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 high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS upload directories or disposable hosting, suggesting a phishing or malware distribution scheme. No scripts were extracted from this sample, but the structure and URL patterns are consistent with a malicious document designed to redirect users to harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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 http://soldearenales.com/galeria/files/63925235123.pdf
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9f03ee523---rijax.pdf
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1608bc4210e17c---24918331366.pdf
- https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/df509b2cd07831ab4e553936ab78fea2/34145768734.pdf
- http://jjinline.org/file_upload/file/dironuje.pdf
- https://ildiko-szepsegszalon.hu/userfiles/file/66570893466.pdf
- https://noddy.nu/images/file/sesudukadejagapesuze.pdf
- http://cezanart.com/userfiles/file/mojexizudixepoderapefajig.pdf
- http://degrossier.nl/uploads/file/vabilomazen.pdf
- http://coreaad.com/DreamDataUpload/file/80834152981.pdf
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c4fa192a8cf---weralidefowunupajuxi.pdf
- http://abaj.cz/UserFiles/File/kopizemorulupadozowe.pdf
- http://krevue.cz/UserFiles/File/40048838876.pdf
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160715871822b5---bajigurolubobojopox.pdf
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160940c10540b9---vonirir.pdf
- http://fixmyhelicopter.com/project-new/christianbook/upload_images/file/58374222464.pdf
- http://haiphongcontest.com/images/files/29067004836.pdf
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8ef33aac6f---jepas.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/4f0b59cf70d74ed8890f8a62047dada5/2641173829.pdf
- http://matstravel.ru/userfiles/file/44452140509.pdf
- http://castrolmintabolt.hu/images/upload/file/lanavefebewinubonozeduxuj.pdf
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/e79458d1fdb9ae6e311ca10af72920ad/40573200187.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=speech+about+my+aim+in+life
- 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_off0000e59b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE59B | 16792 bytes |
font_01_sfnt_off0000fdb2.binc74a7a61e56d897c59c18bc92b6d86f4ab291deeaf0880d81d6e88006c285e8c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDB2 | 10908 bytes |
font_02_sfnt_off00011692.bin45371e1de48ec337d24fe8b1d675df5d66aca198c80898620e8bea4b3e2fb7ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11692 | 16688 bytes |
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