MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many pointing to potentially compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://pass38.com/images/contentimages/files/43282314938.pdf In PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614e6af72920e---jomekixajunukuxa.pdfIn PDF document text
- http://technoprofile.ru/userfiles/file/91137444116.pdfIn PDF document text
- http://jjw-led.com/userfiles/file/98441872403.pdfIn PDF document text
- https://zlataraburmevuckovic.com/files/9361956422.pdfIn PDF document text
- http://w-mill.jp/images/file/48483073326.pdfIn PDF document text
- http://avstralianature.ru/ckfinder/userfiles/files/71902064228.pdfIn PDF document text
- https://watfordfairtrade.org/app/webroot/img/files/47531676938.pdfIn PDF document text
- http://soc-in.com/data/media/files/38499897398.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/c71b6d2d97544425c4c1977a20016325/8902231340.pdfIn PDF document text
- http://denizyemek.com/images/fck_upload/file/4013035252.pdfIn PDF document text
- https://drivetripper.com/userfiles2020/files/1450941584.pdfIn PDF document text
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b9565c1fb2---dunasumupimusukapefi.pdfIn PDF document text
- http://marathon-gexin.com/Uploadfiles/files/gelosugi.pdfIn PDF document text
- https://triosms.com/userfiles/file/8378664472.pdfIn PDF document text
- http://mstreatmentadvances.com/userfiles/files/mibixafapuwunubavod.pdfIn PDF document text
- http://waycreon.net/bhaskar/yii/upload/files/tizozogexodokopubokagesof.pdfIn PDF document text
- http://ladna.pl/user_images/file/raxusu.pdfIn PDF document text
- https://nichecnk.leaddeehub.com/userfiles/files/rinepodaromojigetakesafa.pdfIn PDF document text
- https://damsindia.org/admin/uploads/file/96968384589.pdfIn PDF document text
- https://ku4ysk-9lgp4y.com/contents/files/wamere.pdfIn PDF document text
- https://giasidaily.com/uploads/userfiles/file/vitogifad.pdfIn PDF document text
- http://hotelalbicia.com/userfiles/file/gigesuva.pdfIn PDF document text
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/5bb5aef73595a1ae241d2c574ac4d989/kokufotebun.pdfIn PDF document text
- https://majubesar.net/contents/files/zezaxelega.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=android+auf+tv+box+installierenPDF link annotation
- 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_off0000b1b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1B7 | 10736 bytes |
SHA-256: c82de66e75db72c646416087daa9619e09b24a2d80803d17da96e134bbb8a6fe |
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font_01_sfnt_off0000ca90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA90 | 16464 bytes |
SHA-256: 34c10c8f838314fedf21bff1373a8488165362c32b97c7bbfa83e0af69aed03f |
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font_02_sfnt_off0000f4f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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