MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to external resources, some hosted on compromised WordPress sites. The presence of a 'download' button lure further suggests an attempt to trick users into downloading malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9813
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a8344fb8674---94259360574.pdf In PDF document text
- https://unique-u.biz/images/uploads/file/zenixozisikakinovof.pdfIn PDF document text
- https://brahmagnanam.org/fck_uploads/file/mitaju.pdfIn PDF document text
- http://palirna-frydek.cz/uploaded/file/rinizepijiraxuf.pdfIn PDF document text
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/42a37404b5b64271b61c6111c29dd233/59312238660.pdfIn PDF document text
- http://anapro.com/ckfinder/userfiles/files/davibik.pdfIn PDF document text
- https://digireg.es/upload/jaseza.pdfIn PDF document text
- http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/wijuvezu.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608246ae108bb---40628358635.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e099e34facf---24120336259.pdfIn PDF document text
- http://alnoorcity.com/userfiles/file/tiligobosafiwaxutati.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/epcp2bdhu5fup53vercao8ee93/53895253019.pdfIn PDF document text
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16085ed6d717e8---50118760783.pdfIn PDF document text
- https://almondzwealth.com/administrator/imagetemp/file/22644493115.pdfIn PDF document text
- https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/5412vj4509ioa8esqslhocs9j0/57165710785.pdfIn PDF document text
- http://straub-online.ch/userfiles/files/86789177348.pdfIn PDF document text
- http://mikllc.mn/uploads/files/bedon.pdfIn PDF document text
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/i6qhg2ns4ste12u660cs5bn8kv/45664450012.pdfIn PDF document text
- http://gayaarchi.com/userfiles/file/20210618195806.pdfIn PDF document text
- http://yizhu580.com/ckfinder/userfiles/files/jowiduxijijogirudu.pdfIn PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/9a4833e885cee17b246bb7b23eeda981/70912896570.pdfIn PDF document text
- http://hb1004.com/userData/board/file/19588792977.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1607fdfbbe54e2---vudidodebamizetupe.pdfIn PDF document text
- http://lltsg.com/uploadfile/file///2021060918304450.pdfIn PDF document text
- http://sisparts.pl/zdjecia/fck/file/34870500741.pdfIn PDF document text
- https://drddvichitra.com/userfiles/file/53922065529.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=download+crazy+craft+for+minecraft+pePDF 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_off0000dc7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC7B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f48d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF48D | 17780 bytes |
SHA-256: b756c57bef42ce69ad608c3141f5a802bbead13b8b0f342f821535e75703314a |
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font_02_sfnt_off0001232e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1232E | 10872 bytes |
SHA-256: 029eebc2b833638f0cb7a861656d55036fdf9ba82b9c9b11415e94b07239d84e |
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