MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress uploads and disposable hosting domains, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://khonggianxua.samdigroup.vn/app/webroot/upload/files/78620426045.pdf In PDF document text
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ea01a830c7---7104681531.pdfIn PDF document text
- http://chrisnoblelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/58355525942.pdfIn PDF document text
- http://denprokhorov.ru/images/file/92409906536.pdfIn PDF document text
- https://maconlux.lu/userfiles/files/90633548902.pdfIn PDF document text
- http://ohxto.com/uploaded_files/userfiles/files/patufawiribumurutez.pdfIn PDF document text
- https://groupunsur4.com/contents/files/bulama.pdfIn PDF document text
- http://kavtas.com/images_upload/files/lekasiri.pdfIn PDF document text
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/46e1d2c8a13ff0fd75a666127c326141/54426854694.pdfIn PDF document text
- http://falconfam.com/ckfinder/userfiles/files/68241757551.pdfIn PDF document text
- https://tradegateindia.com/userfiles/file/lovixuninugaguwajiroda.pdfIn PDF document text
- http://kamerton.nl/clientfiles/11194118771.pdfIn PDF document text
- http://saltokisport.com/uploads/files/92468905859.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/konb5oactov7nu6d8uu82s7fc5/fififevifuraz.pdfIn PDF document text
- http://www.guus.edu.mn/ckfinder/userfiles/files/giwumobexekaki.pdfIn PDF document text
- https://lingchuanfloor.com/app/webroot/userfiles/files/zalidunoka.pdfIn PDF document text
- https://kindeeyudee.com/ck_files/files/fuzazuxavawi.pdfIn PDF document text
- http://popnmusic.fr/userfiles/file/97531005826.pdfIn PDF document text
- https://imaggu.com/ci/userfiles/files/fesogekidedelemogeg.pdfIn PDF document text
- https://navoloki.mebel18.com/uploads/files/lulabi.pdfIn PDF document text
- http://tw-tms.com/uploadpic/xw/files/93261539108.pdfIn PDF document text
- https://kuni.ro/app/webroot/files/userfiles/files/joxijivaku.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161413cfc7d486---74591013353.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a59e013f3a---23142976195.pdfIn PDF document text
- https://hanurichurch.org/ckfinder/userfiles/files/50245607848.pdfIn PDF document text
- http://theponghop.com/upload/files/21973526833.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=types+of+angles+between+two+parallel+linesPDF 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_off0000c2b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2B6 | 19256 bytes |
SHA-256: 462d356f475bd8844b921ce1f1b02850fc49941f5968478a4880cc9b70fc7a42 |
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font_01_sfnt_off0000f59c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF59C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010db3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DB3 | 10836 bytes |
SHA-256: ddf5747e08246ce214145a2f753062c33a66a549029a0a68fed9d5dfe171ca80 |
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