MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier with a high score, indicating malicious intent. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to obscure the ultimate destination. The primary attack pattern involves tricking users into clicking these links, likely leading to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://letsbelegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/16243392631.pdf In PDF document text
- http://abwingscolley.com/uploads/files/kuruxe.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/q51b80ia1fk7ngoovtq16qe74m/41544576106.pdfIn PDF document text
- http://virtuozi.ru/sites/all/sites/virtuozi.ru/files/pobidifenofi.pdfIn PDF document text
- http://31kouqiang.com/userfiles/file/1623499162.pdfIn PDF document text
- https://swagath.co/new/ckfinder/userfiles/files/dilubixof.pdfIn PDF document text
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/6d00631e405940702bca9e2eae9a24b2/zazax.pdfIn PDF document text
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/bj9n0lkc268cposuu7s9afv1m7/57165763900.pdfIn PDF document text
- http://www.nomorcantikjoss.com/file/tizuvitofemozewow.pdfIn PDF document text
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/tta1uc3ce7fdu750g1pdb1gfvn/4554014154.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/9848e6df2022614edd41e524b61936ea/8335268205.pdfIn PDF document text
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e9890a9680---32926036972.pdfIn PDF document text
- http://thegioituigiay.net/uploads/files/48979009861.pdfIn PDF document text
- http://riccaassociati.eu/userfiles/files/tejanumataxesa.pdfIn PDF document text
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094db3216990---tebewapa.pdfIn PDF document text
- http://nguyenthaotech.com/upload/files/98556973519.pdfIn PDF document text
- http://sankofalectureseries.com/clients/a/ae/ae3037074ff26ae8502dacd236f4ced8/File/71159520824.pdfIn PDF document text
- http://vasamo.org/pds/userfiles/files/datedidexode.pdfIn PDF document text
- https://presstone.hu/userfiles/file/gagiwetakamumulo.pdfIn PDF document text
- http://studiogiovannone.com/userfiles/files/19391629302.pdfIn PDF document text
- https://www.kcequipment.com.au/wp-content/plugins/super-forms/uploads/php/files/be03a455676ca058f5a4943ef5f24b9f/wakodewowexufaf.pdfIn PDF document text
- http://aviatechinform.ru/sadm_files/pobinekotafi.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606c81c6eae50---15203529619.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c064e561a42---loligatawuja.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f8ae92721ea---kuxuzagokar.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=hapvida+telefone+manausPDF 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_off00010d26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D26 | 19368 bytes |
SHA-256: 11e257796e0e6269bbff99058bbeb3d3d5b62649ad9fba231685577593f8a649 |
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font_01_sfnt_off00013cef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CEF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015506.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15506 | 10716 bytes |
SHA-256: 083d1c73fdab03fc282e73cd1581da6c66e0eb4f8f1efc00ac6cc49697698dc6 |
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