MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or malware distribution intent. It contains numerous external links, many pointing to compromised CMS upload directories or disposable hosting, suggesting it's part of a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated, preventing a clear understanding of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://j-line.ca/fck_upload/file/873628784.pdf In PDF document text
- http://cnzhongkui.com/fckeditor/editor/filemanager/connectors/php/uploads/file/032027321462.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a09e51e8020---14221865130.pdfIn PDF document text
- http://oguzlarotomatiksanziman.com/depo/sayfaresim/file/garusugadivuwavunev.pdfIn PDF document text
- http://bulgankhangai.mn/userfiles/files/naramaresotigakodigure.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160dc6dd0ba9c6---gozolarugazikopigesofun.pdfIn PDF document text
- http://bestbelly.org/content/files/files/gidokokesasaxizibijuv.pdfIn PDF document text
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/160700ec370735---92223923911.pdfIn PDF document text
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/2ff32fa348805ed150f005189d158850/vufexeri.pdfIn PDF document text
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/935b1227e115e8f293e537c3a38d3355/vogefozonowaguxej.pdfIn PDF document text
- http://derkwoo.com/upload/editor/files/17408532421.pdfIn PDF document text
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098732547b2d---galuresotejevonojo.pdfIn PDF document text
- http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072815fab68f---jozewavogipe.pdfIn PDF document text
- https://dakotaterritorydevelopment.com/ckfinder/userfiles/files/76952464045.pdfIn PDF document text
- http://sushikyototogo.com/uploads/files/99240629815.pdfIn PDF document text
- http://coffee33.ru/archive/file/kiposunufuxif.pdfIn PDF document text
- http://aeronautike.com/userfiles/file/16274281061.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/8ad9897479fdc91ed678388450f597e2/popogoriv.pdfIn PDF document text
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0b7e1692d---2724974544.pdfIn PDF document text
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/lruse442dbcb6tphffo4ab3lhl/xeruxixanefode.pdfIn PDF document text
- http://www.masozilina.sk/ckfinder/userfiles/files/bojetadumojuzekuputugesu.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/cb8c0c4c8e4b3eee22f7f0953282f2f9/xixesulowilitaxorasirole.pdfIn PDF document text
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/4926d2dfbc83d1e6db68101fe9035cec/20983621363.pdfIn PDF document text
- http://azizolace.cz/images/file/nozasubefebovefojesivezaz.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=the+equalizer+2021PDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f7fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7FA | 17468 bytes |
SHA-256: 9a120639ec15c1d6ed0fb7252f89271e60205a0e2016177d7591c9c2bcf1141f |
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font_01_sfnt_off00012593.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12593 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013daa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DAA | 10276 bytes |
SHA-256: 3a379fda7e92861fd2df21120ae233e2234e20ed869f8f81f923e70acd7f9d83 |
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