MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan threat. It contains a large number of external URIs, many pointing to compromised CMS uploads, suggesting it functions as a link farm. The primary purpose appears to be redirecting users to potentially malicious sites, possibly for SEO manipulation or to host further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a7a5d69d4c---guregozivakajepuwu.pdf In PDF document text
- http://sun-green.be/ckfinder/userfiles/files/64604302552.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609e9c0387d5e---pojebaxiwa.pdfIn PDF document text
- http://hitecds.com/userfiles/file/zalejok.pdfIn PDF document text
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073a7d98756a---8616068194.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/465e0f9b81f9dd57aed2cc0c2d99a8b8/4404421066.pdfIn PDF document text
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/cd6cbc8b167f0ec0b9cc535d2391fb04/59196180391.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160776221830c5---7864219980.pdfIn PDF document text
- http://bscartridge.com/pic/lalizezuno.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/79f2dc5d890e370bc868995933cbfdec/18739142105.pdfIn PDF document text
- https://bouveau-consulting.com/userfiles/file/kilegatuvexukipidiz.pdfIn PDF document text
- http://camera68gialai.com/uplaod/quangtri/files/kovawasobatoderojavojidab.pdfIn PDF document text
- http://3sdent.com/upload/files/51631410026.pdfIn PDF document text
- http://saxonrt.hu/img/userfiles/files/mijibizimogoditulagepemix.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db6fa914c87---rixisu.pdfIn PDF document text
- http://tataservice.it/userfiles/file/bidexivede.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f04c50348c---ritajijorafebefuvafujupo.pdfIn PDF document text
- https://sieompaysdebray.fr/lesiom/txt/imgadmin/file/naxesufemuzinafemapuguba.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1609216008c44d---30915388652.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160768b6d59141---sepowemikaji.pdfIn PDF document text
- https://dgaspcsm.ro/ckfinder/userfiles/files/39479601354.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608e2ec25ef70---87182642869.pdfIn PDF document text
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/n738q8nflgc6p6m1k1eo166k48/finatalofipolevowokobix.pdfIn PDF document text
- https://leganordavigliana.it/uploads/file/28757752413.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=a6+tws+bluetooth+5.0+earphones+manualPDF 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_off0000daad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAAD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f2c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2C4 | 11220 bytes |
SHA-256: ede74fabe01dcce2ebdee58e62b9218c3d36e3fd75cba82fb12fcac5828561f9 |
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font_02_sfnt_off00010cd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CD9 | 22696 bytes |
SHA-256: 7c3b0e9870f2ee29afa1df437adce9e679181351ef8bcb3466d71f8d13e262cb |
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