MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which are hosted on disposable domains or compromised websites. This indicates the file is likely part of a phishing or spam campaign, attempting to redirect users to malicious content. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://wastran.ru/uplcv?utm_term=android+email+s+mime+support PDF link annotation
- http://titibbs.xyz/js/ckfinder/userfiles/files/lofuwiremosapi.pdfIn PDF document text
- http://rebeccaosborne.com/uploads/xiboga.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/161425f7dea5ce---loxikosigotogozunez.pdfIn PDF document text
- https://marjoyunlar.com/calisma2/files/uploads/zujonizafuvijepodoruvi.pdfIn PDF document text
- http://aolisenjiancai.com/data/files/febomepet.pdfIn PDF document text
- http://davidhammerstein.org/userfiles/file/45542019445.pdfIn PDF document text
- https://leganordavigliana.com/uploads/file/79911653087.pdfIn PDF document text
- https://nolimitscenter.be/peausitive/images/FCKeditor/file/vivurunodel.pdfIn PDF document text
- http://galantemontagnana.it/ckfinder/userfiles/files/jodegaranufisakafesivi.pdfIn PDF document text
- http://disonde.com/filespath/files/20210907193626.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/5ff10c42de46a1d888cf681daf2604ac/lugirakonezolodubezudux.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161448bd7e78ef---rerogitirubemobepad.pdfIn PDF document text
- https://aspit.ro/imagini_ws/91793495095.pdfIn PDF document text
- http://ecohort.com/userfiles/files/koserilevuzoxena.pdfIn PDF document text
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef1f1b7902---41702991523.pdfIn PDF document text
- http://hhoasis.org/app/webroot/img/fck/file/79061424984.pdfIn PDF document text
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133b4aa07257---gazezofuk.pdfIn PDF document text
- http://nature-revive.org/files/file/zixus.pdfIn PDF document text
- http://liily.jp/upload/file/20210920164910.pdfIn PDF document text
- http://am-assets.com/aom/magnolia/userfiles/file/vivakibenag.pdfIn PDF document text
- https://repairbase.net/FCKeditor/editor/filemanager/connectors/php/images/file/10666377492.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_off0000af49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF49 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c75b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC75B | 17360 bytes |
SHA-256: dd928c1f77a91c5b5444e1bb9ca52e6f464d6ba236f1655c3cdec2774057c710 |
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font_02_sfnt_off0000f3db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3DB | 10636 bytes |
SHA-256: a63b0c2e3b4124d54c488dd42e44012afe0b9252030168d4d5ab12580ed3cd6a |
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