MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, pointing to numerous compromised CMS upload locations and disposable hosting sites. These links likely lead to phishing pages or malware downloads, consistent with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/950422dc5cffc4ceeb6708d823b30f11/82124897172.pdf In PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/befdd28947951281c207d9d6649f8db3/dowisusexabu.pdfIn PDF document text
- https://vestol.bg/files/file/gavepedewavig.pdfIn PDF document text
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160af95510e564---fowowibakilajatukiwuza.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c8867682121---85780045251.pdfIn PDF document text
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/2875e00f9a39be04f56896233c1e9c13/38268814455.pdfIn PDF document text
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/bba7df81f611418ef0b2860df1e7cfb3/vilonivorigasategipokor.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a180d0eb41e---xikifulovinefusutevo.pdfIn PDF document text
- https://service-panev.com/userfiles/loboritukudamesidapota.pdfIn PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c090ea1bc8d---suzurapexukeneleluwer.pdfIn PDF document text
- https://imagebeaute.fr/userfiles/file/48851325697.pdfIn PDF document text
- http://ck-tct.ru/userfiles/file/56652057367.pdfIn PDF document text
- https://kopari.hu/files/file/kewukeponeseton.pdfIn PDF document text
- https://biocoils.com/img/file/nagovogelonavir.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608097c68fd04---jobidevakegu.pdfIn PDF document text
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608929a86bfae---warilotinisumuwivoraze.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/502f2be14aa70cdd82cb241f02eb7a90/gugotijegiponavopo.pdfIn PDF document text
- http://consulcongress.it/uploads/assets/file/41967527837.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b853e65b32e---jixutuwuguvegem.pdfPDF link annotation
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607419ffe874a---41188259326.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160b8a0a01d3ec---paxuj.pdfIn PDF document text
- https://ecoretras.com/file/67110567144.pdfIn PDF document text
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/behq7b2lgngehnkg5kesu1jh47/jorujirekiv.pdfIn PDF document text
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d04b3bb0cc---kuwaweki.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=famous+person+from+connecticutPDF 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_off0000fd02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD02 | 17604 bytes |
SHA-256: bcc0f4c4c9340ab6a123a5cdfee3e7de937761e795bedf95609615ce57813559 |
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font_01_sfnt_off00012a51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A51 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014268.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14268 | 10672 bytes |
SHA-256: 668df0857b0d6dd268c8a2ef8dca6fc611bff14066c926f9c911297db861879d |
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