MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' further supports this, indicating the document is designed to host and redirect to malicious content.
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 https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/e21bf51455e9d007c0cc3aeae31d083b/83944044231.pdf In PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/v2rorhk8u47btfibs9vu6tr23s/22975792967.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160f3a14a70d8f---19817105585.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa24cc66ea---9519252093.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160766a84b23bc---vefeletuxidoj.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c4e5479301a---gazofitetepisaruzi.pdfIn PDF document text
- http://sghscsjamarai.org/guruhargobind/userfiles/file/79995097219.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608ae26015a5c---xatos.pdfIn PDF document text
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/b24a45e8f0e0a35352131c8709430fbc/79070489723.pdfIn PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/jesatq10vs1jcgs8gcmuvljdpr/rukezujixolorumidatus.pdfIn PDF document text
- http://www.pibmg.com.br/ckfinder/userfiles/files/files/gefim.pdfIn PDF document text
- http://asesorgubernamental.com/images/file/mumewulinibovudetiberem.pdfIn PDF document text
- https://boumqueur-edition.com/upload/fckeditor/file/13145834741.pdfIn PDF document text
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/1ceqjqg0oq03s3phnvcs8rfpc7/51135022364.pdfIn PDF document text
- http://www.ks-klinika.ru/ckfinder/userfiles/files/7974662385.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160783fc5650ea---zidiwozanavijofixowekan.pdfIn PDF document text
- https://aadhaarretail.com/administrator/imagetemp/file/xirolonasivanusoji.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba425dd16ec---49673858626.pdfIn PDF document text
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ecfcf04d73---xaviju.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/8dksrm30k5e3jqdrf22k20dpeq/37323804015.pdfIn PDF document text
- http://zaun-produzent.de/userfiles/file/56334649965.pdfIn PDF document text
- https://keepingscore.org/userfiles/file/newavarafenuvuwini.pdfIn PDF document text
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b8be421725---19467178856.pdfIn PDF document text
- http://thienlongadv.com/upload/files/banofexemarosilivo.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/tinaguge.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=confidence+meaning+in+tamilPDF 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_off0000bd41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD41 | 17740 bytes |
SHA-256: 7b3289dba77b8cd294914722d1617efaced7086ab22f652aad259d6d95a6b6ae |
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font_01_sfnt_off0000ea4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA4C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010263.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10263 | 10580 bytes |
SHA-256: 6b9cd05fb98aaa043b62d74d6220503f9d3cf576271bda72bbc20275591a4f4a |
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