MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as a phishing trojan. It contains numerous links, many pointing to compromised CMS upload storage or disposable hosting, suggesting it functions as a link farm to lure users to malicious content. The presence of multiple external URIs and the 'link farm' heuristic strongly indicate a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://receptabc.hu/images_banner/files/86253933660.pdf
- http://chronocertif.com/userfiles/file/wibesesefilaranote.pdf
- https://peoplesmodelinternational.com/ckfinder/userfiles/files/latisebaxumaxurugi.pdf
- http://colafranceschi.it/userfiles/files/jupinifazab.pdf
- https://oddluzanie.net/userfiles/file/74605707451.pdf
- http://sinostandards.net/upload/files/79348367488.pdf
- https://maria-galland.ru/files/file/kafadixuwowameli.pdf
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e74359578b---30354070470.pdf
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/16130113e3d603---nelibixalewiwerax.pdf
- https://ehbo-oostkapelle.nl/userfiles/file/17155512200.pdf
- https://www.prshots.com/ckfinder/userfiles/files/jatax.pdf
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16131d4accf793---77790958682.pdf
- https://saksisan.com/upload/ckfinder/files/vafume.pdf
- http://alhambra.kopanramen.com/uploads/files/7549324726.pdf
- https://pmsp-me.com/userfiles/files/rixizukuduwaxazizovojodi.pdf
- http://guowangcable.com/d/files/81608270974.pdf
- https://dpengineerindia.com/admin/userfiles/file/76640695412.pdf
- https://karinbentum.nl/uploads/file/73471271161.pdf
- https://thokhoavietnam.com/upload/files/ladoturupopiseles.pdf
- http://lagrupacio.cat/file/78691663269.pdf
- http://futimisdev.com/userfiles/file/rejuzovapijivesatosub.pdf
- https://aymexco.eu/ckfinder/userfiles/files/bakobarezotariru.pdf
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/ref52ug3k8l05dijqtn847h7h1/vudanuwojudawologivupefit.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=bekaboo+web+series+watch+online
- 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_off0000df74.bin6aa1a47d8d4dc5aa567b7a220aa5c66128a04dd29b16daf807907ebe04f6ec65 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF74 | 18168 bytes |
font_01_sfnt_off00010ec3.binfdbc8688b0ece124534ef8ec4a2256979091f748e81f927fb41e2a7f44ab3b4b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EC3 | 10696 bytes |
font_02_sfnt_off0001275d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1275D | 16792 bytes |
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