MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised WordPress sites. These links likely serve as lures for phishing attacks or to distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/16071ccfb72d7d---giludoza.pdf In PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae8158f9a8---lufipotomufu.pdfIn PDF document text
- https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/ef16d4208779dd3c26465828bc89aaf6/94779302245.pdfIn PDF document text
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607be70c3fe5b---gabewet.pdfIn PDF document text
- http://mai-colle.jp/userfiles/file/webivapojumakafizolonu.pdfIn PDF document text
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/6jife5gd9ank7lim2vr76rq204/81574511462.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609e288d2dd70---vomiwetujagupiximu.pdfIn PDF document text
- http://tragiaocolamsapa.com/userfiles/image/file/43349962948.pdfIn PDF document text
- http://fittbike.hu/files/file/jinukonepigiziguxeba.pdfIn PDF document text
- http://ricarda-allegra.de/userfiles/file/4376520704.pdfIn PDF document text
- http://brmhn.com/userfiles/file/20210514102231_ai59c0.pdfIn PDF document text
- https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/10pmr68pvptr93lokgduls01a1/89113296829.pdfIn PDF document text
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/p18ub5bt66v7qdm20lcq6qbkig/mivekugipije.pdfIn PDF document text
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ad84a24011---58060446099.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/301d363cfd63d0f025d0fc59eb5bc950/97021372148.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606dfee490c9c---63147270141.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=best+apps+to+make+comic+stripsPDF 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_off0000e12c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE12C | 17740 bytes |
SHA-256: 1351c59eb564e17757aef839d572324ac0bad00d3bfea9805ffa8220d8d0f891 |
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font_01_sfnt_off00010ffa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FFA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012811.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12811 | 10532 bytes |
SHA-256: b2a788b618d4a8df7d4df6cc35c8d8437a829c0d2a49e19b6298f9e80039f5ce |
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