MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a link farm pointing to multiple domains, several of which are flagged as potentially compromised or disposable hosting. The presence of a 'download button' heuristic further supports the lure-based attack pattern. No scripts were extracted, and the document body was unreadable, but the overall structure and URL analysis strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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 http://travelspace.pl/userfiles/file/29344563078.pdf
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/pqsh97hbvboq3l6mm0i6jupaf2/72757347182.pdf
- http://thebeautyofdesign.nl/ckfinder/userfiles/files/dipaguvazorerefewelenizu.pdf
- http://topbuild.net/content/xuploadimages/file/87020450331.pdf
- http://whuntex.info/userfiles/file/lodubuxovukowatapibudoj.pdf
- http://hoangduy.vn/vn/files/72006736007.pdf
- http://aeklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lotujopevobobasedubu.pdf
- http://gallery4walls.com/upload/editer/file/refapukivisan.pdf
- http://4seasonstours.in/userfiles/file/55492919177.pdf
- http://xn--pr3b03lcdvwu9dpynqkc.com/DATA/file/20210911115751.pdf
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f18c9863ea---9843775160.pdf
- https://aslplastic.com/ckfinder/userfiles/files/gimulefigarovitapedafulo.pdf
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/a1ea008e27e897e85ae9ac3a3cfe01cb/luwibivebozusevapimi.pdf
- http://dezmaster.com/userfiles/file/kizixavenelemagepupor.pdf
- http://studiolorenzino.eu/userfiles/files/zixodiwimadewu.pdf
- http://jjc-dev.com/userfiles/file/jagenawubofupupiresof.pdf
- http://lindendirect.com/tempimg/file/88315173075.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1613b705839798---15946418899.pdf
- http://twtqedu.com/userData/ebizro_board/file/niretibepux.pdf
- http://velocimapper.com/webfiles/file/312539569.pdf
- https://stallion-international.com/userfiles/file/20756147012.pdf
- https://preprodpcb.com/userfiles/files/12752239289.pdf
- https://ww150005.linebot.net/upfile/files/20210913014642.pdf
- http://studiospazioambiente.it/userfiles/files/45161572264.pdf
- https://psychologgia.pl/Upload/file/96023891236.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=final+fantasy+tactics+android+controller+support
- https://lapdonline.org/file/gofumarajofesudaverejogil.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dba1.bin7ef6012693e32269d2285c3c600cac2e87de9cd21cf890243e11c01d66afaf0e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBA1 | 17936 bytes |
font_01_sfnt_off00010a48.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A48 | 16792 bytes |
font_02_sfnt_off0001225f.bin3e1c4aa3880642b5acad72569514ae3d99022762e67896c9c2b99fcdb56cbd56 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1225F | 10804 bytes |
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