MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://doitoutdoorz.com/file/JWrmfuIG6g4unxF5.pdf In PDF document text
- http://motocams.cz/ckfinder/userfiles/files/10229261430.pdfIn PDF document text
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/83443125221.pdfIn PDF document text
- https://kaptenhoki.net/contents//files/jawadiwowepexos.pdfIn PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d530d133d8---39735932850.pdfIn PDF document text
- http://ottuk-e.org/userData/board/file/tifukimodafojijuba.pdfIn PDF document text
- http://bradzo-ep.com/uploads/files/92588223993.pdfIn PDF document text
- http://kahounova.cz/userfiles/file/sagutitixefulezesowuto.pdfIn PDF document text
- http://jcpingie.be/public/files/buronojexidajokalu.pdfIn PDF document text
- https://tecnibat.net/uploads/archivos/ditubavovifinoz.pdfIn PDF document text
- http://americasbestmanassas.com/uploads/files/73601838433.pdfIn PDF document text
- http://csim.jp/ckeditor/uploads/files/xopejar.pdfIn PDF document text
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c4712e9d8d4---detit.pdfIn PDF document text
- https://hglobaltourb2c.com/FileData/ckfinder/files/20210728_0185B249D645DB6B.pdfIn PDF document text
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/kq0l6oafkemt0p6ccbg6s3uail/49195588070.pdfIn PDF document text
- https://www.opsclown.it/ckfinder/userfiles/files/wasodezeju.pdfIn PDF document text
- http://abcbyspu.com/ckfinder/images_store/files/98967262282.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608194490db1a---77949167838.pdfIn PDF document text
- https://haysalon.com/public_html/userfiles/file/xovikikemuronep.pdfIn PDF document text
- https://medicentrumnz.eu/medicentrum/files/file/51114248389.pdfIn PDF document text
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/7038ebcca6ee3ab83f3e2dc42f3dfcfb/44710925050.pdfIn PDF document text
- http://isystem.hu/ckfinder/userfiles/files/41596996514.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=manual+jaguar+xf+2010PDF 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_off0000db4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB4F | 10396 bytes |
SHA-256: 157b2e6e22b9e1e12438f9da66912eb2350eaaa9926f703d81c4b49fbc243d5e |
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font_01_sfnt_off0000f30a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF30A | 17028 bytes |
SHA-256: 7a84471bf6b9ffa80807a113d405ee6edc9e74880f39f868e815c35ef77dd9f0 |
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font_02_sfnt_off00011ef8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EF8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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