MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript, which is likely used to redirect the user to external URLs. The presence of a link farm on compromised CMS upload storage and disposable hosting further supports a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://cructi.ru/uplcv?utm_term=how+to+create+a+private+photo+album+on+android PDF link annotation
- https://anandalaya.in/resources/file/58411742654.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/6c35b697e4356149a05f990a436a40fa/76744895352.pdfIn PDF document text
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142ee78702a7---fatedebowesizu.pdfIn PDF document text
- http://chroscina.com/userfiles/file/50377285659.pdfIn PDF document text
- http://sangiorgioautoservizi.com/userfiles/files/21532707841.pdfIn PDF document text
- https://novinfasteners.com/userfiles/file/63498725221.pdfIn PDF document text
- http://studioarchperissinotto.eu/userfiles/files/tivasuvinax.pdfIn PDF document text
- https://ataru.site/js/ckfinder/userfiles/files/fipuviva.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613744f4a2517---92850232751.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16130e095bdd74---11759541975.pdfIn PDF document text
- http://primethailand.com/ckfinder/userfiles/files/82579844242.pdfIn PDF document text
- https://holocaustresearch.pl/nowy/photo/file/mikonup.pdfIn PDF document text
- http://quranday.org/userfiles/file/50850491447.pdfIn PDF document text
- https://allcondosales.rodeodrivecondosale.com/userfiles/files/31984140189.pdfIn PDF document text
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/7a980b1951d712c2d21fc771e9ad4bb6/folerodapasape.pdfIn PDF document text
- http://ingatlantv.tv/userfiles/files/mivinuwezoxises.pdfIn PDF document text
- http://mentor-tutor.com/newGroserLikeProject/uploads/files/toninimadiwadab.pdfIn PDF document text
- http://np-laser.com/upload_fck/file/2021-9-13/20210913173713314219.pdfIn PDF document text
- https://egyiksem.hu/uploads/file/50191161796.pdfIn PDF document text
- http://cluster006.ovh.net/~greeters/namur/ckfinder/userfiles/files/15211849471.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_off0000ceb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEB4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e6cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6CB | 10996 bytes |
SHA-256: 8076dd5007edf8d21c8fa3c385792c3cbb465381a8a13bd6c6949f9615e34e0d |
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font_02_sfnt_off0000ffd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFD7 | 17324 bytes |
SHA-256: 2635bb11b904bbb4378afa432cb6742fc22631623faf1cf21ee3926691dbf9a0 |
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