MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ClamAV and an ML classifier, and exhibits characteristics of a link farm. Multiple heuristics indicate the PDF contains numerous external URIs and links pointing to disposable hosting or compromised CMS upload directories. The embedded URLs suggest a phishing or malware distribution scheme, likely involving the download of further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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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://www.elshandmadedesign.nl/ckfinder/userfiles/files/rokodepozuxizomixidawa.pdf In PDF document text
- http://files.ibiza-ferien.de/file/17052671089.pdfIn PDF document text
- http://trieuduong.com/images/Download/wegavekakiwa.pdfIn PDF document text
- http://xn--e42bt3l.net/upfile/files/venaparitagilogukisag.pdfIn PDF document text
- http://sl-light.ru/design/img/upload/file/pikuxipaxawu.pdfIn PDF document text
- http://polyacer-ecp.com/userfiles/files/20210904_091754.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/28668f1cdbc6f3038e02535e9f29cccf/60771588638.pdfIn PDF document text
- http://apisicul.com/userfiles/files/5353041944.pdfIn PDF document text
- http://vinhhangvien.com/upload/files/30899737413.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/dp8ro76v0ka9daaufqud0b55v2/saxumofenigemadur.pdfIn PDF document text
- https://pacpartner.net/images_client/imagesfile/walutogimiripiwizukusix.pdfIn PDF document text
- http://rfaaa.com/UploadFile/file/20210908182358179.pdfIn PDF document text
- http://kiavysocina.cz/UserFiles/File/45973444497.pdfIn PDF document text
- http://belovosushi.ru/files/gopiralogut.pdfIn PDF document text
- http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/n9tchgo17d3do9bers186l11dd/pakixetigujiditibawalife.pdfIn PDF document text
- http://caminodesantiagoenmoto.com/assets/ckfinder/core/connector/php/uploads/files/84371579688.pdfIn PDF document text
- http://garderoba.sk/images/_file/92930435913.pdfIn PDF document text
- http://rtm-plus.com/ckfinder/userfiles/files/29104153088.pdfIn PDF document text
- https://pointwebhost.com/calisma2/files/uploads/40750980129.pdfIn PDF document text
- http://77owship.netsociality.com/upload/files/7899553343.pdfIn PDF document text
- https://vmwarts.com/ecovic/file/64599907448.pdfIn PDF document text
- http://www.scsk12.org/policy/files/files/miravelugojorirutetunewoz.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16136d3ad42b8c---fufuwegorivikodusojorute.pdfIn PDF document text
- http://donovaly-ubytovanie-safran.sk/web/userfiles/file/nejidem.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=get+rich+mod+apkPDF 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_off0000b91d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB91D | 10592 bytes |
SHA-256: d5cdc34c3e33832c0564447b1813465f609b7324bf9946a81a55b9e3bdf4cd84 |
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font_01_sfnt_off0000d157.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD157 | 16668 bytes |
SHA-256: a7e762a75f6b234b01064e619b53571983cc37a9321d45f4f5c209e2f97160da |
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font_02_sfnt_off0000fc67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC67 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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