MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as a link farm, with many distinct hosts and disposable hosting patterns. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing trojan. The embedded URLs, while some are confirmed benign, point to a pattern of hosting malicious content on compromised or disposable domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://nabijdefossa.nl/upload/files/28315300269.pdf In PDF document text
- http://rkmaster.ru/uploads/files/17717611351.pdfIn PDF document text
- https://www.pelicanfinancialnetwork.com/ckfinder/userfiles/files/xajutozofaze.pdfIn PDF document text
- http://alles-vom-schreiner.de/userfiles/file/dumemitowuzokok.pdfIn PDF document text
- http://italiangreyhound.pl/img1/userfiles/file/rarekitiwivovanikurorek.pdfIn PDF document text
- https://godparents4tz.org/home/god/public_html/ckfinder/userfiles/files/53701347593.pdfIn PDF document text
- http://ilonew.tasksplan.com/ckfinder/userfiles/files/5034590052.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd51b411af---69924459893.pdfIn PDF document text
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/af0e2ec823d7371da6beffb9959bf653/43341069755.pdfIn PDF document text
- http://www.premiumimport.nl/ckfinder/userfiles/files/latugumasu.pdfIn PDF document text
- http://mtsp.by/userfiles/files/91753637181.pdfIn PDF document text
- https://orig-shop-gsm.ro/ckfinder/userfiles/files/23687260809.pdfIn PDF document text
- http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/towuvotidemopuninalibuvu.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135185b0b18a---64744187251.pdfIn PDF document text
- http://yds-wcv.jp/free_images/files/molikufise.pdfIn PDF document text
- https://zegaoyun.com/calisma2/files/uploads/zukupelakujamixakop.pdfIn PDF document text
- http://archissimo.eu/userfiles/files/1801785209.pdfIn PDF document text
- https://martensmgt.com/business_school/uploads/file/4059310044.pdfIn PDF document text
- http://le-bouquet.be/userfiles/files/66517793655.pdfIn PDF document text
- http://mathcountsoutreach.org/userfiles/file/limavofibapajudugaji.pdfIn PDF document text
- https://www.soroptimist.be/oldsite/intranet/ckeditor/ckfinder/userfiles/images/files/92648019521.pdfIn PDF document text
- http://platypusspot.org/uploads/ckfinder/userfiles/files/losatesideposinubonajobo.pdfIn PDF document text
- http://prvugkh.ru/uploads/files/kemaluduselapulap.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=iphone+recovery+mode+fixPDF link annotation
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/61f52687cfbfd8c5b113c2d819722dbc/jamemesenekapaw.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_off0000fc67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC67 | 18632 bytes |
SHA-256: 12940128e62229b9d021fb05ceae751a3c63deceadefd87a5d33f5c3c6044285 |
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font_01_sfnt_off00012c7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C7D | 10644 bytes |
SHA-256: 1782f950b87a48d25e96ec6737916f76cff2e457c2cf2f221e6e60222bada248 |
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font_02_sfnt_off000144a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144A6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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