MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and numerous links pointing to potentially compromised websites, indicating an attempt to redirect users to malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the document is designed as a link farm on disposable hosting, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://kdwatch.net/upload/files/2021090311594690.pdf
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130c26d97b6f---refupukidujumazi.pdf
- http://placidlakes.com/larpm/uploads/file/radit.pdf
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/16134410a2a05b---71286836278.pdf
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/9ed8096368fa063cc903ef6928ad1c16/92124546322.pdf
- http://insfilings.com/skyzone_classic/upload/files/razuvugivopejejuguni.pdf
- https://paron-rebondir.com/uploads/files/fibetusevurivoredapifejok.pdf
- http://familie-schiecke.de/images/file/zetopo.pdf
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/a83cd71cda5ef73be8900751ffa74d8e/56900600990.pdf
- http://jingkangchem.com/upload/files/tabufazujativiselaki.pdf
- http://teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/suxaxoxekanorafumave.pdf
- https://adlinefor.com/home/webagen/public_html/korn/data/file/64520481423.pdf
- https://pasarantogel.com/contents/files/23515870640.pdf
- http://dpnovelty.com/upload/files/zajuf.pdf
- https://daqing-jewelry.com/uploads/files/202109060128413230.pdf
- http://cathyourhair.nl/js/ckfinder/userfiles/files/mapepitafediwolugaw.pdf
- https://ntpuvoice.com/ckfinder/userfiles/files/zurorilapagiti.pdf
- https://petandpuppies.com/userfiles/file/gebefawexisawosirubutab.pdf
- https://strategie-forex.com/ckfinder/userfiles/files/62593193224.pdf
- https://ladangmimpi2.com/contents/files/70010951040.pdf
- http://randoquad72.fr/userfiles/file/puvelete.pdf
- https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/86280647672.pdf
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161328b3bb4311---bujovusepexamanil.pdf
- http://etepi.pt/js/ckfinder/userfiles/files/melifewurasuwalawixuzuwet.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=kerala+tour+plan+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_off0000dbbe.bin813455f2e2ed4d8075ac3503223c26a8bc65847d9fa04b39cd7acc4806ed76e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBBE | 17524 bytes |
font_01_sfnt_off000108da.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108DA | 16792 bytes |
font_02_sfnt_off000120f1.bin71155c0d5481b83aea28a96ceeec08d68dc5e7f4169ed581aee21b6d6726df75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120F1 | 10324 bytes |
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