MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded links, with one specifically identified as part of a link farm hosted on disposable domains, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the heuristic firings strongly point towards a malicious PDF designed to redirect users to external, potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 5
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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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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://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16150fbaf86152---nuxoxuposudefopomebe.pdf In PDF document text
- https://branchennachweis.eu/userfiles/file/79137066452.pdfIn PDF document text
- http://hoitruyengiaocodocvietnam.com/uploads/image/files/11381685727.pdfIn PDF document text
- https://dennismaloney.ca/upload/editor/file/dipilepini.pdfIn PDF document text
- https://specialgarden.ro/userfiles/file/jagabaredabuge.pdfIn PDF document text
- http://punaide.com/userfiles/files/wusadezemomafeluz.pdfIn PDF document text
- http://futsalcb.cz/picture/vtextu/file/tavarufif.pdfIn PDF document text
- http://shengyaweb.com/uploadfile/file/2021090801272667.pdfIn PDF document text
- http://smcertificationservices.com/userfiles/files/47175372753.pdfIn PDF document text
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/a62cq6bdc19qr34a93phpqm36r/35866679105.pdfIn PDF document text
- http://optykglowacki.pl/obrazki/files/35818702107.pdfIn PDF document text
- http://khiensa.com/UserFiles/File/53806572373.pdfIn PDF document text
- https://bselink.com/userfiles/file/bobabasepubib.pdfIn PDF document text
- http://sor1310.com/userfiles/file/nifalepedamozifak.pdfIn PDF document text
- http://citysoupsbellevue.com/uploads/files/xakakuwemi.pdfIn PDF document text
- https://ukmriptek.org/codeIgniter-hmvc/userfiles/files/legusovirosusudi.pdfIn PDF document text
- https://processwork.archerhuang.com/ConImg/files/89710454603.pdfIn PDF document text
- http://ezclasssites.com/var/wwww/dev-ezclasssites-com/data/files/55627864319.pdfIn PDF document text
- https://migger.dk/userimages/file/74483043957.pdfIn PDF document text
- http://rootbeadmill.com/upload_fck/file/2021-9-8/20210908075747172197.pdfIn PDF document text
- https://bientannamhuy.com/wp-content/uploads/files/sogav.pdfIn PDF document text
- http://sk4education.com/ckfinder/userfiles/files/62542294404.pdfIn PDF document text
- https://chiataiec.com/userfiles/Proj_Name/files/98422877300.pdfIn PDF document text
- http://tiendanatacion.com/noticias/files/gimajanojasabex.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=app+in+place+of+shareitPDF 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_off0000b7f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7F7 | 10560 bytes |
SHA-256: 3b1690668de98fbdca1081a33c33a20dde2a62e73aeb3e35647e43683f282b76 |
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font_01_sfnt_off0000d00b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD00B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e81d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE81D | 19108 bytes |
SHA-256: f62fd270b6a0811d9b0168adb564592d6303797a86a9b9ec8c8461a4cb5853c1 |
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