MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document exhibits multiple high-risk indicators, including a remote support tool lure and a high ML classifier score, strongly suggesting malicious intent. The presence of numerous external URIs, many pointing to PDF files on disposable hosting, indicates a link farm designed to distribute malware. Although no scripts were directly extracted, the overall structure and heuristic firings point to a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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://selispin.net/calisma2/files/uploads/sipamefivupuj.pdf In PDF document text
- http://actinq.nl/upload/file/risavo.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/7ovk8l7km5knj0ohv65e1n33oq/niwudowu.pdfIn PDF document text
- https://samsungdvmklima.com/upload/ckfinder/files/vununufaz.pdfIn PDF document text
- https://ewt.cz/res/file/5162968866.pdfIn PDF document text
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614147a158dc4---jitosapulolozabeloxalejo.pdfIn PDF document text
- https://ltssinternational.com/res/wysiwyg/file/nitapetedewawagatipukuj.pdfIn PDF document text
- http://discus-rus.ru/upl/file/vimoxufineribezapo.pdfIn PDF document text
- https://testpensija.bankai.lv/ckfinder/userfiles/files/mepijategifo.pdfIn PDF document text
- https://olterus.com/contents/files/73336107304.pdfIn PDF document text
- https://rdsdealers.com/ckfinder/userfiles/files/94606590999.pdfIn PDF document text
- http://gameometria.com/assets/ckfinder/core/connector/php/uploads/files/57222074876.pdfIn PDF document text
- http://www.museopizarra.com/ckfinder/userfiles/files/34797443887.pdfIn PDF document text
- http://gymostrov.eu/gymostrov/userfiles/file/mekupobalaga.pdfIn PDF document text
- http://allgeology.ru/ckfinder/userfiles/files/97111586476.pdfIn PDF document text
- https://computerzone.pk/file/gabofuvepul.pdfIn PDF document text
- http://rebeccaosborne.com/uploads/wukegisil.pdfIn PDF document text
- https://inks.bg/userfiles/file/dusite.pdfIn PDF document text
- http://gpba.ge/admin/ckeditor/ckfinder/userfiles/files/xejeva.pdfIn PDF document text
- http://josquin-capella.de/download/20182696079.pdfIn PDF document text
- http://riph.pl/userfiles/file/tavenidud.pdfIn PDF document text
- https://nhanloc.net/userfiles/file/28193415519.pdfIn PDF document text
- https://superpart.com/files/70270903111.pdfIn PDF document text
- http://thuephotocopytaihanoi.com/upload/files/rajipulaxenobilegafonexad.pdfIn PDF document text
- http://hoinhikhoavn.com/img/files/14022473028.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=hamachi+android+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_off0000dbe2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBE2 | 10420 bytes |
SHA-256: 98fe9d6bcee8e280a3385147cacea26dc197bf24a5a5cfef9c7373610e328a9d |
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font_01_sfnt_off0000f32c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF32C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010b3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B3E | 19432 bytes |
SHA-256: 3774586dbead3d3c2dfddc86649a6a71daa70aa2fedc6fdeb2820f2106f7f548 |
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