2a5b---nizol.pdfIn PDF document text
- http://www.chatanakonci.cz/userfiles/file/29214716087.pdfIn PDF document text
- http://s292376414.onlinehome.fr/datas/imgmail/file/89882028991.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_off000136c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136C7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00014ed9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14ED9 | 19828 bytes |
SHA-256: d9ff265fa104008f0946da99af0af8b77ae25538a26e59782a9e1874654f1edd |
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font_02_sfnt_off0001829a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1829A | 10800 bytes |
SHA-256: 1d45170092f35b2cd2a303867e954eaef205ad5efcd517b1c5c8de99fd81a161 |
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