MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. Heuristics indicate it functions as a link farm, containing numerous embedded URLs pointing to other PDF files hosted on various domains, many of which appear to be disposable. This suggests a phishing or malware distribution scheme where the initial PDF serves as a lure to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 5
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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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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://refpecsbelvaros.hu/kepek/files/46823554296.pdf In PDF document text
- http://oilmachineydy.com/d/files/5696153584.pdfIn PDF document text
- http://ficfart.org/userfiles/file/64446897875.pdfIn PDF document text
- https://pvesc.vn/uploaded/file/xofewimiduxapineb.pdfIn PDF document text
- http://zaragozalawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/10443612590.pdfIn PDF document text
- http://sinproval.it/userfiles/files/40589803068.pdfIn PDF document text
- https://rdw-wolf.de/backend/ckfinder/userfiles/files/jinukinoxi.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/7pefmc231r02fjrh4kcm4ao8e2/bolefoluder.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140eb02d34f2---99017176599.pdfIn PDF document text
- https://elperrocallejero.info/ckfinder/files/pobisinexig.pdfIn PDF document text
- https://rugerwafers.com/demo/ruger/beta/userfiles/files/foveji.pdfIn PDF document text
- http://tweddlefoto.com/files_contenidos/upload/files/8110572396.pdfIn PDF document text
- https://alohasafaris.com/files/jemonalinajazafajebuf.pdfIn PDF document text
- http://hifitness.hu/userfiles/file/turotep.pdfIn PDF document text
- https://hotelharmika.com/assets/userfiles/files/75489380310.pdfIn PDF document text
- http://gediklimakinahidrolik.com/resimler/files/nosudulika.pdfIn PDF document text
- http://potentialdesign.cn/userfiles/file/1630681166.pdfIn PDF document text
- http://boldogelet.hu/media/pavarewawexanefozop.pdfIn PDF document text
- https://www.gurgy.net/ckfinder/userfiles/files/81143954709.pdfIn PDF document text
- http://bachova-terapia.sk/images/file/famadum.pdfIn PDF document text
- http://f-okinawa.com/img/tmp/files/busawe.pdfIn PDF document text
- https://baglab.pl/galeria/file/mifunalajituse.pdfIn PDF document text
- http://ativn.com/upload/file/murupe.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=iphone+to+android+text+problemPDF 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_off0000e3fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3FC | 18232 bytes |
SHA-256: ca2802500e48bd92aadf7b01adccb49643826bb20408457ecaa8da46cf567f07 |
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font_01_sfnt_off000112f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112F6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012b0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B0D | 10680 bytes |
SHA-256: eebc3e25928415aecbcf70305559f9b6f5d2ebc5715c7151e7805d32352721be |
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