MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing lure. It functions as a link farm, directing users to various compromised WordPress sites, likely to distribute further malware or facilitate phishing attacks. The presence of multiple external URIs and link farm heuristics strongly suggests a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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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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://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160802687815c5---wasagixi.pdf In PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160867512ba42a---lefituguvanewokegibowu.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607298681cceb---12390774867.pdfIn PDF document text
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/7ktparnha127b9bhgi4n58nifm/xapejifekanubej.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/oj26elr06nn52sglhmugmjdrl9/84535533277.pdfIn PDF document text
- http://adveotec.com/img/file/64186852821.pdfIn PDF document text
- https://aftaplan.com/works/peepsparty/html/upload_files/file/nuzufabulenofoko.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/d41bf61dec42d6bc70a12f85d1b3d612/9802805938.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083d4a429c3e---5133566964.pdfIn PDF document text
- http://usaoxin.com/userfiles/2021-5/file/38554688668.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607973c17b92c---nunufowafod.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/dfb3f1468e54cd694c0d8ea2bbc89aec/42165932992.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072f567891ad---jasaridejarul.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=corel+draw+x5+64+bit+full+crackPDF 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://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d3ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3CE | 4092 bytes |
SHA-256: a968b7f9a591b156bb19dcdcb6c09ee7d2fc3a3ac8cfb0a09a1798b1bde80554 |
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font_01_sfnt_off0000e24b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE24B | 5472 bytes |
SHA-256: 7a783895f6109f50eb8f62bca261b2f5d613aeff48dd39c344d00cbb72ada288 |
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font_02_sfnt_off0000f514.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF514 | 17576 bytes |
SHA-256: f7adb95352bb5bc7dc7bf57355e7aaeb415e2c1caa9e770edccbf4fdc5120aab |
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font_03_sfnt_off000125b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125B2 | 16676 bytes |
SHA-256: 30974a353864bccb803460606793bd34610279a8b1437f7efba6d5fa890df3f3 |
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