MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The PDF file was flagged by ML classifiers and ClamAV as malicious. Heuristics indicate it functions as a link farm, pointing to multiple distinct hosts, some of which are hosted on compromised CMS upload storage. The presence of numerous unknown URLs suggests a phishing or malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://grupopiscis.com/upload/files/85435089357.pdf In PDF document text
- https://smilaxlabs.com/userfiles/files/repunudotamufida.pdfIn PDF document text
- http://burragebrothers.org/demo/jolie/beta/userfiles/files/sedizexolomugukagekaxuz.pdfIn PDF document text
- http://bagliodeimille.it/userfiles/files/19920455989.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/41cc4b50e776f02d8eefdb5b7f388ac3/davagosezono.pdfIn PDF document text
- http://webspace.mysdam.net/images/newsletter/files/mananude.pdfIn PDF document text
- https://ubranni.com/uploader/files/purulujilevawewipaji.pdfIn PDF document text
- http://ttmm.co.jp/ckfinder/userfiles/files/73502881251.pdfIn PDF document text
- http://roberlo.cz/www/files/file/94825660372.pdfIn PDF document text
- https://noihoithanhtuan.com/media/ftp/file/42618617328.pdfIn PDF document text
- http://luisacortesearchitetto.it/userfiles/files/47801957660.pdfIn PDF document text
- https://mimpishio.com/contents/files/xivogupifij.pdfIn PDF document text
- https://clearpatth.com/userfiles/file/regeboni.pdfIn PDF document text
- https://maxlinder.com/admin/assets/ckfinder/userfiles/files/60601325627.pdfIn PDF document text
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/1fd82ba042881af160a83048baae71bb/86664078063.pdfIn PDF document text
- http://rspon.pl/images/wyswig_images/file/47263622249.pdfIn PDF document text
- https://consultemergingmarkets.cubsindia.com/files/32765393632.pdfIn PDF document text
- https://emenu.hu/editor_up/79417677172.pdfIn PDF document text
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614f1d7ad80cb---volorutupefeboma.pdfIn PDF document text
- https://peintures-descours.fr/fichier/files/49863202771.pdfIn PDF document text
- https://plantbiochem.com/ckfinder/userfiles/files/59598261225.pdfIn PDF document text
- https://montpellier-business-plan.com/mbp/upload/images/images/upload/ckfinder/pesipap.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=quadratic+equation+calculator+with+graphPDF 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_off0000acc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACC3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c4d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4D5 | 15856 bytes |
SHA-256: dd2199646515af5176b7b0f45197aecd4d09ca0931050caa3437006f5195a42c |
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font_02_sfnt_off0000ed0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED0B | 11016 bytes |
SHA-256: 91739aae602400ebd9ad9e01ef4de96d2fc04d5ba8f81ccb2d133dd8aa262f88 |
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