MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and ML classifiers, indicating a phishing or trojan threat. It contains an embedded JavaScript stream and numerous external links, some hosted on compromised CMS uploads and disposable hosting, suggesting it functions as a link farm to direct users to malicious sites. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and heuristics point to a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
Heuristics 8
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://philabc.ru/uplcv?utm_term=how+to+know+connected+wifi+password+in+android
- https://www.ccs-corporation.com/ckfinder/userfiles/files/wowuduxalenafunakowug.pdf
- https://inprovituruguay.com/ckfinder/userfiles/files/wogefozu.pdf
- http://huyminhplastic.com/upload/files/jifupa.pdf
- http://agcslohian.com/userfiles/file/zutigivubetinigegun.pdf
- https://carrieres-pierre.com/userfiles/file/zovopabexumanipamababo.pdf
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/161494b0da4752---subugugesebunerekutixufej.pdf
- https://stonebuild.bg/f/uploads/files/fowugibefagegoro.pdf
- http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/91409655946.pdf
- http://buyyoutubecomments.com/ci/userfiles/files/48912698475.pdf
- http://www.halpellet.hu/userfiles/files/58089633646.pdf
- http://szentimresiklos.hu/upload/file/sodesux.pdf
- https://3eyamaichi.com/upload/ckfinder_temp/files/20210902044144.pdf
- http://domadoma.cz/userfiles/file/tududaxejowu.pdf
- https://exlite.it/ckfinder/userfiles/files/90086981110.pdf
- http://www.florentmaussion.net/userfiles/File/lifazako.pdf
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b702e12eff---kesuzuwisekog.pdf
- http://ipceurope.com/assets/file/80941960971.pdf
- https://minervatech.work/js/ckfinder/userfiles/files/lotiw.pdf
- http://evergladesharvesting.com/ckfinder/userfiles/files/1408251502.pdf
- http://crimesla.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/66794705628.pdf
- http://gaudi.tw/upload/file/punolotivu.pdf
- http://fpole.ru/sadm_files/47969791516.pdf
- https://chptravel.ir/data/file/73976916787.pdf
- https://ceramicasvillaflor.cl/UserFiles/File/51718120269.pdf
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613445261a57c---mawana.pdf
- http://drapa-technika.cz/UserFiles/File/senesixinipasawupajono.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_off0000dfb5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFB5 | 16792 bytes |
font_01_sfnt_off0000f7cc.bin13b07c4b7fcfc459fa7b460c4f79d670ee0e0a2bc157e18d58fb64051f3dba62 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7CC | 10736 bytes |
font_02_sfnt_off000110a8.bina138c5cd4c4f823fb85649a7901d6049b27846891d008a81ae952d6a75cdffdf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110A8 | 17872 bytes |
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