MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains embedded JavaScript and a large number of external URLs, many of which are hosted on compromised WordPress sites or disposable domains, indicating a likely phishing or malware distribution attempt. The presence of JavaScript suggests an attempt to execute malicious code within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://philabc.ru/uplcv?utm_term=happy+wheels+official+site PDF link annotation
- http://gnox.vn/upload/files/vojuwifenilepilaxan.pdfIn PDF document text
- http://xn--12cfu9bc1efac9a9azfdsb7b9d1f0j.net/ckfinder/userfiles/files/dobizewagu.pdfIn PDF document text
- https://afayl.com/userfiles/file/14828940004.pdfIn PDF document text
- http://btsoft.vn/uploads/files/miroraru.pdfIn PDF document text
- http://okeefesreef.com/ckfinder/userfiles/files/15105838262.pdfIn PDF document text
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613c985fc97c4---1164301220.pdfIn PDF document text
- https://joinvita.com/neu/userfiles/file/65084542422.pdfIn PDF document text
- https://fcksa.com/ckfinder/userfiles/files/xulifuwoza.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/fpoql3jg4a7crsmb27qvs4o4a3/xozikuramo.pdfIn PDF document text
- https://granitabrasive.com/editor_up/tiwerozoxot.pdfIn PDF document text
- https://nothingbutsafetyglasses.com/userfiles/file/74623800400.pdfIn PDF document text
- https://auto826.vnpec.xyz/uploads/files/84894686711.pdfIn PDF document text
- https://bold-iot.com/uploads/files/202109091250439301.pdfIn PDF document text
- http://www.llmhospital.com/www/js/ckfinder/userfiles/files/66898065027.pdfIn PDF document text
- http://a1-automotivegroup.com/upload/files/tavibubefanedisagu.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/23a221475fcc8883fb2a4801b8dafbf4/jewusine.pdfIn PDF document text
- https://shevtsov-art.com/uploads/files/sososokir.pdfIn PDF document text
- https://cosonnguyenthanh.vn/webroot/userfiles/files/vivukufej.pdfIn PDF document text
- http://makinsushi.com/uploads/files/gidijitinaf.pdfIn PDF document text
- http://quetthe.com/upload/files/jarajar.pdfIn PDF document text
- http://space-edge.com/upload/files/kofuvidagaruxafeli.pdfIn PDF document text
- http://teormech.ru/teormech/usrimg/file/pipazew.pdfIn PDF document text
- 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_off0000e408.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE408 | 10564 bytes |
SHA-256: 402c2d352a7a62017a82ad686be5e7f2a34454700e1d2d166d4c0b5a6fc0a428 |
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font_01_sfnt_off0000fc55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC55 | 17884 bytes |
SHA-256: 1977a165059e859d64a6a6f231c1fde5b95073198a8ff10828df957c3b652632 |
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font_02_sfnt_off00012a79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A79 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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