MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Static analysis revealed that the PDF acts as a link farm, with numerous URLs pointing to compromised WordPress sites and other domains. These links are likely used to distribute phishing content or further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7c0639ee90---98546640210.pdf In PDF document text
- https://www.kuwaitpolyurethane.com/ckfinder/userfiles/files/81773595099.pdfIn PDF document text
- http://signauction.net/userfiles/file/tuxotiv.pdfIn PDF document text
- https://djennebeads.com/nbloom/fckuploads/file/96652484190.pdfIn PDF document text
- https://deepex.hu/hirek/files/33982767787.pdfIn PDF document text
- https://texasbordervolunteers.org/userfiles/file/34703654763.pdfIn PDF document text
- https://mariellatriolo.it/public/file/dixixopapesoremupiwumune.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608701f0a3727---49267544447.pdfIn PDF document text
- http://nwmanagement.ru/generic/uploaded/file/lilusulasavavarugonalad.pdfIn PDF document text
- https://hamzsabegi60szallo.hu/UserFiles/File/89171166082.pdfIn PDF document text
- https://lufty.cz/UserFiles/files/74559881559.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/1584642028.pdfIn PDF document text
- http://xn--80aafjbaeihgganggf9ajkncugh2a.xn--p1ai/pict/file/giligabubipikakiga.pdfIn PDF document text
- http://copy2d.com/ftp/image/file/sekov.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/ii4kmmeqh5alr24so3431g5moh/43105576665.pdfIn PDF document text
- http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/0nnjoq5j07o2v2sek3kipqd8iq/gegebezome.pdfIn PDF document text
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/e748c14af04ea22ab29030af87947a3b/65054785950.pdfIn PDF document text
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088eec15add0---torinenuzub.pdfIn PDF document text
- http://www.reenactmentmarket.eu/images/wyswig_images/file/migudelum.pdfIn PDF document text
- http://www.samuitns.com/image/upload/File/lixanejiraxogurigik.pdfIn PDF document text
- http://roocenter.ru/upload/file/80910365977.pdfIn PDF document text
- https://recapress.com/ckfinder/userfiles/files/vukaketepumupipuzi.pdfIn PDF document text
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/0a47614148a3659c91e0c90f356288c1/44732509078.pdfIn PDF document text
- http://edwardnugent.com/userfiles/files/depetikiwowibimabawuk.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610dfce16dc21---19515678657.pdfIn PDF document text
- https://questyme.ca/userfiles/file/jisoborojabagav.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=sing+me+to+sleep+piano+sheet+pdfPDF 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_off0000dff5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFF5 | 17160 bytes |
SHA-256: a290c9918347d779e5bcc7d999e41c2cdb4c7a038ddee73f4fa8f3ac9219cf4d |
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font_01_sfnt_off00010c78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C78 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001248f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1248F | 10920 bytes |
SHA-256: 4353443c4190d9dbf8ce7a7ea2b4d2da18b05383327cf9f0ce3facd296daef23 |
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