MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. The presence of multiple external URIs, including those pointing to compromised CMS uploads and disposable hosting, indicates a link farm designed to redirect users. ClamAV detection and ML classification further support its malicious nature, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://krisoc.ru/uplcv?utm_term=dadi+primeshots+watch+online PDF link annotation
- http://kleinschadenexpert.com/userfiles/file/vefatijitedumuxunurodonix.pdfIn PDF document text
- http://sprinter-lab.ru/content/File/jozufefesisukonafasajoti.pdfIn PDF document text
- http://tipkeo.com/js/ckfinder/userfiles/files/tonodebizad.pdfIn PDF document text
- http://xn--90afqerdlt1f.xn--p1ai/admin/ckfinder/userfiles/files/wajalu.pdfIn PDF document text
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a1a2a1fbc4---xifelebugubujexuze.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/009144ca88feb86a8686851cbb9d5647/9256231328.pdfIn PDF document text
- http://czyxchem.com/upload/files/zinanigobonugazopi.pdfIn PDF document text
- http://abbuffalowings.com/uploads/files/5358070554.pdfIn PDF document text
- https://inprovitpuertorico.com/ckfinder/userfiles/files/niwerajokejozanifesatutoz.pdfIn PDF document text
- http://iccjsc.vn/images/uploads/files/76772181748.pdfIn PDF document text
- http://surveycook.com/upload/tmp/202109/file/zeberusumufipirurolesizi.pdfIn PDF document text
- http://fotosvatba.net/userfiles/file/genarikopukagekigowak.pdfIn PDF document text
- http://evo-models.com/uploads/userfiles/files/buvirexuzivukobaseropesas.pdfIn PDF document text
- http://gesundezellen.com/neu/userfiles/file/xukabot.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/s9aibtvabcmmugco4hmg6so90v/30579730760.pdfIn PDF document text
- https://rmp-traueranzeigen.de/cms/files/ponekewoludekavutoke.pdfIn PDF document text
- http://ats-dz.com/userfiles/file/47446786221.pdfIn PDF document text
- http://land89.com/ckupload/files/95706292627.pdfIn PDF document text
- http://shriadinathbank.com/uploads/34525124679.pdfIn PDF document text
- http://cesurmakina.com/userfiles/file/bakixeginesubudutisefir.pdfIn PDF document text
- http://eva.am/files/65f0527a5461a977.pdfIn PDF document text
- http://pate4me.com/userfiles/file/5560894002.pdfIn PDF document text
- http://kondicionery-himki.ru/upload_picture/file/60651692336.pdfIn PDF document text
- http://mamnonhieutrung.edu.vn/ckfinder/userfiles/files/mipajakigob.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613354722512e---nomujisedovotib.pdfIn PDF document text
- http://lunaleo.pl/userfiles/file/zenamozalavaw.pdfIn PDF document text
- 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_off0000e226.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE226 | 10868 bytes |
SHA-256: 1b95f9daaf7a988d6f6eada4780386750d1e4396db37333d8afae789cecdd960 |
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font_01_sfnt_off0000fb1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB1E | 18168 bytes |
SHA-256: f85714cc67cd23707fe95a05c1a0934082eb32194f79f7f8b95aa564d234dcba |
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font_02_sfnt_off00012a27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A27 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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