MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, which is a common technique for malicious PDFs to redirect users to external sites. The PDF also exhibits characteristics of a link farm on disposable hosting, suggesting an attempt to distribute malicious content or phishing lures. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9803
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://philabc.ru/uplcv?utm_term=business+analyst+interview+questions+and+answers+for+freshers+pdf PDF link annotation
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/0c10ac33ce19aff76878e247fe457cd0/buvelosebogup.pdfIn PDF document text
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a25eeab3166---wulekugedunomimuxugag.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160991da21e863---demogiferifeso.pdfIn PDF document text
- https://bibonatura.hu/ckfinder/userfiles/files/78391127086.pdfIn PDF document text
- https://lastcallslc.com/wp-content/plugins/super-forms/uploads/php/files/a8923efbe13686fa3fabb1f2a0e3012e/40107532000.pdfIn PDF document text
- https://eyetracking.pl/userfiles/file/tibelaf.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a10b4405e4b---nasekikav.pdfIn PDF document text
- http://musclecar-taps.com/js/upload/files/diget.pdfIn PDF document text
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/c759d725594e04422d4ab3acf2a1b9bf/71440402560.pdfIn PDF document text
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083d4b8273c8---nomikakixukazo.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609131c2cb411---xidutijeviragaju.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/tg93jdkiupka2bl559ujjga460/16676468517.pdfIn PDF document text
- https://olterus.org/contents//files/57714784126.pdfIn PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a35cd687595---6923692112.pdfIn PDF document text
- http://espacioschillout.es/images/admin/file/14541901579.pdfIn PDF document text
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/opldr5g1ol4uqvmcll66v8oa34/pedamalobisarapabeze.pdfIn PDF document text
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/d77bfb8ad56dfee58b88335c199dba00/kugonalolapezigupi.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160abd415e538d---lazipigomubowo.pdfIn PDF document text
- http://austral-immo.com/userfiles/files/75793983075.pdfIn PDF document text
- http://statsale.com/data/upload/ck/files/54834660904.pdfIn PDF document text
- http://exmar.it/foto_fck/file/2735274423.pdfIn PDF document text
- https://mzr-avocats.com/buddha/ckfinder/userfiles/files/31445923288.pdfIn PDF document text
- http://beloezoloto.ru/userfiles/file/kiluvanetawasominu.pdfIn PDF document text
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c95b6c8b7d---92644119920.pdfIn PDF document text
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1608f5735bd4ef---pevesegibonowi.pdfIn PDF document text
- http://xlpe.net/Images_upload/files/dagufebun.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_off000127bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127BD | 11160 bytes |
SHA-256: 197124eb8e7e906961741a68a25a7cd9f7a7d33cd315bf52ab7f7b0d76331a3f |
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font_01_sfnt_off000141af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141AF | 16952 bytes |
SHA-256: d53b3db224d1ad3b029f3af41e45586ba898796526b6ad1eee0870438620595c |
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font_02_sfnt_off00016ddd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16DDD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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