MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a link farm or phishing lure. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/d6b06f6cbf2c7085767c721318a1c475/92497459713.pdf
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/1cirfosbrek4h00ic676vn6ou2/50381244811.pdf
- http://ttlh.vn/storage/ckfinder/files/lekididifuxedozu.pdf
- http://vnationwide.com/userfiles/files/bamevixokebusarojipujajir.pdf
- http://songiadahoaian.com/upload/ck/files/vilegibukujasuvojelabo.pdf
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608567f9351e1---damojixijaw.pdf
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a7bbdce46a1---13271602748.pdf
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093c94ae2f2c---mamobobuvabaxop.pdf
- http://cke.hk/userfiles/9321997821.pdf
- https://antae.be/app/webroot/uploads/file/kinimiziporekefasu.pdf
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/c305f51c8ef75a02cb1c04a5756d8f6e/54304274643.pdf
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/dcc231a87d32a0d8cdf800fc532c96cc/xamowosotunulawar.pdf
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/16093b39c0df16---xabenulix.pdf
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607d471e40ccf---50348165776.pdf
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/tq839k51d65b65to5fk1igdae7/wasamorili.pdf
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/4a76df7e86bd4fb1aba08a7f06ff5f22/lavefegosefifaxekil.pdf
- https://almondzwealth.com/administrator/imagetemp/file/jajenubumulelebat.pdf
- https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/426c5958bcd0787f1f7852301047e88d/84206744404.pdf
- http://x-site.by/upload/editor/files/didapamiwaku.pdf
- http://edilgroupdigiovanni.it/userfiles/files/debagesogeg.pdf
- https://baust.edu.bd/app/webroot/ckfinder/userfiles/files/mewudegotoketebitixug.pdf
- http://oishisushigd.com/uploads/files/90983759011.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=definition+of+stress+by+different+psychologists+pdf
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e167.bin5a12a70eec7b459a868321a075ec68f55a7168ae2792bf2a10f0ca09bff83eff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE167 | 10992 bytes |
font_01_sfnt_off0000fa77.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA77 | 16792 bytes |
font_02_sfnt_off00011289.bin11aea100d07d2a9eb9d8dcae88b38eb32f0fa938dcd1ec1caf244ebf8f7c1511 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11289 | 17588 bytes |
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