MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, preventing a more detailed analysis of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://sxsasa.org/images_fck/file/1630729110.pdf In PDF document text
- http://cbestdesign.com/ckfinder/images_store/files/49138763371.pdfIn PDF document text
- http://fotocaroli.it/userfiles/files/14748749458.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1613a92a4863e7---83815511927.pdfIn PDF document text
- http://rentbucharest.net/images/userfiles/44207783000.pdfIn PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/6e74a83b20370494a1d7129189fe5834/32772670307.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613780b459c1e---89087592398.pdfIn PDF document text
- https://resicolor.com/upload/files/redigok.pdfIn PDF document text
- http://www.extramas.com/userfiles/files/43542833974.pdfIn PDF document text
- http://kubabus.cz/novy-web/upload/file/65359639316.pdfIn PDF document text
- http://kayapalinakliyat.com/file/zewabakiru.pdfIn PDF document text
- http://zoo-foto.cz/userfiles/file/50486286440.pdfIn PDF document text
- http://wxmx.cn/upload/ckimg/files/202109011421307666.pdfIn PDF document text
- http://jhdljz.com/userfiles/file/1630909373.pdfIn PDF document text
- http://www.gamylai.vn/uploads/files/rofofarokakodu.pdfIn PDF document text
- http://marjoleintje.nl/include/userfiles/situzod.pdfIn PDF document text
- https://fototipia.hu/files/files/18009154063.pdfIn PDF document text
- http://zajazd-broadway.pl/galeria/file/jiketodonerodataroru.pdfIn PDF document text
- https://www.frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/pegulezotefadapalor.pdfIn PDF document text
- http://taiwan-tsai.com/upload/files/putoxodemef.pdfIn PDF document text
- http://joinsocialbubble.com/cake/beta/userfiles/file/74558145185.pdfIn PDF document text
- http://isspskola.lv/userfiles/files/74630476622.pdfIn PDF document text
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/q4487635jjbntdf40ed5ik3sdr/zesusaxilizurimogawa.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=microphone+live+apkPDF 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_off0000dd99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD99 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f5ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5AB | 18508 bytes |
SHA-256: d1b9e3c9c5943864f62e170eb2b9d7a3eb00055cded98065568b63d2a9c15f66 |
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font_02_sfnt_off000125f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125F0 | 10356 bytes |
SHA-256: 01f52a8b60e98ca9900ef6ee18f203b19f21af422c7b55558e14c74fcd41b978 |
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