MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics indicate the document functions as a link farm, directing users to multiple external URLs, some hosted on potentially compromised CMS uploads. The presence of numerous unknown URLs suggests a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://hoitruyengiaocodocvietnam.com/uploads/image/files/4763762545.pdf In PDF document text
- http://thaoduoconline.com/userfiles/image/file/88749810862.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613d92009aeaa---bejazut.pdfIn PDF document text
- https://butzbacher.turnpoint.jo/app/webroot/upload/files/19171019870.pdfIn PDF document text
- https://goez3.com/10005001208290177/ckfinder/userfiles/files/nagevirija.pdfIn PDF document text
- https://lotusmarinevn.com/upload/files/raxotelobonuloxufodusuzo.pdfIn PDF document text
- http://phubozena.pl/userfiles/file/rabixene.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/h2hej8o1vm2j05bj2346bevcfh/40106847334.pdfIn PDF document text
- http://drairtools.com/ckfinder/userfiles/files/51512940204.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/16142d097d465c---2674409793.pdfIn PDF document text
- https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/85977280485.pdfIn PDF document text
- https://vpmemorial.net/images/file/8601809719.pdfIn PDF document text
- http://sushiosushi.com/uploads/files/35688913661.pdfIn PDF document text
- https://damsindia.org/admin/uploads/file/gojukepuraniduvawesosi.pdfIn PDF document text
- http://krakowska98.com/zdjecia/fck/file/zovusuwinanusikirunosaga.pdfIn PDF document text
- https://am-system.eu/ckfinder/userfiles/files/budopezonerusozorerukeja.pdfIn PDF document text
- https://iskoruma.com/upload/ckfinder/files/5852141981.pdfIn PDF document text
- http://thetestmag.com/userfiles/files/42368983533.pdfIn PDF document text
- http://bestbuyfromindia.com/userfiles/file/duzusisemifixubutukepa.pdfIn PDF document text
- http://hawaiisushi.iorderfoods.com/uploads/files/zunoraritilifi.pdfIn PDF document text
- https://www.puskinas.lt/ckfinder/userfiles/files/59175973335.pdfIn PDF document text
- http://remobudostol.pl/pliki/nodedodezoronululudeti.pdfIn PDF document text
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161327659d89cd---91831993913.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16133625424147---ravapiwiwaguwosego.pdfIn PDF document text
- http://raylutickenterprises.com/userfiles/files/natina.pdfIn PDF document text
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161387258d0e80---newudoxunezudenazod.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=display+phone+on+screenPDF 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_off0000cf49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF49 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e75b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE75B | 17396 bytes |
SHA-256: dd9b17f46c6a72a6ffb52990040e813ec75b6936d031b3e7900593379b023ad3 |
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font_02_sfnt_off00011453.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11453 | 10488 bytes |
SHA-256: d66d83458e22d5e98f1887a2ddf70b1bf1fa42639704f8f6556e852cd491c952 |
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