MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs, including a link farm on disposable hosting, suggesting a phishing or redirection scheme. The PDF structure and embedded URLs point towards a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://allytemp.ru/uplcv?utm_term=business+english+for+success+pdf PDF link annotation
- http://valkexclusief.reviews/app/webroot/files/userfiles/files/zeviridarapiralipaka.pdfIn PDF document text
- https://rintrans.com/files/mowirinugaxive.pdfIn PDF document text
- http://www.malagatour.es/ckfinder/userfiles/files/96753766595.pdfIn PDF document text
- http://sysquare.com/UserFiles/files/xibafapidaforikigovukul.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613550adc9d3d---89268146935.pdfIn PDF document text
- https://coil.hk/upload/files/90998085631.pdfIn PDF document text
- https://www.comperat-89.fr/ckfinder/userfiles/files/zoterolofulo.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-9-10/20210910040422709853.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/75961611495.pdfIn PDF document text
- http://vucert.vn/uploads/files/modarenujiva.pdfIn PDF document text
- https://halkum.rs/files/50746702897.pdfIn PDF document text
- http://osheamaloneynylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/62069467944.pdfIn PDF document text
- https://harmony-lazienka.pl/Upload/file/wivufuduvurasilomasaziw.pdfIn PDF document text
- http://jhdljz.com/userfiles/file/1631020147.pdfIn PDF document text
- http://jhdjt.com/images/upload/File/8083397222.pdfIn PDF document text
- http://bertoniamministrazione.it/bertoni/public/file/batimugadekadag.pdfIn PDF document text
- https://vzglavniki.net/data/file/bawirezu.pdfIn PDF document text
- http://jingmingtai.com/filespath/files/20210911011802.pdfIn PDF document text
- https://limberhurstgallery.com/imageuploads/file/58381787391.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/161339d498238a---vogofofovazezutomarikezit.pdfIn PDF document text
- http://nedvizhimost-v-sharm-el-sheikhe.ru/uploads/files/nabokimox.pdfIn PDF document text
- https://camelcarpet.org/d/files/59739932713.pdfIn PDF document text
- http://yanartekstil.com/firma/files/xowaninenuxojitakalujuve.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_off0000e1f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fa09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA09 | 10792 bytes |
SHA-256: 92516d0dce87fd4992f1349c59e4af52cab430eada64c26f02a32cebc2232228 |
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font_02_sfnt_off0001128e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1128E | 17344 bytes |
SHA-256: a72be00a5ca48fec7d831663feb58baad4eb251f5e00738369f7d769d817a9a6 |
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