MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to external PDF files, suggesting it acts as a lure or a redirector to further malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically indicates a pattern of using disposable hosting for link farms, common in phishing and malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://allasclub.com/campannas/file/78968646090.pdf In PDF document text
- http://xn--90aoaidn.xn--p1ai/ckfinder/userfiles/files/26337649518.pdfIn PDF document text
- http://aatmicscience.org/asuserfiles/file/35893988128.pdfIn PDF document text
- https://thucphamtruongxanh.com/Upload/files/zakixuxikosonejepugomapax.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4eaff06b7---94534291157.pdfIn PDF document text
- https://casalindasbakery.com/ckfinder/userfiles/files/zafitidisasi.pdfIn PDF document text
- http://alumcity.ru/userfiles/file/gotijobewodu.pdfIn PDF document text
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/a06iei04fh2sc02lohd9liq1hu/xosawetadil.pdfIn PDF document text
- http://monthclean.com/uploads/files/202109010055178805.pdfIn PDF document text
- https://seger.cz/userfiles/file/wopik.pdfIn PDF document text
- https://lrsdev.com/userfiles/file/68926618443.pdfIn PDF document text
- http://lavalnerina.com/userfiles/file/39480657024.pdfIn PDF document text
- http://nhuaduongnhapkhauaz.com/upload/files/pukobij.pdfIn PDF document text
- http://origo.ws/userfiles/file/38239349120.pdfIn PDF document text
- http://elvirajogsi.hu/ckfinder/userfiles/files/23509199075.pdfIn PDF document text
- http://jump360.co/upload/files/20210908194818.pdfIn PDF document text
- http://rtm-plus.com/ckfinder/userfiles/files/85273913350.pdfIn PDF document text
- http://adimhukuk.com/resimler/files/deruxukozirov.pdfIn PDF document text
- http://chono.mn/uploads/userfiles/files/92715333435.pdfIn PDF document text
- http://saharun.org/uploads/ckfinder/userfiles/files/sidobilexuva.pdfIn PDF document text
- http://gonvvama.net/filespath/files/20210902120636.pdfIn PDF document text
- http://rockbond-aac.com/id-admin/fckImages/file/folalewi.pdfIn PDF document text
- http://clean-ecology.com/Upload/files/riwezezevov.pdfIn PDF document text
- http://imaginove.eu/data/Files/88186352010.pdfIn PDF document text
- http://sity-luxe.ru/userfiles/file/85534840119.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=balaclava+id+unturnedPDF 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_off0000d528.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD528 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED3A | 17672 bytes |
SHA-256: 4109e197efb238fad36495cc279cbbca4a90b4aa7966cd9c8f9652cb8f07c3fa |
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font_02_sfnt_off00011aca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ACA | 10296 bytes |
SHA-256: 30310dc1a2f58df3bb3f1a00d4f49568eb95c650597c776fefdec93e523da73f |
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