MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with numerous URLs pointing to potentially compromised or disposable hosting. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of many external links strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://ciar.vn/uploads/image/files/53310667888.pdf In PDF document text
- https://croatia-flyfishing.com/files/gabebefizelokibos.pdfIn PDF document text
- https://garnizone.com/userfiles/file/pobulonufilolelafafer.pdfIn PDF document text
- https://grnca.org/img/files/files/vejiromasemagemufuxepolax.pdfIn PDF document text
- http://oodow.cn/upload/file/210913024711468699p5t62nn8by78.pdfIn PDF document text
- http://0932018255.kad.tw/kads/ckfinder/userfiles/files/44098628358.pdfIn PDF document text
- https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/263606cfa4355171486999bae7b634f2/rezorapizewatijilune.pdfIn PDF document text
- http://babyshelter.net/assets/upload/files/felaxonenibaxek.pdfIn PDF document text
- https://wct.goldcrownresort.com/magazine_files/files/koxoxuzurofep.pdfIn PDF document text
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614b0e7c542fc---99380179101.pdfIn PDF document text
- http://asavn.vn/uploads/userfiles/files/mufivarovobomu.pdfIn PDF document text
- http://saveondealz.com/ckeditor/ckfinder/core/connector/php/uploads/files/tifapur.pdfIn PDF document text
- https://gesema.com/UserFiles/file/13308470638.pdfIn PDF document text
- http://www.verneteco.com/ckfinder/userfiles/files/fikimenujefifuwolida.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16151348f4090a---86394843876.pdfIn PDF document text
- https://weborder.cloud/userfiles/file///44797036812.pdfIn PDF document text
- http://avandcie-energy.com/ckfinder/userfiles/files/25413315608.pdfIn PDF document text
- http://abwpetersburg.com/uploads/files/sulegabiner.pdfIn PDF document text
- https://noithathoaphat11.com/upload/files/5009323432.pdfIn PDF document text
- http://vkts.se/userfiles/file/77355112532.pdfIn PDF document text
- http://chinahongji.com/d/files/10027985587.pdfIn PDF document text
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146021e58d4c---xamifejal.pdfIn PDF document text
- http://www.otevrenysklep.cz/ckfinder/userfiles/files/27442128938.pdfIn PDF document text
- http://cattaneoarchitetti.it/userfiles/files/31929585086.pdfIn PDF document text
- https://hoangvan.vn/wp-content/uploads/files/47300310458.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+draw+two+hands+holdingPDF 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_off0000b2f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2F5 | 10472 bytes |
SHA-256: 9c2f0d6598652ee2a88b7cc10e8e2a16e32ba050e1050ce0a25f21b37e2ed8bb |
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font_01_sfnt_off0000ca67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA67 | 17040 bytes |
SHA-256: 9dc932bbc974d469c1de15e33825c58e39df455991bf34ee346308e3022a6c43 |
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font_02_sfnt_off0000f6bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6BC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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