MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm with numerous URLs pointing to compromised WordPress sites, likely serving as a lure for users. The presence of embedded JavaScript suggests potential for further malicious actions, such as downloading additional payloads or redirecting users to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://ketchas.ru/uplcv?utm_term=bosch+500+series+washer+manual PDF link annotation
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160719c0b7be36---84841573167.pdfIn PDF document text
- https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/ec44c8989814ddb5dd35810f0fb1287f/32306548961.pdfIn PDF document text
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609ff87122f5f---duwigufe.pdfIn PDF document text
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/817035be8c700e7fc67e912ca94fa451/tinagopiguxaribujo.pdfIn PDF document text
- http://www.multigacos.com/admin/uploaded/fck/file/83230420307.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/i3iq1mkck7ac0q9agntavoi96i/zegirefoka.pdfIn PDF document text
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/f8321a95859ae0eb099879119409b4ac/16590621386.pdfIn PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c8a5e17f43a---vifobawatuzaroruv.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a8de7daa22---bokofebirunisonetugu.pdfIn PDF document text
- http://sincaremedicaltour.com/js/upload/75149586723.pdfIn PDF document text
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/8n9omkeumu4ch49u0l4mbb6f5r/70834440682.pdfIn PDF document text
- http://emilygrilltogo.com/uploads/files/41943895024.pdfIn PDF document text
- http://www.malagatour.es/ckfinder/userfiles/files/98560337897.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b0967c3cd24---surubatagi.pdfIn PDF document text
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/s3q7b82bngvpl9c5teb8sot8lv/71034852674.pdfIn PDF document text
- http://kozszemle.hu/uploads/files/75360959371.pdfIn PDF document text
- http://kompletucetnictvi.cz/files/file/63361651762.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afa25f6d0d0---sozumaxegovozesuzif.pdfIn PDF document text
- https://advance-pack.com/editor_upload/file/dugudufonelademikalusibaw.pdfIn PDF document text
- http://letsbelegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sezixepex.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fcd27ccfe2---rusijukogekam.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/a93f24977658d7213e9a3f0ee1d7589a/96455712729.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/16084c93f80422---jonowatuvifeduvenunasuje.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607322f6a8598---92790863330.pdfIn PDF document text
- http://boissee.fr/userfiles/file/nuxaxikufasaruzuwiwo.pdfIn PDF document text
- http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/xivedir.pdfIn PDF document text
- 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_off0000f521.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF521 | 17332 bytes |
SHA-256: f97cc69a064da90e0982da4b85b779c5cc8db6972ff3465c2c6fd547d2c4156c |
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font_01_sfnt_off000121fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121FE | 10892 bytes |
SHA-256: 5c991a8f2e94daaa56d865760fba7d0c1dc891a3d34111e4d97887fe5207f46b |
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font_02_sfnt_off00013b22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B22 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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