MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to exploit vulnerabilities or redirect users to malicious sites. The presence of a link farm pointing to multiple potentially compromised WordPress upload directories and other disposable hosting further supports a malicious intent, likely to distribute malware or phish for credentials. The ClamAV detection as 'Pdf.Phishing.Trojan' strongly indicates malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9910
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 http://infrabud.eu/fckpliki/file/82532549056.pdf
- http://ahlhy.com/uploads/file/291632528001.pdf
- http://sakuragiramenandsushi.com/uploads/files/sigujoputilo.pdf
- https://edubox.mn/uploads/users/0/files/woxaniruza.pdf
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/4nq6ct88kka7396f6sl3mrunie/kezumiro.pdf
- http://wadirumshootingstars.com/userfiles/file///52283064906.pdf
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/b0afb149908049a0f126f6fc9e530d6f/89458920329.pdf
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/0e7e1cc81f5fc03d9c4f113eb7d12ccf/90250646912.pdf
- https://culturasiapamplona.com/guiarte_userfiles/files/ramejozigurito.pdf
- https://stef-nancy.fr/upload/document/mubenoxitavaruxejinebelun.pdf
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609c2677b9997---motomolepafazujan.pdf
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088ec639a493---86508248893.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071a70895d5e---bovopukokanaxowaxig.pdf
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/238fbd6ba25eb4f79ebf97d6aa5e6bb0/zagerabatofevaj.pdf
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd928e61c2c---pojoxowasi.pdf
- http://sklepjola.pl/userfiles/file/rujaru.pdf
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b559518a523---vinutixoj.pdf
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160853d1e5f840---ramibol.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/3db95d808ff082e101cb14f78d28a4b6/gemuzadar.pdf
- https://birgatour.mn/js/ckfinder/userfiles/files/31781034493.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607314ec7729f---jimujejo.pdf
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/258e9608713265fa8aac8efaa1a5dd83/suvik.pdf
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/dd6d591bb058bbee6d2ca0b24d48dee5/82730526334.pdf
- https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/r9193pbj07ki2uoroa8fmq2k92/73224449596.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd57d2b030d---dilovejuwowuniwapoxedalo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=five+nights+at+freddy%27s+2+free+download+pc
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ff41.bin0d701172f75a99d3613821fcca40eca4a0d6c08317ada6580cc6ac83e7a80292 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF41 | 17208 bytes |
font_01_sfnt_off00012c23.bin45647295bf3e6975917d2c46c854a2f040b6d2f4fa9dfc4d8f9276b78401693b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C23 | 16396 bytes |
font_02_sfnt_off00014256.bin6599e31e1c10e138d34a2e2a10319c3472171916c7b9fe31097d1085825ea912 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14256 | 11296 bytes |
font_03_sfnt_off00015cc6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15CC6 | 16792 bytes |
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