MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple URLs, some hosted on compromised WordPress sites. The presence of numerous external URIs and link farm indicators suggests a phishing or credential harvesting campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://archism.ru/uplcv?utm_term=hormones+and+their+function+pdf PDF link annotation
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16072f0451ca22---75517200843.pdfIn PDF document text
- http://alhouti.com/userfiles/file/zejavagaranijopifewefu.pdfIn PDF document text
- https://zaindu.drogomedia.com/files/galeria/files/16823700543.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/95a1aa2689f4fef7381404d0bd602631/64291237666.pdfIn PDF document text
- http://newabel.com/ckfinder/userfiles/files/76528180951.pdfIn PDF document text
- https://eternalbliss.net/file/derov.pdfIn PDF document text
- http://prefinancovaniehypoteky.sk/res/file/wunalakaf.pdfIn PDF document text
- http://quadocdao.vn/uploads/files/vilutizoluzu.pdfIn PDF document text
- https://ceccargiurgiu.ro/userfiles/file/jaledoxatosato.pdfIn PDF document text
- http://teamwork-poetschke.com/ckfinder/userfiles/files/pizadevezodegikoxoror.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/3110a54013faa59f76c62217aff0fe13/56085466882.pdfIn PDF document text
- https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/i96om17cdht6u0u21u15203mb3/98916950422.pdfIn PDF document text
- http://asia-test.informacittadino.net/media/files/5249989938.pdfIn PDF document text
- http://tikatalog.sk/_files/file/57599466839.pdfIn PDF document text
- https://sicurezzaips.it/uploads/file/wamimunad.pdfIn PDF document text
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607e04be87aed---jetepamidelerefo.pdfIn PDF document text
- http://okulsanmalatya.com/imgup/file/29478594551.pdfIn PDF document text
- https://next-engineering.com/userfiles/files/witopulijalofudosi.pdfIn PDF document text
- https://congchunghadong.com/uploads/files/54390823002.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16090961e3e967---dinararabola.pdfIn PDF document text
- http://giaydantuongphongngudep.com/images/news/file/genaz.pdfIn PDF document text
- http://rockhousemethod.com/ckfinder/userfiles/files/12644381150.pdfIn PDF document text
- http://pizzeriagiganti.ro/imagini_ws/63067360330.pdfIn PDF document text
- https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/bhcjgfsts1uuooom7cqhspppep/xifusatojunisobiwatebug.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_off0000e4d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4D9 | 17816 bytes |
SHA-256: e84faf8b67d2076f3525b0009f7cc0c060ae850c9137b81e4de3cb6e39a33132 |
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font_01_sfnt_off000112ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112FF | 10932 bytes |
SHA-256: 3fed7ff392adbf5c65c5975cd7aa9e5c9ad0946b57bf000702ba5557efca157d |
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font_02_sfnt_off00012c19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C19 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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