MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many hosted on compromised WordPress sites, suggesting a phishing or link-farming attack. The presence of external URIs and link farms indicates an attempt to redirect users to malicious content or gather information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://archism.ru/uplcv?utm_term=mvc+vs+mvvm+android PDF link annotation
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148585d44e80---38837927369.pdfIn PDF document text
- http://mnogonomerov.ru/uploads/file/70151742671.pdfIn PDF document text
- http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/55308067486.pdfIn PDF document text
- https://vas-vill.hu/userfiles/file/90233596847.pdfIn PDF document text
- http://hkwwta.org/userfiles/xoralavizurewasakalepupek.pdfIn PDF document text
- http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/70668814532.pdfIn PDF document text
- http://rigdrilling.org/userfiles/file/lefizav.pdfIn PDF document text
- http://wksx.top/images/userfiles/file/89060314493.pdfIn PDF document text
- https://zoorichi.com/temp/fckeditor/file/moxegifufukujixujof.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613dfb6fab77a---34854128015.pdfIn PDF document text
- http://ultraljud.nu/bild/files/sirojolesiguw.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/f8c40447ac36568b9c5a422f5fb67c0b/dexumijipana.pdfIn PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613cf01a1959c---xedatolemunibezizokosir.pdfIn PDF document text
- http://tvkinter.com/file_media/file_image/file/88394333350.pdfIn PDF document text
- http://sourceandsecure.com/uploads/userfiles/file/regawalivodovizofur.pdfIn PDF document text
- http://thrifthelp.com/flash/thrifthelp.com/file/tajatoleme.pdfIn PDF document text
- https://ustunbilgisayar.com/userfiles/files/45709980781.pdfIn PDF document text
- https://olgunbey.com/upload/ckfinder/files/xukanato.pdfIn PDF document text
- http://lnianemarzenie.pl/userfiles/file/sumumamape.pdfIn PDF document text
- http://xn----7sbab1bcaqplb0ccyi9d.xn--p1ai/files/file/zisipuwugi.pdfIn PDF document text
- http://reopen911.info/media/file/67869550372.pdfIn PDF document text
- http://studiolorenzoni.eu/userfiles/files/50312577013.pdfIn PDF document text
- http://someteme.com/archivos/_20210923101944.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_off0000c091.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC091 | 16492 bytes |
SHA-256: 2024216ac04fd03e0de78ed0356a1266848134c56547a6a7bb2c3e63d705b4f0 |
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font_01_sfnt_off0000eb23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB23 | 10312 bytes |
SHA-256: ef0f2d723ada1581d2f2f2326b8a7480eb7824003c2b6d68b0a69ad17933c042 |
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font_02_sfnt_off00010258.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10258 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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