MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users. ClamAV detection and ML classification strongly indicate malicious intent, likely to deliver a phishing or malware payload. The presence of multiple external URIs and link farms points towards a tactic of distributing malicious content through a network of compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9780
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 http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c26bc82dfdd---44934871867.pdf In PDF document text
- http://agiusfuneraldirectors.com/files/file/78089428372.pdfIn PDF document text
- http://computer-rudolstadt.de/upload/file/11359520509.pdfIn PDF document text
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/04e2ff3c0066f5deb309542fdf942f86/44827718017.pdfIn PDF document text
- http://alphanaturehk.com/userfiles/file/66503705255.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071a9043d69a---8140440061.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d9a8b8f73f---77223404200.pdfIn PDF document text
- http://aaaexpressheating.com/userfiles/file/50850833402.pdfIn PDF document text
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/31303471c4b400d2fe19ec49d3cf9204/zosixikikulerinevuzu.pdfIn PDF document text
- http://ithaca1960.com/clients/8/87/874e400c25abfb160fd1c0cf9913fcd0/File/worusogosuxasobixakepimag.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c969421d9e0---18752221591.pdfIn PDF document text
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/77b0eb2093f36e64f4195b986db565b0/rajazavulib.pdfIn PDF document text
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/3k9i8ijvfh81t6g6t9bs2f17hg/nagimulerozetir.pdfIn PDF document text
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/009d982b20f285fee439a17e63fe594f/8724044966.pdfIn PDF document text
- http://al-bandak.com/userfiles/file/dijagozofo.pdfIn PDF document text
- https://iqmuseum.mn/uploads/files/ligurilukomekizasozasovu.pdfIn PDF document text
- http://modnyi-buket.ru/uploads/files/zakamepekik.pdfIn PDF document text
- https://deniz-sogutma.org/img/userfiles/file/xejosenubekere.pdfIn PDF document text
- https://aedwea.com/upload/foto/36053353219.pdfIn PDF document text
- https://www.analfissur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2a9696efb---daxuvesagiv.pdfIn PDF document text
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609721b7ec51d---levenoliwevid.pdfIn PDF document text
- https://codecs.roimages/file/98239397044.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/1008a1b00d0de63c2992563a2e7f9920/mesebediv.pdfIn PDF document text
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/7dgq6h97i8db534nsrbn33b1jh/xukajem.pdfIn PDF document text
- http://atomleasing.ru/media/File/kosefosupoxerijevir.pdfIn PDF document text
- http://elijasprojekts.lv/files/file/rinobunonisiboxi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=electronic+devices+electron+flow+versionPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d2c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2C2 | 16496 bytes |
SHA-256: 70e4f29ecdc79601f06075b03d14bd2dbdee931bee96ff91fb4c81baa4339fed |
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font_01_sfnt_off0000fd9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD9A | 10444 bytes |
SHA-256: 263e99460d21e83bd971b7a1bf6d73e5be1569fbb0cc35bc85e5be0a827353ad |
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font_02_sfnt_off00011573.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11573 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off00012d84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D84 | 16648 bytes |
SHA-256: 4111edf2d6fccd02f97d8bebea6ca12ecd4ac029f68791f083bb9c51b51678e6 |
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