MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ClamAV and an ML classifier, with heuristics indicating it functions as a link farm on disposable hosting. The PDF contains numerous embedded URLs, suggesting a phishing or social engineering attempt to direct users to malicious content or downloads. While no scripts were extracted, the overall structure and detection indicate a high likelihood of it being used to deliver a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://pre-www.bridge-college.com/uploaded/ckeditor/files/44064307690.pdf In PDF document text
- http://www.fashiongale.ro/userfiles/files/88424085983.pdfIn PDF document text
- https://euronet.stonavka.cz/webpagebuilder/ckfinder/userfiles/files/fipibunipas.pdfIn PDF document text
- https://xtrafitcoaching.com/www/images/files/literelutimatuwo.pdfIn PDF document text
- http://softtox.pl/new/userfiles/file/49306117589.pdfIn PDF document text
- http://emachn.com/data/attachment/file/69985036533.pdfIn PDF document text
- http://quocteanviet.com/img-chamthi/files/38591263719.pdfIn PDF document text
- https://fullhousetourism.com/UploadFiles/file/20210909004630149.pdfIn PDF document text
- https://teater77.nl/userfiles/file/bovit.pdfIn PDF document text
- http://087334211.kad.tw/kads/ckfinder/userfiles/files/12681155065.pdfIn PDF document text
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/6f907e87bb0dc131e16a4ee5b8528441/17800485901.pdfIn PDF document text
- https://nikosdimos.gr/userfiles/file/wabavijarinusuf.pdfIn PDF document text
- http://sanarina-coaching.de/ckfinder/userfiles/files/zakirexezenagali.pdfIn PDF document text
- http://dydlhx.com/upfiles/file///72528746337.pdfIn PDF document text
- http://rurisnet.org/images/file/22753044562.pdfIn PDF document text
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/7fed4b92610b6530ca07915351e3b874/fofiranegoxulokizupimadog.pdfIn PDF document text
- http://xn--80ahcjevtqq.xn--p1ai/ckfinder/userfiles/files/vozifegojopigololamox.pdfIn PDF document text
- http://omonetach.pl/foto/ilustracje/file/45713758526.pdfIn PDF document text
- http://magendans.com/imagefiles/file/30568485912.pdfIn PDF document text
- http://xn--9i1b14l32gg2dsybq3b.com/upload/fckeditor/file/26559333715.pdfIn PDF document text
- http://na3.it/misc/file/15341870350.pdfIn PDF document text
- http://chataphan.com/file_media/file_image/file/soluworubumu.pdfIn PDF document text
- http://auto-rad.pl/userfiles/file/vigegefodadon.pdfIn PDF document text
- https://shreenathtechnologies.com/userfiles/file/21300955845.pdfIn PDF document text
- http://heathrowairporttaxi.website/userfiles/file/jivijokuniseliwubipapi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=android+fastboot+mode+toolPDF 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_off0000d993.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD993 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f1a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1A5 | 17788 bytes |
SHA-256: 0af7462a27d5647dd6706fe0bc1dd07c45aecb76af0fdd9e1beb0caa8b408aa5 |
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font_02_sfnt_off00011fd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FD8 | 10636 bytes |
SHA-256: 0f3c6d7c327bf2bf202376a33d3c6da223d5c951417e91fb954c944feb191795 |
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