MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many hosted on disposable domains, indicating a malicious intent to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this is a link farm designed to host malicious content or facilitate phishing. The ML classifier and ClamAV detection further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://ameshamagazine.com/js/upload/files/8056488908.pdf In PDF document text
- https://ariconium.cz/webpagebuilder/ckfinder/userfiles/files/juzasimoter.pdfIn PDF document text
- http://xn--b1agaa2anfqdp.xn--p1ai/ckfinder/userfiles/files/jelodotojejubumetagaza.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/16141675aaf2b1---nifigivuxilimawi.pdfIn PDF document text
- http://ccshecea.org/upload/files/17243324036.pdfIn PDF document text
- http://ciba.lv/uploaded/file/31227022110.pdfIn PDF document text
- https://thebillionbottom.com/business_school/uploads/file/junutaxisimones.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/ulne87mp2nhb37vbvp4skn78tb/fokijeter.pdfIn PDF document text
- https://asiantms.com/ckfinder/userfiles/files/1058539742.pdfIn PDF document text
- http://www.scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/28165952904.pdfIn PDF document text
- http://www.hro.ait.ac.th/js/ckfinder/userfiles/files/pafolitar.pdfIn PDF document text
- https://onthespothousing.com/userfiles/file/67645321490.pdfIn PDF document text
- http://radio6deenero.com/uploaded/files/64881990241.pdfIn PDF document text
- http://upoart.com/ckfinder/userfiles/files/vuwugagajibu.pdfIn PDF document text
- https://vkgnassociates.com/dayafter/uploadimages/newsimages/file/bineke.pdfIn PDF document text
- http://dribblebar.pl/userfiles/file/85259733737.pdfIn PDF document text
- http://konikanarrowfab.com/ckfinder/userfiles/files/78042052201.pdfIn PDF document text
- http://primeasset.hu/fileok/file/9225388863.pdfIn PDF document text
- http://4yoga.by/pics/files/79377846905.pdfIn PDF document text
- https://fullhousetourism.com/UploadFiles/file/20210902201012172.pdfIn PDF document text
- http://ambulatorioveterinarioscapindandrea.it/userfiles/files/fufakavunubosesexa.pdfIn PDF document text
- http://bdsps.org/slbdavbatala/userfiles/file/bujivexizezosifudojosem.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=uninstall+app+from+android+studioPDF 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_off0000d6f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6F2 | 10636 bytes |
SHA-256: 2637851de50c909bc169263714e2fc39e4a0524faf167c7e6c4feced3fb6d070 |
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font_01_sfnt_off0000ef37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF37 | 18600 bytes |
SHA-256: acfa7365314218930eb715b4b56ecd4be045e4cfebefcc20d388f7463732d145 |
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font_02_sfnt_off00011fbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FBE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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