MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains multiple heuristics indicating malicious intent, including ML classification, security bypass instructions, and a lure for password-protected archives. The embedded URLs point to potentially compromised hosting and redirectors, suggesting a download or phishing attempt. ClamAV also detected this file as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 9
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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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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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://irlanc.ru/uplcv?utm_term=windows+7+professional+32+bit+loader
- https://yptea.com/data/fckeditor/files/5584891559.pdf
- https://gruntbudowa.pl/files/file/zukuki.pdf
- https://www.mnogotrop.com/ckfinder/userfiles/files/57272569948.pdf
- https://nikolsbeauty.com/webroot/f/uploads/file/19029920389.pdf
- https://rpdev.org/ckfinder/userfiles/files/sawililofegonakuzotifinox.pdf
- https://drivetripper.com/userfiles2020/files/51737311753.pdf
- http://ekorepetycje.eu/Upload/file/kawuzobewew.pdf
- http://ccsilver.kr/files/fckeditor/file/922631694613034511cebc.pdf
- https://facades-et-traditions.com/actualites/file/kufewajuvaniji.pdf
- http://highlevel.pl/userfiles/file/notobaruviwovojimozaki.pdf
- https://fa-vietnam.com/webroot/img/files/60904106849.pdf
- http://pcccmiennam.com/media/ftp/file/fulilagawedowoloxusoku.pdf
- http://eko-inwest.eu/upload/file/39587168129.pdf
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/mljmme9qu2rbctqb930acord54/79586316065.pdf
- http://gwtcs.org/Content/uploads/files/lagotuko.pdf
- https://rmp-traueranzeigen.de/cms/files/gibugususutitomizemol.pdf
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d24999f237---69798990739.pdf
- http://nawoo.net/userData/board/file/61762895233.pdf
- http://congtrinhnhaviet.vn/upload/files/taruketazerugerab.pdf
- https://vettercycles.ch/userfiles/files/goxovebagoduwixatogek.pdf
- http://thermogroup.ru/uploads/files/govotilebugilozalonepigef.pdf
- https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161403205430d7---35361430332.pdf
- http://castel.lu/userfiles/files/77082494607.pdf
- https://www.opsclown.it/ckfinder/userfiles/files/rubimuxeduzumize.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_off0000d6ee.bin00b8c6395e137bbba8605e3b09a18453590f38fc35755cb2b2f49bacf4c495d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6EE | 18508 bytes |
font_01_sfnt_off0001070a.bin8c164118ecb427c4b86543ff8bce6128d0d373c1a3a05c41bfaf335e2e503eca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1070A | 11052 bytes |
font_02_sfnt_off000120d0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120D0 | 16792 bytes |
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